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chore: setup folders for aoc 2024
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xuu
2024-10-26 11:38:38 -06:00
parent 50af2114d4
commit 3c9af95ec4
92 changed files with 72 additions and 1 deletions
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4
aoc2023/day01/example1.txt Normal file
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1abc2
pqr3stu8vwx
a1b2c3d4e5f
treb7uchet

7
aoc2023/day01/example2.txt Normal file
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two1nine
eightwothree
abcone2threexyz
xtwone3four
4nineeightseven2
zoneight234
7pqrstsixteen

1000
aoc2023/day01/input.txt Normal file
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102
aoc2023/day01/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
)
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
sum int
sum2 int
}
func (r result) String() string {
return fmt.Sprintln("result pt1:", r.sum, "\nresult pt2:", r.sum2)
}
var numbers = []string{"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"}
func run(scan *bufio.Scanner) (*result, error) {
result := &result{}
for scan.Scan() {
var first, last int
var first2, last2 int
text := scan.Text()
slice := make([]rune, 5)
for i := range text {
copy(slice, []rune(text[i:]))
switch {
case slice[0] >= '0' && slice[0] <= '9':
if first == 0 {
first = int(slice[0] - '0')
}
if first2 == 0 {
first2 = int(slice[0] - '0')
}
default:
if first2 != 0 {
continue
}
for i, s := range numbers {
if strings.HasPrefix(string(slice), s) {
first2 = i
break
}
}
}
if first != 0 && first2 != 0 {
break
}
}
text = string(aoc.Reverse([]rune(text)))
for i := range text {
copy(slice, []rune(text[i:]))
slice = aoc.Reverse(slice)
switch {
case slice[4] >= '0' && slice[4] <= '9':
if last == 0 {
last = int(slice[4] - '0')
}
if last2 == 0 {
last2 = int(slice[4] - '0')
}
default:
if last2 != 0 {
continue
}
for i, s := range numbers {
if strings.HasSuffix(string(slice), s) {
last2 = i
break
}
}
}
if last != 0 && last2 != 0 {
break
}
}
result.sum += first*10 + last
result.sum2 += first2*10 + last2
}
if err := scan.Err(); err != nil {
return nil, err
}
return result, nil
}

53
aoc2023/day01/main_test.go Normal file
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package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example1.txt
var example1 []byte
//go:embed example2.txt
var example2 []byte
//go:embed input.txt
var input []byte
func TestExample1(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example1))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.sum, 142)
}
func TestExample2(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example2))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.sum2, 281)
}
func TestInput(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.sum, 54573)
is.Equal(result.sum2, 54591)
}

5
aoc2023/day02/example.txt Normal file
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green

100
aoc2023/day02/input.txt Normal file
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Game 1: 1 green, 6 red, 4 blue; 2 blue, 6 green, 7 red; 3 red, 4 blue, 6 green; 3 green; 3 blue, 2 green, 1 red
Game 2: 2 blue, 4 red, 7 green; 17 red, 3 blue, 2 green; 3 green, 14 red, 1 blue
Game 3: 12 blue, 3 red, 1 green; 8 blue, 9 red; 1 blue, 1 green, 9 red; 4 blue, 1 green, 9 red
Game 4: 2 red, 10 green, 5 blue; 11 blue, 4 green; 6 green, 7 blue, 2 red; 4 blue, 9 green; 6 green, 1 red, 5 blue
Game 5: 10 green, 5 blue, 5 red; 10 blue, 13 green; 2 red, 12 blue; 9 green, 9 red
Game 6: 2 red, 3 green; 1 blue, 15 red, 2 green; 1 green, 7 red
Game 7: 16 blue, 4 green, 9 red; 6 red, 2 blue, 12 green; 2 red, 5 green, 14 blue; 11 blue, 13 red; 10 blue, 3 red, 17 green; 1 green, 12 blue
Game 8: 14 red, 12 green, 1 blue; 5 blue, 7 green, 12 red; 8 green, 1 red, 8 blue; 8 blue, 2 green, 15 red; 9 blue, 12 red, 10 green; 4 blue, 15 red, 1 green
Game 9: 2 red, 7 green, 5 blue; 1 red, 5 blue, 13 green; 5 blue
Game 10: 4 red, 1 green, 4 blue; 7 green, 8 blue, 4 red; 9 green, 3 red, 8 blue; 5 red, 2 green, 7 blue
Game 11: 4 green, 1 blue, 1 red; 3 green, 3 red, 1 blue; 3 green, 1 red, 1 blue
Game 12: 7 red, 6 green, 12 blue; 6 blue, 8 green, 3 red; 12 green, 5 blue, 4 red; 3 red, 16 blue, 8 green; 12 red, 11 green, 6 blue
Game 13: 2 green, 5 red, 12 blue; 8 green, 12 red, 4 blue; 6 blue, 7 green, 13 red
Game 14: 1 blue, 7 green, 5 red; 1 blue, 8 green, 6 red; 3 green, 1 blue, 4 red
Game 15: 11 red, 8 blue, 1 green; 11 red, 1 green; 3 green, 8 red, 2 blue; 4 blue, 11 red, 1 green; 5 blue, 5 red, 2 green
Game 16: 18 green, 4 blue, 2 red; 5 blue, 11 green, 10 red; 8 red, 2 blue, 14 green; 8 red, 7 blue, 1 green; 3 red, 5 blue, 17 green; 6 blue, 5 green, 11 red
Game 17: 3 blue, 3 red, 7 green; 4 blue, 1 red, 2 green; 5 blue, 3 green, 3 red
Game 18: 2 blue, 2 red, 1 green; 4 blue, 2 red, 7 green; 10 blue, 4 red, 3 green; 5 blue, 3 red, 2 green; 4 green, 3 red, 4 blue; 3 green, 5 red, 5 blue
Game 19: 2 red, 1 green, 1 blue; 8 red, 8 blue, 10 green; 16 green, 5 blue, 2 red; 4 red, 9 green
Game 20: 12 red, 1 blue, 1 green; 4 blue, 2 green, 2 red; 3 blue; 5 red, 8 green; 14 red, 4 blue, 6 green
Game 21: 9 red, 7 green, 1 blue; 5 green, 17 red, 11 blue; 14 red, 7 blue, 10 green; 7 green, 7 red, 10 blue; 6 blue, 6 green, 17 red; 16 red, 13 green, 7 blue
Game 22: 4 blue, 1 red; 1 green, 8 blue; 1 green; 6 blue, 1 red
Game 23: 13 red, 7 blue, 1 green; 4 green, 2 blue, 7 red; 4 green, 10 blue, 12 red
Game 24: 9 green, 10 blue; 2 blue, 4 green, 4 red; 9 green, 1 red, 9 blue; 4 green, 5 red, 12 blue
Game 25: 4 red, 1 green; 10 green, 6 red, 4 blue; 4 red, 1 blue, 7 green; 10 green, 3 red, 7 blue
Game 26: 8 red, 1 green, 2 blue; 5 green, 5 red; 6 green, 19 red; 11 red, 2 blue, 8 green; 13 red, 2 blue, 5 green; 15 red, 2 blue, 10 green
Game 27: 17 blue, 1 green; 2 red, 12 blue, 11 green; 16 green, 16 blue; 18 green, 4 blue; 10 blue, 1 red, 8 green
Game 28: 5 red, 1 green, 1 blue; 3 blue, 8 green, 4 red; 6 green, 2 red, 2 blue
Game 29: 3 green, 12 red, 11 blue; 2 green, 15 red, 8 blue; 13 red, 4 green; 17 red, 9 blue, 5 green
Game 30: 10 green; 4 blue, 1 green; 2 blue, 2 red, 7 green; 5 green, 4 blue, 1 red; 4 red, 10 green, 1 blue
Game 31: 15 blue, 2 red; 17 blue, 2 green; 19 blue, 6 red
Game 32: 1 green, 7 red; 8 red, 1 blue; 5 red, 1 blue, 11 green; 3 blue, 17 red
Game 33: 11 red, 9 green, 1 blue; 3 green, 8 blue; 10 red, 4 green, 8 blue; 6 red, 9 blue, 17 green; 15 green, 10 red, 4 blue; 1 red, 2 blue, 7 green
Game 34: 13 red, 6 green; 6 red, 14 green, 2 blue; 3 red, 19 green; 9 green, 9 red
Game 35: 7 green, 3 red; 12 green, 7 blue; 13 green, 7 red, 6 blue; 3 blue, 12 red
Game 36: 6 blue, 11 green, 14 red; 3 blue, 12 green, 4 red; 18 red, 1 blue; 7 red, 9 green, 6 blue
Game 37: 3 red, 16 blue, 6 green; 2 green, 7 blue; 8 blue, 3 red
Game 38: 16 blue, 3 green, 14 red; 8 red, 15 blue; 17 red, 15 blue, 4 green; 1 green, 11 blue, 17 red; 3 green, 10 blue, 17 red
Game 39: 1 green, 2 red, 5 blue; 12 blue, 12 green; 3 blue, 1 red
Game 40: 1 red, 2 blue, 1 green; 7 green, 1 red, 6 blue; 8 blue, 1 red, 6 green; 12 blue, 1 red, 3 green; 4 green, 8 blue
Game 41: 2 red, 2 blue, 5 green; 5 red, 8 blue; 4 green, 4 blue; 1 red, 11 blue
Game 42: 1 red, 3 green, 13 blue; 13 blue, 7 green; 13 green; 1 red, 3 blue, 4 green; 13 blue, 7 green
Game 43: 3 red, 4 green; 7 red, 11 blue, 3 green; 3 green, 12 red, 7 blue; 9 blue, 5 green
Game 44: 4 blue, 9 red, 2 green; 10 blue, 5 red, 2 green; 9 red, 9 blue, 1 green; 8 blue, 2 green, 14 red; 3 blue, 3 green, 6 red; 4 blue, 3 green, 14 red
Game 45: 1 red, 2 green, 2 blue; 2 green, 1 red; 1 green, 2 blue; 1 green, 1 red, 2 blue; 2 red, 2 blue, 1 green
Game 46: 1 green, 3 red, 3 blue; 6 green, 2 blue, 4 red; 1 green, 3 blue, 1 red; 3 green, 1 blue, 5 red; 6 green; 1 red, 1 green, 2 blue
Game 47: 18 green, 1 red, 7 blue; 6 blue, 19 green, 1 red; 5 blue, 7 green, 1 red; 1 red, 5 blue, 16 green; 15 green, 3 blue
Game 48: 4 green, 8 blue, 8 red; 13 green, 5 red, 12 blue; 9 red, 6 blue, 10 green; 18 green, 3 blue, 4 red; 2 blue, 9 red, 8 green
Game 49: 9 blue, 5 red, 9 green; 5 blue, 11 green, 5 red; 12 green, 6 blue
Game 50: 13 red, 8 green, 3 blue; 2 red, 11 green, 3 blue; 16 red, 7 green; 3 blue, 11 green, 15 red; 10 red, 2 blue, 5 green; 7 green, 2 blue, 4 red
Game 51: 2 red, 1 green, 3 blue; 2 green, 11 red, 17 blue; 2 red, 3 green, 6 blue; 4 red, 3 green, 6 blue; 13 red, 12 blue
Game 52: 1 blue, 5 green; 20 green, 6 blue; 9 blue, 6 green; 11 green, 1 red; 1 green, 1 red, 1 blue
Game 53: 8 red, 6 blue; 6 blue, 6 red, 2 green; 5 blue, 2 green, 3 red; 3 green, 3 blue; 4 green, 5 red, 1 blue
Game 54: 4 blue, 1 red, 3 green; 4 green, 10 blue, 9 red; 7 red, 3 blue, 3 green; 9 green, 9 red, 1 blue; 9 blue, 6 red, 7 green; 6 blue, 7 green, 9 red
Game 55: 15 red, 1 blue, 6 green; 11 blue, 3 red; 9 blue, 3 red, 1 green
Game 56: 8 green, 8 red, 9 blue; 8 red, 8 green, 1 blue; 7 red, 10 green, 4 blue; 10 blue, 2 green, 9 red
Game 57: 10 red, 3 green, 2 blue; 1 red, 4 green; 7 red, 1 green, 3 blue; 12 red, 4 blue; 14 red, 5 green, 4 blue
Game 58: 8 green, 3 blue, 7 red; 7 red, 14 blue, 5 green; 3 green, 7 red; 16 blue, 15 green; 1 red, 10 blue
Game 59: 3 red, 13 green, 2 blue; 10 blue, 3 green, 6 red; 3 green, 2 blue; 7 green, 2 blue, 7 red; 17 green, 6 blue, 15 red
Game 60: 2 blue, 2 red, 6 green; 11 green, 1 blue, 2 red; 1 blue, 9 green; 1 red, 4 green, 2 blue; 1 red, 2 blue, 10 green
Game 61: 3 red, 12 blue, 1 green; 3 red, 1 green, 18 blue; 5 blue, 2 red
Game 62: 4 red, 3 blue, 8 green; 2 blue, 8 red, 9 green; 8 blue, 15 green, 1 red
Game 63: 14 green, 2 red, 1 blue; 7 green, 11 blue, 1 red; 7 blue, 3 red; 4 green, 10 blue, 3 red
Game 64: 8 blue, 18 green, 2 red; 3 red, 17 green; 7 green, 1 red, 12 blue; 15 green, 2 red, 4 blue; 7 green, 8 red, 13 blue
Game 65: 6 blue, 5 green, 2 red; 1 red, 4 green; 5 green, 1 blue; 6 blue, 3 red, 2 green; 4 blue, 5 green
Game 66: 11 red, 9 blue, 4 green; 8 red, 8 blue; 9 red, 7 blue; 1 blue, 12 green, 4 red; 2 red, 11 blue, 10 green
Game 67: 1 red, 4 blue, 1 green; 7 red, 1 blue; 3 green, 4 blue, 6 red; 6 green, 3 blue, 14 red; 11 red, 1 blue, 1 green; 4 green, 8 red
Game 68: 3 red, 1 green, 2 blue; 1 red, 9 blue; 2 red, 1 green
Game 69: 3 green, 2 blue, 2 red; 1 red, 6 green; 13 red, 2 blue, 4 green; 4 blue, 13 red, 6 green; 12 red, 2 blue
Game 70: 15 blue, 2 green, 7 red; 3 red, 14 blue; 6 blue, 1 green; 1 red, 2 green, 4 blue; 2 green, 13 red; 12 blue, 3 red
Game 71: 7 red, 3 blue; 1 red, 4 blue; 2 red, 5 green, 1 blue; 6 blue, 8 red, 1 green; 3 green, 7 blue, 8 red
Game 72: 7 green; 4 green, 2 red, 8 blue; 1 blue, 5 green
Game 73: 5 red, 5 green, 2 blue; 8 red, 1 blue, 8 green; 1 red, 3 blue, 7 green
Game 74: 17 green, 9 blue, 4 red; 20 green, 2 red, 7 blue; 7 blue, 2 green, 4 red; 2 blue, 5 red, 20 green; 1 blue, 1 red, 12 green; 19 green, 9 blue, 3 red
Game 75: 1 red, 8 green, 9 blue; 7 blue, 3 green, 1 red; 2 green, 1 red, 9 blue; 5 blue, 1 red, 8 green; 2 green, 1 red, 11 blue; 5 green, 1 red
Game 76: 3 blue, 16 green, 2 red; 10 green, 3 blue, 1 red; 6 blue, 14 red, 13 green; 7 red, 2 green, 13 blue
Game 77: 7 red, 14 green; 1 blue, 1 red; 4 red, 1 green; 7 green, 11 red
Game 78: 1 red, 19 green; 10 green, 14 red, 1 blue; 3 green, 3 blue, 11 red; 7 blue, 1 green; 15 red, 3 green, 4 blue
Game 79: 7 red, 7 green, 6 blue; 3 red, 7 green, 5 blue; 7 red, 8 green, 12 blue
Game 80: 15 red, 6 blue; 1 red, 5 green, 2 blue; 1 green, 3 blue
Game 81: 3 red, 7 blue, 7 green; 7 green, 2 blue, 4 red; 3 green, 5 blue; 9 blue, 3 red, 6 green; 6 green, 1 red, 3 blue; 8 blue, 2 green, 1 red
Game 82: 5 red, 13 green; 3 blue, 13 green; 6 blue, 4 red, 10 green; 5 red, 1 green, 4 blue; 1 blue, 8 red; 4 red, 5 green
Game 83: 17 red, 1 blue, 2 green; 3 green, 3 red, 2 blue; 1 red, 5 blue, 10 green; 4 blue, 9 red, 11 green
Game 84: 13 green, 14 red, 12 blue; 14 blue, 2 red, 1 green; 4 blue, 8 red
Game 85: 3 red, 1 blue; 6 red, 3 blue, 2 green; 5 green, 3 blue, 3 red; 3 green, 5 blue, 1 red; 1 blue, 12 red, 2 green
Game 86: 16 blue, 17 green, 7 red; 14 blue, 13 green; 18 blue, 8 green
Game 87: 1 blue, 1 red; 4 blue, 1 green, 4 red; 1 green, 16 red; 1 green, 12 red, 1 blue
Game 88: 1 red, 6 green; 3 red, 2 blue, 19 green; 11 green, 2 red; 5 blue, 5 green; 5 blue, 9 green, 1 red; 2 blue, 2 red, 4 green
Game 89: 4 green, 11 red; 8 blue, 14 red; 14 blue, 8 green, 9 red; 14 green, 15 red, 10 blue
Game 90: 8 green, 2 red, 1 blue; 11 green, 4 blue, 2 red; 7 green, 2 blue; 13 green, 1 red
Game 91: 1 blue, 3 green; 1 blue; 4 green, 1 blue, 1 red; 1 blue, 2 red; 1 green, 2 red; 2 red, 5 green, 2 blue
Game 92: 16 red, 4 green, 5 blue; 9 blue, 13 green, 5 red; 13 red, 11 green, 7 blue; 11 red, 8 green, 2 blue
Game 93: 4 blue, 3 red, 3 green; 4 blue, 2 red, 1 green; 1 green, 2 red, 2 blue; 1 green, 2 red, 2 blue; 4 green, 1 blue
Game 94: 8 blue, 11 red, 7 green; 8 red, 6 green; 15 blue, 11 green, 2 red; 9 green, 6 red; 16 blue, 5 red, 7 green
Game 95: 13 blue, 1 red, 10 green; 11 green, 9 blue; 6 blue
Game 96: 1 green, 6 red; 1 red; 12 red, 1 green; 6 red, 1 blue
Game 97: 1 red, 9 blue, 8 green; 2 green, 6 blue, 1 red; 6 green, 1 blue
Game 98: 9 blue, 7 green, 8 red; 6 red, 11 blue, 4 green; 11 green, 9 blue, 15 red; 11 red, 6 blue, 16 green
Game 99: 2 blue, 1 red, 9 green; 8 red, 1 blue, 1 green; 2 red, 7 green, 8 blue; 1 red, 5 green, 7 blue; 7 blue, 10 green, 9 red; 1 green, 1 blue, 1 red
Game 100: 3 blue, 6 red, 9 green; 4 red, 3 green; 4 green, 16 red, 1 blue; 14 blue, 1 green

118
aoc2023/day02/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"os"
"strconv"
"strings"
aoc "go.sour.is/advent-of-code"
)
func main() {
result, err := aoc.Runner(run)
if err != nil {
aoc.Log("ERR", err)
os.Exit(1)
}
aoc.Log(result)
}
type result struct {
sum int
powerSum int
}
func (r result) String() string {
return fmt.Sprintln("result pt1:", r.sum, "\nresult pt2:", r.powerSum)
}
type gameResult struct {
red, green, blue int
}
func run(scan *bufio.Scanner) (*result, error) {
// only 12 red cubes, 13 green cubes, and 14 blue cubes
maxCounts := gameResult{
red: 12,
green: 13,
blue: 14,
}
games := [][]gameResult{}
games = append(games, []gameResult{})
for scan.Scan() {
pfx, text, ok := strings.Cut(scan.Text(), ":")
if !ok || !strings.HasPrefix(pfx, "Game") {
continue
}
rounds := aoc.SliceMap(func(text string) gameResult {
round := gameResult{}
for _, result := range strings.Split(text, ",") {
ns, color, _ := strings.Cut(strings.TrimSpace(result), " ")
n, err := strconv.Atoi(ns)
if err != nil {
panic(err)
}
switch color {
case "red":
round.red = n
case "green":
round.green = n
case "blue":
round.blue = n
}
}
return round
}, strings.Split(text, ";")...)
games = append(games, rounds)
}
aoc.Log(games)
aoc.Log(len(games))
sum := 0
powerSum := 0
for i, game := range games {
if i == 0 {
continue
}
mins := gameResult{}
ok := true
for _, round := range game {
mins.red = max(mins.red, round.red)
mins.green = max(mins.green, round.green)
mins.blue = max(mins.blue, round.blue)
if maxCounts.red < round.red {
aoc.Log("game", i, round, "too many red", round.red)
ok = false
} else if maxCounts.blue < round.blue {
aoc.Log("game", i, round, "too many blue", round.blue)
ok = false
} else if maxCounts.green < round.green {
aoc.Log("game", i, round, "too many green", round.green)
ok = false
}
aoc.Log("game", i, round, ok)
}
if ok {
sum += i
aoc.Log("game", i, "passes", sum)
}
power := mins.red * mins.blue * mins.green
aoc.Log("game", i, "mins", mins, power)
powerSum += power
}
return &result{sum, powerSum}, nil
}

41
aoc2023/day02/main_test.go Normal file
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package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.sum, 8)
is.Equal(result.powerSum, 2286)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.sum, 2317)
is.Equal(result.powerSum, 74804)
}

10
aoc2023/day03/example.txt Normal file
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467..114..
...*......
..35..633.
......#...
617*......
.....+.58.
..592.....
......755.
...$.*....
.664.598..

140
aoc2023/day03/input.txt Normal file
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...........................775.651...............887....79...946...921...493.....942..942.....151....155....................................
......240...................*.....-......................$..*...................*.......%.....+....................956.549.*290.......834...
.485...+............437......906......%..608.805.725..72.....242....745..61......440................................*..*.........515...*....
..........917.......&....146........790.....*......*....*..........*.....*...............207*......................796..116......../...924..
722...323.-................./...410.............72..748.442............384.708...............849..%............................470..........
.....*..........................*.....271..691....-...............4*...........388.................448......&........*....848&......751.....
....370..$....639.748.......*...467....*.....*........921*909.....................*...32.....................165..452.30....................
........984....*.....*...782........711.....50.172...............61&..........415.803.*.........524.......................203.......106*643.
...............57..433.........390....................&../.............*122...........674.........*.........................................
379..................../.........*........908..477...305.876..*..............297.415*......+.......94........../.....@378.......226..56*....
...*..-......82.......167...936.17..958...=....*...............196......+......*.......-...380.992.............989.........29......*....301.
..124..317.....*....................*..........839.......................191.882......231.........+......976.................+......469.....
............643................*........778............541........655..............*............*........./............*.................515
.....&............498#...&....726.774..............111....*378..................723.221.......473............752....523.638.......789...*...
.....353................518..........-.........../....*...............*88.........................*..@280..=..-....................-..297...
...........279...........................*816.....286.975.&319.....614......694.......799.......503.......861...569.............+...........
..474........*.228..............308......................................................*............207........................838..408...
...........226./....*................82.........................268/......814.........640.............../..489........719..=..........*.....
....83............88.544....250.......=...87..............199.........115*....................................*...377.@.....643........658..
........-...651.............*................&..............................*379.....411...686.397............202.*....../........217.......
.....781.......*897......630................330.....117.961..........61..543.....#...*.....*.......323.............996.603.......*..........
.......................................................*........473....*.....739.184.511..........+......43.833.................953...@.....
....110......@471...........*464....@.347......779................/.....205.*.......................681.....@.........................694...
.........................203......158.-....310./...449...726*982.............437.....+....259...................185......940*702............
.....465....*.......747....................*..........*...............................238..&......./..963...755....*........................
.....*....687..104..%.........645........959..497..732........988........733.....12...........417.176....$..........176.323....657..........
...566........*...........938*......418......*............925....*28..............-.156........*................................*..#........
.............933.......................*....988........../............................*........813.................868*674...375...839......
.....................804.......464..452...................................47......324.789..........692*288..................................
...959...........792....*10.....=......................*455.77...827.99....*.........................................166.......8...586......
.....*...607......*..............................12.764......*.......*..905....590.236...#.677...823......972..204............*......*......
..661....*........776....938..901.............@.*.........$...216...995...........*....382..*....#....546*.....#...........564........707...
......755................*.......*698......315..291.......964................-.......=.....865........................521........150........
........................323............./............973.........*35..........318.....204...........546..+667....214%..*..............973...
........143......&725...........619....149..............*235..650.........604..........................*..............195..............*....
................................*.................................926...................@240......+...433..302..672.........977....149..335.
.......880.......&...............301.512.$.....876......331.897...#..............#...............464......+...........938.........*.........
......@....942...603....&....879..........117..........*.....*.............562..905....377*862..............*56.........%........352..*165..
.726......*..........239....*.....915..............@...661...905..............*...................466....223.................730............
....*......97..839.......308.........*....115....512..........................497.392.....563........=...............448...........462*884..
....122.........*...471*...........52...&..=...................=..................@.........*...............................531.............
.........*..522...&.....274...........116......*572...........907..........................161..670@..@....................=........57*.....
.........28.*.....606.......................925...............................908...86...............78..............712.....813*......16...
....549.....512....................................825.....797.......224..660*........@.425*656.........=536..256.......*........599........
...*.............963..................842..704.............+....425..*..............................102.......$....565.179..774/........576.
...................*..........................*..............=...*....922........50...262....%............603......*........................
.......636.......349...&...224...$............899.........983..319.............#........&...663....*575..%.......95.....383*................
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............................179.......68......................&....*.................787.............92&.72....455..969...........846..40...
.993=..../..........110.407*...........%.............164..#....306.215...................552..............*....=...#.....69.602...#...*.....
......322..........#...........561..............968..*....913............%..........@586...=.330...........166.............*........863.....
............810...........157.*....557.....30.*.....774...................968.601*...........*....491..........557.....83*..................
.......*368.*.......842...*...435.-...........65.-................................680.....913....#.......793....*.........87.262....34.-....
....896......875.....*...........................581.957..758............$................................@..981..............#......*.844..
..................957...150.......503................@....*......89....59......261..........653....................................372......
...731...-129..+........*........-......................718.713....*.......197..*......30......+...476............872.......................
....*...........671....917.......................800.&......=....197..763....*...96......#.........*......%......*..........739......290....
.....234..............................814*251....../.755.............../...375.....................309.914..816...877..=.......$......$.....
.........543.378.....74.%608.25...755..........237..............834..................431..................../..........585..................
....408...&...*..............*................*.............214*.....................*.........89.475*.......................@..939..824....
...*..........526..........713..&.....132...899..108.75..#..................521....428....97../.......603.....248.........878...&...*.......
....383...............873......1....................*....850....862....%......#.=................533.........*.......................863....
.............852.........*................578%....................*..492.........905.145.927........*........437.107.....@....29............
......604.......#./531.179..&........56.........921..233.......943......................*..........174...........*.......271.*...32.........
........*..619.............588......*............*...*..............918*837.....120.128......508...........536...............558...*638.....
523....794...-....................451..544....648..365.778.....@.............@.....*............$..%414...*............453#.................
..................&......124*...........*...............*...259........696...424...........*...............322..534................*519.....
........201*.30...474........567.526..363............%.963......287+......*.........939.964.....994.............*.....-........287.......657
........................709*......=.........854...527................50..591...859....%..........*....196.......188..395..157...*...........
.281*....878................354.......*221...*............308....309...*.........$..@...72#......577.........................*...734.....481
.....9....*.............658........235......767..12..548...=...#.......585..830....609........................603.130.....884...........*...
........324........@...*........................*....*........628.............................................*...$...........=......658....
..................139.206....$.....768*........986....311..........967...15...174....100-.....7$..............962....=.........561..........
......521.....154.............318......622...................-.............%...@.................856.......60.........24..481.......520.772.
.825..#.......*.............................180.............228.11.....173.......128......428.........405.+...68...........=..882......*....
....*.......657...........27....798*460...................@............-..............31.*.....840...........*................@.............
.965...931............974...*...........................798.................455*.........856......*...809...97..934.740$..570...............
........*..511.$427....../..652..-297............296........$........552..........884..................*........%........*........128.......
..........-..........207............................=....641.........+..........-..*....43..........329................990...........*......
.10...................=..11....&............................./.143........875..732....&.......&............................349.....265...858
...*......222....495%...*...618..322.......%.........116...833....*........*.........776....288....760.........-............-...............
....291......*..........453.........*...811...398..............515........365..445....................*.....961.........433......743...$....
.............33..................543.........@..........................=...../.....793*...........266..............668...........#.....804.
................701....................17*.................449*741.....961......814..........................*245......*...809*.............
.......206......*....668..728$............529..........*93........................-...833.713..............69.......292........157...224*...
..........*585...969............810..522............866..............254.....570........*....*.....588..................+113.......-.....752
................................/......../......257.............119...-..844...*..979..442....169.....=.259......+.............752..401.....
...726...967........&.234.................326.....*....590*636...*............130.../.........................933.....652*439...*...........
.....*......*12..332...-...........500#..........944..............747.......$.....................203....513.......................%864.....
....389.&....................*...............938.......893....970.........864........538.755&.258..*........#...............717.96......+...
.65.....180...&.............864.....169.........*................*...390............*.........*....904.........................*...354...478
....620......472.726.931...............*.......150../.......@....960....................*928.812...........................428......*.......
...*................*.................463..........323.....478..........964..........175.........324%........=827......66.......193..303....
313.......................@...705.214.....174&........................-.....271........................818...............*.........+........
........171+..830...328..158...*..%..................17....721.....568......../...........949.............*.............608.....90......570.
....327..........*....*.......44......................*..................193-.......67.................970......966.503................#....
669*..........386..306....+............105............443...........................*........490..130...........*....$..........$62.........
......454...............&..954...38....*..........229....................643......388.671....@.......*...8......506....66*148.........$.....
......*................259.........*.................*756.......596.........*........................638..+....................%....854.....
...700......895..............................757................*.........847..............630*612..................854..606....38..........
...............*.....93.....573......274........*...952..336...................562..................+...637............*.*..................
945........../.814..=..........*....*...........38..=............-....&........*..................118......*.........745..855.........367...
......676..688..................604..153...............671......513...690....891.%.....101.728..........767......28...................../...
.........=.......700..222.443............114.....................................458...../....#...................*.........=...............
...........660.%...&.....*.....98.232.......*............308.......650..267/..........$............................417.....806.....502......
.......276*....500............@.............63.......621*.....520...-........913.....225.........620.597...709*632.............663*.........
...................232...149............65.......................&........................228.....%.....-................467............800.
..........118........+....*....@.........-.458...737.....-247.........425................/..................574......424*.........421..*....
......158.-....*........564.599......128......*...#..........................419.............764*156.............................*......996.
............577.563.....................*...777.......................508..............*827............................*465.....306.........
.........................*..............848......996*......688....154...*.......%...780......51...410......357.148..856.....................
...648.............835.713....*...609.......................&........*..885....494..........*..........661....*.............................
...-.....477./693..*........938.....*./...........642..149......465.502......$............=.523.........#.......892................=824.....
....................296...........44...707..........+.....*...................462......476........@...............*..........388............
.....58...321..............127................................446...............................965....446........114.........*.............
.........*........951...3....*.................623.263.............=.-....122..........................=....519*...........692.......%313...
........943.......*......$....990.......795..../......*..135.....815.483....*..937*.............................634..............771........
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..........*.........799........*.........629.......634........%.188.103.......594......464.799*295.............895...930.........-....$.....
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.............*..984.......*........722............496*..........*990....79......715........*............456...................812..470......
............518......@.....950.........712..............981...........................238....579.533........373.466...615/......$.....*907..
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.........$....743..../.......-................+........................*990..................343......#.....*...............*....684........
......651.....................644....................887.812........187.................783........749...928.291...........131...........293

128
aoc2023/day03/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"strconv"
aoc "go.sour.is/advent-of-code"
)
func main() { aoc.MustResult(aoc.Runner(run)) }
type partNumber struct {
number int
row int
col int
end int
hasSymbol bool
}
type symbol struct {
symbol rune
row int
col int
adjacentParts []*partNumber
}
type symbolTab map[int]map[int]*symbol
func (tab symbolTab) hasSymbol(row, col int, p partNumber) bool {
if cols, ok := tab[row]; ok {
s, ok := cols[col]
if ok {
s.adjacentParts = append(s.adjacentParts, &p)
cols[col] = s
}
return ok
}
return false
}
func (tab symbolTab) scanSymbol(p partNumber) bool {
rowStart, rowEnd := max(p.row-1, 0), p.row+1
colStart, colEnd := max(p.col-1, 0), p.end+1
for i := rowStart; i <= rowEnd; i++ {
for j := colStart; j <= colEnd; j++ {
ok := tab.hasSymbol(i, j, p)
if ok {
return true
}
}
}
return false
}
// 553079
// 84363105
type result struct {
valuePT1 int
valuePT2 int
}
func run(scan *bufio.Scanner) (*result, error) {
parts := []partNumber{}
symbols := make(symbolTab)
symbolList := []*symbol{}
row := 0
for scan.Scan() {
text := scan.Text()
row += 1
slice := make([]rune, 0, 3)
var col int
for i, a := range text {
col = i
if a >= '0' && a <= '9' {
slice = append(slice, a)
continue
}
if v, err := strconv.Atoi(string(slice)); err == nil {
parts = append(parts, partNumber{number: v, row: row, col: col - len(slice), end: col - 1})
slice = slice[:0]
}
if a != '.' {
cols, ok := symbols[row]
if !ok {
cols = make(map[int]*symbol)
}
s := &symbol{row: row, col: col, symbol: a}
cols[col] = s
symbols[row] = cols
symbolList = append(symbolList, s)
}
}
if v, err := strconv.Atoi(string(slice)); err == nil {
parts = append(parts, partNumber{number: v, row: row, col: col - len(slice), end: col - 1})
slice = slice[:0]
_ = slice
}
}
sum := aoc.SumIFunc(
func(i int, p partNumber) int {
ok := symbols.scanSymbol(p)
parts[i].hasSymbol = ok
if ok {
return p.number
}
return 0
}, parts...)
sumGears := aoc.SumFunc(
func(s *symbol) int {
if s.symbol == '*' && len(s.adjacentParts) == 2 {
return s.adjacentParts[0].number * s.adjacentParts[1].number
}
return 0
}, symbolList...)
// fmt.Println(parts)
// fmt.Println(symbols)
// fmt.Println(symbolList)
fmt.Println("part1:", sum)
fmt.Println("part2:", sumGears)
return &result{sum, sumGears}, nil
}

43
aoc2023/day03/main_test.go Normal file
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package main
import (
"bufio"
"bytes"
_ "embed"
"testing"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, int(4361))
is.Equal(result.valuePT2, 467835)
}
func TestInput(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result.valuePT1)
is.Equal(result.valuePT1, int(553079))
t.Log(result.valuePT2)
is.Equal(result.valuePT2, 84363105)
}

6
aoc2023/day04/example.txt Normal file
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@@ -0,0 +1,6 @@
Card 1: 41 48 83 86 17 | 83 86 6 31 17 9 48 53
Card 2: 13 32 20 16 61 | 61 30 68 82 17 32 24 19
Card 3: 1 21 53 59 44 | 69 82 63 72 16 21 14 1
Card 4: 41 92 73 84 69 | 59 84 76 51 58 5 54 83
Card 5: 87 83 26 28 32 | 88 30 70 12 93 22 82 36
Card 6: 31 18 13 56 72 | 74 77 10 23 35 67 36 11

202
aoc2023/day04/input.txt Normal file
View File

@@ -0,0 +1,202 @@
Card 1: 73 92 13 35 18 96 37 72 76 39 | 82 14 66 57 25 98 49 28 3 95 81 85 31 30 16 79 7 12 55 19 97 45 9 58 2
Card 2: 41 93 82 81 96 56 46 13 44 79 | 13 28 47 49 46 94 84 87 96 45 41 79 35 43 31 34 81 82 64 93 8 56 9 44 55
Card 3: 22 26 55 46 94 88 3 17 91 95 | 95 97 44 25 46 91 17 20 43 94 22 34 62 73 31 55 60 79 88 90 3 80 33 89 26
Card 4: 78 32 27 65 64 28 43 81 50 93 | 95 37 77 46 29 55 98 88 94 72 53 80 43 41 7 63 92 33 32 66 2 35 31 24 65
Card 5: 74 21 96 20 45 88 18 10 53 73 | 80 87 86 81 28 11 77 16 70 44 8 22 72 85 27 35 42 36 84 37 59 9 41 56 3
Card 6: 70 48 93 10 63 97 20 77 72 42 | 19 7 12 1 47 31 72 88 36 82 69 17 29 62 22 8 32 86 52 76 96 41 51 55 44
Card 7: 79 43 87 42 8 74 51 69 3 44 | 30 27 19 42 99 28 68 43 5 36 54 24 92 97 34 44 96 2 50 82 35 69 25 45 18
Card 8: 11 39 32 62 93 41 75 94 23 29 | 40 31 95 41 17 21 81 90 34 13 4 5 48 24 20 80 50 26 27 43 54 61 8 73 89
Card 9: 75 99 39 45 32 35 55 87 76 21 | 34 14 80 3 93 46 71 78 23 22 87 82 42 49 76 94 10 51 44 58 11 4 91 26 43
Card 10: 34 53 9 36 52 30 70 60 65 96 | 85 31 29 41 4 88 63 93 9 52 11 37 23 61 51 71 97 26 70 15 38 72 94 64 95
Card 11: 41 92 42 94 63 89 85 25 86 98 | 3 20 70 74 93 34 21 82 37 55 9 79 85 41 14 99 2 92 90 26 40 57 67 89 31
Card 12: 50 37 85 46 56 44 2 42 60 66 | 69 78 30 59 71 87 6 51 9 81 75 45 24 16 31 61 44 96 41 86 23 17 42 27 40
Card 13: 24 46 50 29 89 77 49 25 53 65 | 63 66 43 86 11 9 40 70 38 79 78 27 12 20 84 42 67 73 22 8 68 35 6 4 69
Card 14: 72 68 9 78 90 40 55 37 16 52 | 27 98 76 63 58 70 8 44 48 90 6 92 3 20 96 88 59 31 95 15 45 47 30 65 64
Card 15: 15 28 38 87 24 61 26 13 18 94 | 63 56 51 29 17 47 21 62 19 14 69 32 60 41 11 10 54 89 7 35 71 16 96 20 27
Card 16: 11 24 42 76 99 12 45 94 33 10 | 36 94 72 31 12 28 24 18 11 99 61 33 79 10 53 35 76 42 43 22 78 27 62 59 45
Card 17: 72 40 35 28 16 51 2 89 83 39 | 68 79 67 15 77 35 12 34 57 16 10 75 72 39 89 60 27 29 19 17 32 45 37 38 14
Card 18: 13 68 25 92 79 95 67 87 50 7 | 29 23 1 59 91 51 17 80 12 84 27 66 69 61 39 16 34 44 54 37 4 11 9 45 14
Card 19: 62 14 80 15 40 69 26 65 83 32 | 72 18 66 83 59 48 65 50 37 93 80 14 67 60 40 68 32 69 27 85 30 31 62 15 26
Card 20: 4 20 48 56 11 13 8 83 98 96 | 87 25 5 99 19 3 51 79 36 35 39 43 45 63 80 40 20 75 24 64 54 98 95 68 72
Card 21: 13 67 19 78 79 47 49 69 8 9 | 44 9 47 62 50 78 19 76 8 57 77 13 39 11 43 67 49 18 79 94 69 55 58 7 70
Card 22: 21 39 6 99 81 57 22 53 95 90 | 80 46 74 15 69 72 14 16 87 10 99 20 45 81 6 27 51 21 40 89 90 95 65 57 50
Card 23: 27 36 95 10 68 52 30 43 51 70 | 62 52 51 95 68 25 11 30 65 10 55 49 27 81 34 37 63 43 9 56 96 70 1 36 58
Card 24: 31 57 94 2 78 82 63 27 97 70 | 97 58 46 37 70 2 98 57 11 29 36 94 51 90 56 27 13 31 39 28 60 71 96 78 26
Card 25: 96 13 61 89 70 80 93 57 9 28 | 13 27 29 50 9 94 59 80 16 7 40 89 91 3 60 75 17 18 36 86 15 28 26 61 57
Card 26: 53 96 15 97 36 13 31 22 19 35 | 61 55 1 92 93 65 19 41 52 3 85 24 22 78 13 70 66 54 31 95 71 96 58 97 35
Card 27: 56 75 28 85 82 52 58 59 13 33 | 2 31 12 10 81 94 9 80 5 95 43 55 83 60 66 79 61 58 49 34 29 57 99 92 88
Card 28: 4 21 19 94 95 47 92 52 78 73 | 72 96 85 7 26 44 56 86 49 6 63 35 1 66 4 70 13 40 71 17 62 8 69 76 32
Card 29: 44 13 92 57 70 83 96 63 6 76 | 51 30 71 38 42 76 77 99 10 64 26 81 21 50 89 59 31 8 79 83 85 2 5 75 44
Card 30: 59 26 61 78 20 5 11 32 87 23 | 97 41 35 31 27 80 83 51 42 2 17 48 69 6 37 62 43 29 18 73 8 95 82 79 45
Card 31: 80 30 36 54 1 81 95 16 45 62 | 99 73 91 43 93 23 4 51 71 30 84 28 80 63 46 53 49 55 74 31 25 2 52 3 21
Card 32: 10 9 5 18 68 47 81 1 93 65 | 55 80 77 33 50 94 56 9 58 22 86 31 51 2 88 44 98 99 26 21 3 30 20 52 93
Card 33: 16 48 32 5 1 96 11 2 14 46 | 80 10 79 87 19 5 71 72 30 29 93 13 39 67 8 49 22 48 76 28 52 23 58 38 81
Card 34: 70 24 23 27 67 55 95 96 80 92 | 54 5 42 37 93 49 10 7 74 80 50 34 78 40 2 28 39 52 3 83 62 21 91 71 73
Card 35: 70 96 75 73 29 58 88 16 77 71 | 68 42 64 11 65 63 5 79 38 52 34 41 86 35 25 44 48 93 20 60 78 4 90 80 21
Card 36: 17 59 71 39 41 83 86 51 4 23 | 88 96 35 17 91 16 34 26 27 92 75 97 46 78 39 80 32 60 70 9 81 28 50 95 18
Card 37: 52 75 8 64 39 42 10 34 71 73 | 62 34 29 80 46 64 2 42 81 45 55 44 17 33 66 26 12 50 52 8 94 4 43 85 48
Card 38: 61 74 68 26 97 31 86 96 41 98 | 95 56 70 49 3 86 21 8 90 39 96 26 30 16 46 31 97 89 61 68 53 41 98 54 74
Card 39: 3 18 75 56 73 41 43 82 34 33 | 70 26 42 78 6 56 90 41 17 75 18 47 82 32 13 60 81 39 5 52 54 55 12 48 98
Card 40: 96 25 22 84 95 72 50 40 90 69 | 48 91 77 78 16 17 55 26 1 28 14 31 23 79 51 24 82 97 62 47 13 93 12 4 20
Card 41: 71 54 24 39 7 51 95 46 90 17 | 96 44 64 69 8 62 97 39 48 2 76 71 37 84 90 54 95 81 46 63 7 51 50 24 47
Card 42: 48 94 44 43 57 58 55 7 17 11 | 2 12 84 40 96 57 73 17 55 94 43 87 90 95 35 21 11 42 34 26 25 10 74 60 41
Card 43: 75 8 12 87 36 35 33 62 11 39 | 25 73 71 64 46 99 60 57 15 24 80 10 74 67 12 23 63 69 56 55 20 53 1 52 81
Card 44: 66 71 25 56 8 65 96 38 68 41 | 41 33 18 60 66 72 37 87 59 94 56 96 5 7 17 21 14 25 93 39 74 79 46 71 11
Card 45: 27 8 93 49 24 48 23 78 98 51 | 71 37 96 47 74 21 9 40 12 45 49 70 84 76 58 53 50 91 34 85 13 7 5 29 55
Card 46: 84 42 44 27 98 64 19 28 93 74 | 17 15 4 47 75 52 73 90 89 57 55 36 80 81 54 71 88 53 1 56 21 32 66 91 38
Card 47: 53 21 4 28 65 58 49 98 10 23 | 25 20 19 64 10 67 15 78 80 7 83 13 35 38 75 86 33 28 98 27 73 70 59 79 14
Card 48: 37 12 5 10 95 45 70 11 72 97 | 16 89 35 32 24 78 71 91 14 52 9 63 53 36 17 8 82 97 69 27 26 12 81 67 43
Card 49: 54 4 71 83 72 50 95 78 35 36 | 46 87 98 18 36 72 74 75 66 70 69 16 21 58 90 33 93 68 41 59 7 23 92 5 11
Card 50: 70 93 33 38 27 36 61 55 74 94 | 40 20 58 70 78 12 14 31 95 29 19 65 81 17 90 16 45 51 13 97 72 63 53 41 88
Card 51: 27 14 41 6 24 48 96 66 43 18 | 11 1 81 92 8 29 26 13 35 73 3 78 93 52 98 77 60 99 62 79 22 54 9 21 30
Card 52: 1 28 54 70 24 22 50 37 63 87 | 22 11 71 87 50 25 24 70 37 14 95 28 40 80 3 54 63 58 82 1 34 41 13 10 75
Card 53: 33 96 53 80 60 6 35 77 32 83 | 35 5 43 67 32 80 18 79 58 91 28 96 23 53 6 83 77 86 71 50 21 33 60 30 24
Card 54: 45 76 84 5 12 3 44 2 81 59 | 6 76 63 81 16 2 12 3 87 44 21 24 45 19 59 84 5 17 68 80 66 36 15 99 31
Card 55: 5 67 46 50 68 64 14 94 11 4 | 45 34 62 53 97 65 37 27 68 36 22 44 20 60 75 77 89 55 33 9 13 28 63 31 47
Card 56: 51 96 40 33 39 81 74 60 62 65 | 70 90 69 76 32 62 40 65 56 80 28 33 74 81 82 94 60 12 49 7 39 96 8 63 51
Card 57: 24 71 51 97 23 89 41 46 6 56 | 62 52 20 4 67 24 38 5 92 50 11 63 59 17 55 83 98 21 48 87 97 32 23 53 66
Card 58: 63 72 78 10 64 46 65 54 95 9 | 8 77 4 58 32 82 42 49 97 47 40 2 87 24 9 94 63 61 17 27 56 55 12 75 39
Card 59: 62 67 17 58 45 46 91 94 81 93 | 46 40 52 26 74 81 17 41 82 61 12 50 35 97 62 94 28 58 38 45 92 63 67 93 91
Card 60: 81 21 13 88 69 2 49 17 59 51 | 64 4 59 28 95 21 2 17 49 88 48 13 82 51 18 65 54 81 42 10 22 69 32 85 60
Card 61: 50 51 58 20 22 31 61 89 84 7 | 1 68 27 88 52 39 13 23 2 3 42 5 55 29 77 38 44 95 63 34 46 75 4 60 16
Card 62: 62 84 76 41 71 86 25 15 55 42 | 71 32 35 76 42 41 84 15 1 43 30 88 48 86 25 70 98 62 93 3 13 46 77 97 50
Card 63: 34 20 1 29 7 61 31 97 81 85 | 26 8 78 2 29 61 23 59 60 7 10 86 12 64 1 87 24 56 58 30 19 53 36 81 34
Card 64: 3 82 28 70 49 95 9 52 45 38 | 27 28 65 81 57 15 29 71 32 60 48 52 4 73 38 72 67 10 88 7 3 5 78 91 18
Card 65: 85 74 52 87 60 24 82 72 67 93 | 72 4 87 52 86 48 39 67 18 15 99 41 78 38 60 84 36 75 79 23 2 42 54 16 69
Card 66: 33 54 78 76 24 29 62 20 2 98 | 76 98 51 99 75 2 30 83 33 72 28 3 29 62 20 84 54 61 59 94 1 16 63 24 78
Card 67: 59 78 56 63 44 35 10 94 13 4 | 46 63 56 1 94 86 55 80 20 28 50 67 4 53 6 59 13 58 93 10 22 19 84 12 8
Card 68: 87 12 41 7 75 43 62 68 63 81 | 4 95 20 24 91 37 70 56 67 49 90 82 6 21 59 30 71 64 41 65 58 96 8 25 13
Card 69: 89 39 8 86 62 97 53 84 72 74 | 11 48 25 89 72 59 7 85 15 19 65 80 54 1 21 38 29 30 40 58 56 49 3 83 52
Card 70: 75 49 73 78 29 12 47 36 24 88 | 92 84 50 75 12 34 73 28 97 86 29 56 78 8 69 47 17 44 32 68 81 15 16 26 37
Card 71: 44 41 24 40 59 85 74 36 4 92 | 33 48 32 49 78 34 35 29 45 93 36 37 18 98 16 17 58 69 40 61 66 94 60 59 75
Card 72: 9 21 83 27 2 23 99 7 6 59 | 73 74 81 25 65 33 29 14 27 44 24 63 49 43 12 37 69 79 36 54 52 82 55 78 94
Card 73: 71 70 3 47 31 76 78 72 86 98 | 95 20 70 33 45 89 85 29 52 88 42 90 6 80 25 58 79 13 48 67 41 49 24 27 39
Card 74: 22 39 58 70 56 59 3 98 61 97 | 13 84 72 47 11 52 4 35 46 49 5 24 62 43 9 40 63 16 99 93 33 83 30 91 14
Card 75: 29 48 85 95 64 61 35 99 15 46 | 98 97 9 76 5 14 74 87 38 75 82 54 4 63 20 53 79 40 62 96 2 85 31 36 80
Card 76: 70 94 3 1 46 48 87 5 16 74 | 52 14 22 6 24 65 4 8 42 36 66 43 9 45 93 69 51 57 19 44 81 98 77 35 79
Card 77: 77 8 29 21 11 31 93 74 72 71 | 67 8 43 72 62 40 11 77 71 29 61 92 74 12 52 37 78 93 56 31 14 21 63 39 35
Card 78: 66 48 5 4 63 54 91 74 76 77 | 48 54 36 95 11 61 76 52 46 65 18 67 66 63 62 19 5 74 77 64 4 42 9 91 55
Card 79: 57 19 65 23 69 74 28 97 89 41 | 89 15 41 99 58 53 8 17 23 81 28 94 43 57 1 46 71 38 87 6 49 59 80 85 75
Card 80: 64 39 19 41 14 6 91 8 61 46 | 66 94 39 82 43 92 33 8 30 1 40 55 18 95 6 86 7 80 91 65 97 9 12 61 2
Card 81: 26 28 44 29 78 30 14 68 22 40 | 38 8 25 72 51 31 16 71 45 37 87 23 85 64 7 6 34 44 90 9 13 15 82 49 32
Card 82: 47 26 6 33 32 1 37 42 96 29 | 68 20 10 56 6 27 13 22 83 15 41 37 24 79 52 93 80 94 45 92 50 46 2 78 42
Card 83: 33 32 63 1 19 69 29 3 64 10 | 69 43 8 32 9 67 40 23 64 20 96 27 1 42 11 19 3 10 63 33 22 29 55 6 49
Card 84: 25 47 44 53 22 60 77 89 37 67 | 99 48 44 53 60 6 9 8 22 70 37 96 50 47 25 89 11 49 67 90 29 32 77 40 66
Card 85: 30 60 57 86 93 88 18 27 48 82 | 94 10 57 86 59 88 48 52 78 29 20 41 82 77 90 87 64 6 60 81 44 51 2 68 45
Card 86: 8 29 97 92 91 69 48 82 51 67 | 40 81 10 97 57 94 7 65 84 17 96 38 5 76 98 55 39 34 88 27 12 18 3 26 9
Card 87: 29 21 65 98 26 23 40 94 90 51 | 42 53 95 94 62 75 86 55 29 49 92 21 87 37 56 40 13 68 65 23 26 98 38 31 69
Card 88: 30 79 14 43 73 41 36 83 19 17 | 3 73 70 55 99 34 90 38 26 5 85 22 81 97 66 16 24 88 2 33 21 63 96 58 41
Card 89: 81 41 29 97 76 57 30 79 25 52 | 76 37 89 90 38 17 87 46 7 93 99 54 41 62 79 43 82 95 70 61 29 58 48 12 60
Card 90: 26 94 39 29 48 22 16 98 66 64 | 52 66 61 50 45 64 80 27 5 14 68 13 58 37 7 26 39 82 16 72 33 8 48 99 88
Card 91: 87 17 19 24 64 7 45 28 36 23 | 54 16 64 83 48 49 61 31 95 66 92 15 85 41 3 82 63 67 55 57 9 68 18 32 43
Card 92: 48 41 8 81 26 60 65 73 1 88 | 39 65 51 63 69 88 25 41 3 13 66 98 18 31 73 71 86 12 10 96 6 93 20 9 82
Card 93: 79 2 21 93 97 59 62 43 83 73 | 26 9 28 84 47 46 44 2 83 5 13 95 7 4 36 35 11 10 72 82 90 65 73 98 87
Card 94: 74 86 50 28 11 2 94 47 54 77 | 1 69 35 40 22 19 16 61 66 68 28 56 29 85 10 51 83 7 50 59 92 71 9 86 67
Card 95: 96 12 56 26 91 15 64 61 82 40 | 52 14 50 70 93 83 54 42 84 19 43 80 82 25 73 3 44 45 81 5 87 41 8 16 78
Card 96: 80 38 2 91 44 92 19 43 10 64 | 11 45 21 28 31 71 23 88 93 62 17 27 7 78 33 32 54 84 5 72 15 52 63 68 91
Card 97: 32 54 71 38 5 89 28 47 75 42 | 98 34 57 25 9 80 37 71 61 62 94 6 65 13 92 84 11 2 72 90 17 67 4 1 46
Card 98: 39 57 6 68 64 91 90 51 78 10 | 56 30 1 12 62 44 21 69 53 65 84 32 96 25 94 92 38 60 14 47 77 13 71 93 20
Card 99: 6 89 48 77 90 57 21 72 87 73 | 39 48 45 73 87 79 14 25 57 72 66 89 31 30 77 50 74 6 34 36 21 23 90 10 49
Card 100: 33 40 16 54 58 60 30 47 22 6 | 31 47 30 76 48 67 33 68 22 57 54 5 16 6 58 43 3 64 55 15 40 60 77 13 4
Card 101: 19 52 71 42 34 73 35 89 62 46 | 9 73 26 49 72 14 19 46 99 32 4 88 84 10 87 17 27 89 30 98 40 7 75 78 90
Card 102: 2 79 8 73 25 16 82 47 20 52 | 71 88 82 79 2 51 52 3 54 20 56 19 69 10 97 66 45 28 36 39 47 61 40 13 42
Card 103: 77 28 11 32 36 23 39 88 76 51 | 26 36 99 55 25 19 31 42 18 66 39 11 59 46 4 74 23 71 77 16 84 58 28 32 53
Card 104: 22 90 17 19 96 62 98 55 41 49 | 90 91 74 23 98 84 77 31 81 16 41 67 49 55 56 86 22 24 73 52 99 62 93 32 34
Card 105: 41 91 2 4 18 81 52 93 89 87 | 3 47 6 77 60 24 97 26 70 19 37 36 51 82 48 21 31 99 73 88 59 15 46 35 32
Card 106: 48 54 60 39 80 50 13 61 43 51 | 24 66 90 38 10 74 28 29 89 16 5 25 2 54 15 34 70 7 44 47 14 48 69 78 13
Card 107: 10 20 81 62 85 75 4 49 58 1 | 32 89 48 79 90 96 15 59 36 14 49 55 38 34 30 11 62 28 53 72 17 77 41 80 66
Card 108: 79 94 49 89 78 71 20 7 48 56 | 11 53 35 90 22 29 4 71 48 94 70 8 72 78 27 45 7 21 49 16 55 56 73 42 81
Card 109: 32 73 98 31 4 46 57 11 40 88 | 36 40 89 47 18 87 98 48 45 84 21 1 80 33 67 32 64 28 61 3 51 10 86 97 62
Card 110: 45 51 97 87 23 48 19 50 63 55 | 19 20 15 22 27 24 38 93 55 54 98 23 28 97 82 59 73 11 8 1 18 64 50 63 48
Card 111: 38 1 49 22 26 96 3 88 24 70 | 79 58 20 74 70 80 55 68 35 77 88 3 24 40 87 53 50 47 38 54 82 26 49 7 2
Card 112: 79 90 9 20 94 36 88 31 48 42 | 25 68 69 52 24 98 76 63 97 41 67 94 61 90 32 87 18 13 75 38 84 60 64 86 89
Card 113: 7 32 6 52 76 72 39 24 46 79 | 67 19 31 94 50 26 66 11 45 80 86 68 88 22 65 3 99 12 90 79 38 14 4 73 54
Card 114: 80 54 9 2 58 26 44 63 15 21 | 5 60 76 47 87 33 89 23 4 55 17 42 62 46 97 48 90 91 95 82 34 64 30 19 31
Card 115: 51 34 88 42 20 98 75 79 39 48 | 76 94 13 58 12 66 50 72 2 89 68 21 96 25 10 45 30 7 99 15 46 59 90 9 53
Card 116: 43 32 82 89 9 63 78 57 55 77 | 19 47 23 27 70 22 18 52 28 93 36 76 80 65 21 8 67 20 84 9 12 90 92 97 5
Card 117: 71 50 45 29 32 75 10 96 82 43 | 96 46 83 47 10 11 16 39 36 3 89 9 67 5 72 53 2 27 19 7 8 24 61 37 4
Card 118: 37 44 20 31 43 47 13 46 51 39 | 8 70 7 66 48 50 18 82 84 96 73 12 6 97 62 75 17 49 26 22 4 24 54 94 61
Card 119: 36 75 46 25 47 69 95 8 94 81 | 48 91 62 11 99 10 9 7 26 15 1 79 54 45 49 27 53 78 64 65 33 31 59 17 5
Card 120: 37 96 65 31 64 95 9 55 92 29 | 71 62 77 18 86 52 33 19 8 93 30 74 17 84 59 11 69 4 41 67 76 10 66 43 38
Card 121: 39 99 21 22 11 13 61 72 49 29 | 98 79 29 42 27 73 12 40 96 13 88 45 14 18 4 36 99 80 11 22 49 23 67 21 72
Card 122: 74 88 60 36 94 18 99 55 70 16 | 91 77 18 6 93 84 97 68 45 13 63 94 14 21 31 10 65 16 61 54 70 51 30 46 36
Card 123: 67 91 97 35 11 3 8 69 81 15 | 14 45 66 15 8 29 69 24 68 67 10 59 35 18 17 53 11 3 91 12 43 72 97 81 89
Card 124: 64 61 94 18 21 17 42 80 86 43 | 25 83 69 59 57 51 87 38 91 54 56 46 4 75 99 90 73 37 20 86 49 98 21 58 81
Card 125: 51 79 20 71 43 42 46 36 77 7 | 55 46 22 24 76 86 34 95 73 36 98 63 49 43 54 28 58 10 26 62 79 97 39 60 32
Card 126: 44 51 42 27 1 84 56 38 18 91 | 27 67 1 51 42 44 19 18 73 84 16 12 56 24 91 21 97 47 99 88 90 25 6 38 65
Card 127: 85 92 63 8 17 51 43 61 52 78 | 37 81 65 43 88 97 17 79 46 51 39 23 44 78 95 2 28 49 32 85 63 84 61 8 92
Card 128: 36 40 7 30 79 76 4 37 97 27 | 97 29 30 58 84 71 4 98 78 27 6 76 43 22 37 40 36 32 7 23 70 92 53 79 48
Card 129: 98 81 33 49 20 93 32 82 39 48 | 39 65 7 78 52 87 79 53 33 60 63 81 71 93 55 92 12 30 82 32 38 27 90 95 84
Card 130: 29 59 99 28 65 42 80 87 19 85 | 87 65 59 82 28 29 64 99 79 33 9 31 19 75 53 1 20 42 97 39 72 80 8 85 63
Card 131: 88 58 37 3 66 87 67 60 84 5 | 84 86 40 82 37 16 34 55 54 70 80 65 22 77 31 48 78 11 68 18 12 52 69 17 32
Card 132: 50 23 57 31 27 1 25 2 38 21 | 52 61 75 38 15 71 90 50 76 66 22 39 99 68 13 37 78 18 87 43 63 40 53 84 2
Card 133: 3 59 60 91 93 68 65 45 86 20 | 13 32 74 8 90 68 58 94 67 38 93 97 75 2 71 20 31 37 59 30 39 44 28 34 64
Card 134: 42 6 64 28 96 55 43 58 24 40 | 36 99 10 79 2 9 42 61 84 58 35 7 77 38 85 21 64 32 78 6 96 74 89 40 55
Card 135: 38 15 49 59 73 40 13 60 41 25 | 46 80 2 60 42 59 51 57 56 27 40 62 76 37 84 16 89 18 25 73 5 22 45 70 81
Card 136: 18 17 68 43 77 76 91 13 4 79 | 11 67 10 73 23 71 8 46 87 79 5 51 58 47 62 66 24 29 55 82 93 20 80 32 42
Card 137: 60 51 99 79 67 59 66 40 25 87 | 44 53 76 5 77 75 65 90 9 41 55 22 60 23 71 30 1 86 88 15 54 66 59 13 68
Card 138: 78 65 89 48 62 88 3 12 87 99 | 11 19 39 38 69 81 12 75 17 52 26 56 29 77 91 23 93 53 50 66 15 16 85 80 71
Card 139: 34 12 48 47 25 98 32 37 21 54 | 13 62 79 43 90 72 47 11 20 82 38 29 69 10 66 35 1 84 7 52 27 42 46 91 58
Card 140: 61 27 68 51 7 58 43 89 26 59 | 2 17 44 87 36 15 6 35 57 29 62 13 56 81 40 19 53 9 85 5 10 46 64 86 88
Card 141: 40 28 9 81 37 43 18 77 83 23 | 13 59 2 31 52 30 47 6 42 89 70 69 86 92 19 93 58 49 36 8 29 99 60 63 67
Card 142: 25 6 69 2 14 44 13 93 89 95 | 13 33 76 2 14 68 95 25 18 23 44 43 89 6 93 11 4 24 9 45 38 69 36 15 17
Card 143: 3 87 14 59 7 5 69 35 20 17 | 5 16 21 69 38 50 64 97 72 30 53 77 73 13 33 55 79 70 4 10 95 59 3 41 42
Card 144: 94 63 13 51 62 72 33 9 64 22 | 11 90 13 28 47 56 10 4 93 30 7 70 33 69 62 36 72 96 24 22 71 63 52 86 73
Card 145: 76 1 41 88 97 18 10 11 52 20 | 18 11 41 1 71 52 12 94 74 44 58 70 69 73 79 97 20 45 59 76 78 88 4 10 64
Card 146: 93 1 18 44 21 66 28 60 98 9 | 13 42 18 46 28 23 96 16 12 55 70 53 98 56 64 50 15 61 25 72 24 35 8 43 97
Card 147: 67 27 79 43 7 74 11 15 64 75 | 17 57 90 7 41 36 93 29 62 14 77 5 38 33 68 70 32 13 23 6 25 30 55 45 9
Card 148: 59 62 37 5 52 53 43 29 98 2 | 33 62 93 52 29 68 43 23 11 35 87 14 76 53 59 77 4 89 48 13 2 15 49 72 99
Card 149: 38 74 24 93 50 21 19 65 95 5 | 93 82 57 95 67 11 9 55 5 74 46 2 96 19 21 92 56 14 38 33 77 58 32 43 37
Card 150: 8 99 26 38 47 48 96 20 82 92 | 80 46 13 97 66 22 40 36 85 73 63 32 1 70 49 60 90 88 43 2 48 5 76 34 50
Card 151: 41 69 32 12 5 72 3 29 2 79 | 28 41 11 64 69 71 3 87 45 40 5 15 50 95 90 53 19 55 26 98 82 12 6 77 14
Card 152: 96 20 94 19 7 68 24 56 88 97 | 54 70 63 84 26 73 35 24 39 99 6 79 44 20 64 12 38 87 1 43 46 42 11 60 8
Card 153: 60 9 99 62 93 22 16 11 34 28 | 57 43 38 98 82 89 20 58 71 40 79 53 86 1 69 4 27 19 36 85 83 33 59 90 96
Card 154: 45 75 27 11 76 24 1 4 21 99 | 96 51 54 55 78 69 24 31 77 18 92 17 89 86 3 11 19 15 88 64 49 47 68 36 14
Card 155: 97 56 99 89 82 6 17 15 52 29 | 23 26 85 70 13 47 72 1 51 64 90 44 53 45 42 77 88 32 74 25 58 68 37 21 79
Card 156: 28 78 54 72 36 25 84 47 87 30 | 75 49 44 5 83 48 16 17 82 33 60 15 12 94 41 66 23 51 43 39 6 55 34 77 32
Card 157: 44 74 36 93 15 96 25 12 19 40 | 84 44 54 96 80 48 59 79 78 55 42 27 11 69 76 19 93 2 35 83 77 43 40 85 99
Card 158: 74 73 99 41 17 45 92 80 21 85 | 85 51 97 91 69 81 74 73 88 80 28 14 6 95 99 92 50 29 17 5 77 89 76 21 41
Card 159: 7 2 83 33 51 95 96 18 75 52 | 52 96 21 27 47 98 51 83 29 77 75 53 2 64 7 33 57 82 50 14 95 34 79 44 18
Card 160: 46 54 7 84 37 42 60 9 47 10 | 84 34 9 85 24 29 80 8 88 10 1 46 43 59 47 76 81 26 68 60 30 42 7 56 37
Card 161: 18 88 61 65 90 29 1 20 22 25 | 25 84 28 2 45 61 39 71 35 32 16 18 65 1 29 23 49 5 22 83 78 24 20 88 90
Card 162: 78 93 50 17 75 29 69 31 65 85 | 31 18 45 12 28 85 65 69 81 15 32 64 22 40 33 23 50 17 29 97 7 37 63 93 78
Card 163: 66 47 30 99 34 45 60 82 72 43 | 73 98 29 36 35 54 49 61 17 1 52 95 81 56 31 27 15 96 24 20 32 33 65 55 82
Card 164: 45 23 93 75 49 1 3 12 36 67 | 77 79 15 82 12 93 49 23 45 31 8 62 66 75 32 48 6 30 78 67 64 3 36 1 94
Card 165: 75 62 57 30 69 52 35 84 17 32 | 9 17 46 33 69 29 35 34 84 55 57 83 56 70 10 7 30 75 27 99 52 62 32 47 77
Card 166: 2 79 15 96 51 77 38 98 36 74 | 1 54 12 73 39 75 87 24 49 74 43 53 56 16 34 99 26 30 50 40 86 94 35 66 65
Card 167: 41 77 3 17 78 56 92 33 87 52 | 98 37 44 68 43 53 76 13 74 59 49 71 66 90 54 82 46 5 95 16 15 62 96 58 25
Card 168: 23 61 30 69 41 58 21 49 97 16 | 26 74 24 40 58 30 20 38 34 87 72 46 15 77 50 2 57 1 75 81 84 70 23 69 11
Card 169: 9 17 32 25 1 65 22 46 8 99 | 84 19 66 27 28 15 34 90 42 2 43 87 78 6 81 46 24 13 63 3 48 20 86 70 73
Card 170: 32 86 96 77 56 40 66 46 89 2 | 87 1 50 91 59 96 29 70 92 93 33 10 20 45 12 60 63 21 14 54 36 80 56 19 75
Card 171: 70 36 51 80 5 24 40 87 72 30 | 30 52 71 81 84 97 22 95 72 53 46 55 44 51 24 19 98 63 73 56 6 80 90 59 77
Card 172: 97 74 79 52 85 56 40 2 30 54 | 66 40 49 94 16 47 57 85 24 45 53 63 51 74 69 38 46 90 50 91 75 97 28 31 62
Card 173: 72 49 45 75 23 20 90 50 48 94 | 38 34 28 33 91 65 87 19 37 30 9 18 64 14 53 70 49 39 90 79 88 51 12 57 48
Card 174: 48 39 78 41 80 49 43 87 61 22 | 68 39 65 84 67 79 10 29 78 81 36 73 62 6 44 72 27 1 19 66 93 4 16 46 50
Card 175: 96 91 10 82 43 98 30 65 3 83 | 49 77 40 78 70 23 52 34 16 2 64 72 69 61 15 33 79 32 39 74 7 92 24 46 36
Card 176: 29 21 33 68 60 35 11 99 82 61 | 81 13 97 71 32 40 23 36 59 53 66 54 62 47 89 93 44 33 87 55 26 18 31 64 67
Card 177: 97 45 62 55 76 34 66 54 14 68 | 94 42 28 30 32 58 33 48 46 80 7 15 92 98 95 81 90 17 71 24 26 16 39 13 93
Card 178: 99 45 47 89 4 17 36 14 86 96 | 40 33 56 89 17 93 94 45 75 4 5 99 37 36 47 98 70 44 86 65 14 73 96 8 22
Card 179: 30 63 6 25 4 85 41 17 83 11 | 44 92 25 71 95 61 50 11 27 4 6 30 9 85 63 67 87 13 17 83 18 53 41 10 52
Card 180: 70 89 32 66 15 30 76 8 42 36 | 36 16 89 13 45 42 31 77 76 30 71 27 8 95 98 32 35 14 66 70 26 85 72 33 15
Card 181: 74 81 12 28 22 21 14 54 3 5 | 32 59 69 67 15 35 42 12 34 11 5 71 79 2 73 14 55 87 56 65 28 17 30 99 9
Card 182: 79 41 90 19 21 15 66 2 55 59 | 2 93 34 65 67 63 72 79 15 5 59 14 55 95 70 83 90 21 68 66 19 7 41 92 3
Card 183: 6 8 44 39 74 78 10 2 61 59 | 6 61 75 44 62 92 77 29 8 39 78 20 73 18 68 4 60 66 74 59 49 3 2 5 10
Card 184: 68 32 10 82 15 95 56 89 28 42 | 25 56 28 73 6 11 43 37 95 2 70 18 19 90 45 89 26 42 10 32 7 98 82 15 68
Card 185: 66 74 17 3 71 21 51 28 14 48 | 80 34 77 37 45 74 84 20 44 14 31 66 51 48 17 86 12 43 71 56 35 13 4 93 27
Card 186: 79 33 25 28 86 18 57 7 76 40 | 26 16 59 99 31 62 77 21 23 70 7 25 35 49 81 18 72 45 65 58 86 51 88 80 76
Card 187: 1 2 73 43 13 64 69 21 3 46 | 65 37 53 92 82 13 12 28 3 58 71 46 64 1 56 19 98 21 73 43 60 2 57 29 69
Card 188: 85 77 35 15 22 67 79 18 66 99 | 42 46 93 19 28 4 89 32 95 75 11 57 6 40 39 30 22 43 41 24 8 78 58 69 48
Card 189: 13 48 6 61 55 38 75 96 76 42 | 42 32 61 81 55 13 26 41 9 77 70 68 56 35 58 89 20 75 6 72 91 38 90 93 96
Card 190: 19 78 50 35 32 14 45 70 16 77 | 32 92 71 86 75 77 9 8 19 68 16 6 67 33 15 78 43 57 55 85 69 35 73 50 14
Card 191: 71 62 7 72 70 4 89 95 94 59 | 36 94 40 6 71 59 45 28 90 12 89 95 16 85 83 88 4 48 72 62 76 7 13 70 11
Card 192: 52 15 61 83 18 67 29 75 34 36 | 8 65 43 93 67 53 88 83 52 75 81 37 49 29 6 39 76 91 92 36 19 98 50 41 33
Card 193: 78 94 7 48 25 16 91 38 13 5 | 22 77 76 84 17 40 41 36 93 56 50 35 64 59 23 95 89 49 61 30 42 85 37 92 44
Card 194: 66 92 16 37 42 62 86 76 98 36 | 46 60 34 31 79 40 11 19 16 74 75 36 71 43 13 2 90 76 50 29 85 55 54 10 35
Card 195: 66 23 45 62 30 95 38 5 97 39 | 96 65 37 89 95 73 69 75 25 45 51 22 62 7 33 13 94 78 34 35 36 56 55 70 24
Card 196: 15 45 70 41 97 27 80 64 25 28 | 88 93 65 83 36 16 35 92 6 71 82 24 17 64 66 33 37 69 78 60 56 49 91 19 61
Card 197: 46 35 2 60 75 99 6 42 47 21 | 91 93 70 8 46 6 35 50 55 72 71 64 47 82 39 94 25 67 41 60 86 83 87 90 7
Card 198: 71 62 73 96 79 63 41 17 56 68 | 95 77 16 70 29 68 66 63 98 80 20 18 31 34 52 5 42 22 49 6 25 38 51 75 50
Card 199: 70 84 46 98 44 45 16 36 29 99 | 78 21 92 77 32 91 22 90 76 74 42 55 51 69 94 64 26 65 41 97 10 34 15 35 9
Card 200: 96 60 87 21 80 48 44 69 3 49 | 2 65 66 94 55 62 72 52 86 15 30 71 45 82 49 47 81 33 14 42 4 1 51 75 34
Card 201: 55 53 33 19 1 70 17 61 2 72 | 62 6 30 86 45 71 46 33 15 90 73 37 18 12 68 87 89 49 8 60 52 22 51 25 74
Card 202: 5 47 96 53 54 14 77 29 12 3 | 26 71 91 86 59 70 78 8 83 92 35 64 9 79 84 34 36 93 90 40 16 44 51 6 4

100
aoc2023/day04/main.go Normal file
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@@ -0,0 +1,100 @@
package main
import (
"bufio"
_ "embed"
"log/slog"
"strconv"
"strings"
aoc "go.sour.is/advent-of-code"
)
//go:embed input.txt
var input []byte
type card struct {
card int
winner []int
scratch []int
copies int
}
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
points int
cards int
}
func run(scan *bufio.Scanner) (result, error) {
cards := []*card{}
for scan.Scan() {
pfx, text, ok := strings.Cut(scan.Text(), ":")
if !ok || !strings.HasPrefix(pfx, "Card ") {
continue
}
num := aoc.Atoi(strings.TrimSpace(strings.SplitN(pfx, " ", 2)[1]))
cards = append(cards, &card{card: num})
buf := make([]rune, 0, 4)
winner := true
for _, a := range text {
if a >= '0' && a <= '9' {
buf = append(buf, a)
continue
}
if a == ' ' && len(buf) > 0 {
num, _ = strconv.Atoi(string(buf))
buf = buf[:0]
if winner {
cards[len(cards)-1].winner = append(cards[len(cards)-1].winner, num)
} else {
cards[len(cards)-1].scratch = append(cards[len(cards)-1].scratch, num)
}
}
if a == '|' {
winner = false
}
}
if len(buf) > 0 {
num = aoc.Atoi(string(buf))
buf = buf[:0]
_ = buf // ignore
cards[len(cards)-1].scratch = append(cards[len(cards)-1].scratch, num)
}
}
var sumPoints int
var sumCards int
for _, card := range cards {
m := []int{}
for _, w := range card.winner {
for _, s := range card.scratch {
if w == s {
m = append(m, w)
}
}
}
if len(m) > 0 {
sumPoints += 1 << (len(m) - 1)
for i, c := range cards[card.card:min(card.card+len(m), len(cards))] {
c.copies += 1 + 1*card.copies
slog.Debug("cards", "card", card.card, "wins", i+1, "with", card.copies, "copies, wins", len(m), "giving", 1+1*card.copies, "for card", c.card, "total", c.copies)
}
}
sumCards += 1 + 1*card.copies
slog.Debug("cards", "card", card.card, "wins", len(m), "as", 1, "+", 1*card.copies, "for", 1+1*card.copies, "copies. total", sumCards)
slog.Debug("points", "card", card.card, "match", m, "score", sumPoints)
}
return result{sumPoints, sumCards}, nil
}

34
aoc2023/day04/main_test.go Normal file
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@@ -0,0 +1,34 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
r, err := run(scan)
is.NoErr(err)
is.Equal(r.points, 13)
is.Equal(r.cards, 30)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
r, err := run(scan)
is.NoErr(err)
is.Equal(r.points, 23235)
is.Equal(r.cards, 5920640)
}

33
aoc2023/day05/example.txt Normal file
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@@ -0,0 +1,33 @@
seeds: 79 14 55 13
seed-to-soil map:
50 98 2
52 50 48
soil-to-fertilizer map:
0 15 37
37 52 2
39 0 15
fertilizer-to-water map:
49 53 8
0 11 42
42 0 7
57 7 4
water-to-light map:
88 18 7
18 25 70
light-to-temperature map:
45 77 23
81 45 19
68 64 13
temperature-to-humidity map:
0 69 1
1 0 69
humidity-to-location map:
60 56 37
56 93 4

250
aoc2023/day05/input.txt Normal file
View File

@@ -0,0 +1,250 @@
seeds: 1263068588 44436703 1116624626 2393304 2098781025 128251971 2946842531 102775703 2361566863 262106125 221434439 24088025 1368516778 69719147 3326254382 101094138 1576631370 357411492 3713929839 154258863
seed-to-soil map:
2056129205 3495540274 7275274
2093671499 2217398614 16037515
144190400 1167267743 4402289
685148999 560842720 46363553
148592689 1382926008 71816170
241575914 1243634776 139291232
1686196783 543577846 17264874
2601917866 2486088541 222990187
1703461657 1454742178 45658441
4200618033 2052611543 79792525
2063404479 2445531749 30267020
3026695548 4113017544 181949752
73663477 607206273 70526923
3412143232 2195535041 20126067
1381626519 809568775 38912495
4280410558 3277485604 9635485
1285511345 435930218 30230711
2009679577 4060471919 23976534
491535670 129136847 193613329
3016405776 2475798769 10289772
2035393617 2709078728 12153762
1760083914 1171670032 71964744
3988522413 2233436129 212095620
2824908053 4084448453 28569091
799335774 434222608 1707610
2109709014 3568263067 492208852
2047547379 3502815548 8581826
1275917650 466160929 9593695
731512552 475754624 67823222
380867146 698900251 110668524
1315742056 1500400619 65884463
801043384 848481270 151647344
3208645300 3292042342 203497932
952690728 0 129136847
1081827575 1000128614 167139129
0 1731434235 73663477
1749120098 423258792 10963816
2853477144 3511397374 56865693
1585688167 322750176 100508616
3432269299 2721232490 556253114
1420539014 1566285082 165149153
2973473810 2009679577 42931966
220408859 677733196 21167055
4290046043 3287121089 4921253
2033656111 2215661108 1737506
1248966704 1805097712 26950946
2910342837 2132404068 63130973
soil-to-fertilizer map:
3192416630 3819045895 47516706
39972266 597632895 4546595
2584201752 2580457211 100644566
2272135078 174545609 40291463
2819419661 2681101777 89335599
3239933336 3528823147 72816699
44518861 2232362178 145175982
2519969464 2377538160 64232288
1852478702 2770437376 313570784
2166049486 2441770448 106085592
4133995881 3866562601 160971415
1626150228 975660836 106177604
2908755260 422379995 175252900
3312750035 4178991584 115975712
1142288544 1324281099 483861684
833150172 1928293653 304068525
1732327832 1808142783 120150870
2684846318 39972266 134573343
3133663001 4027534016 58753629
189694843 602179490 373481346
3758375673 4086287645 92703939
3428725747 3199173221 329649926
1137218697 2547856040 5069847
4068485661 3133663001 65510220
590707513 1081838440 242442659
2312426541 214837072 207542923
563176189 2552925887 27531324
3851079612 3601639846 217406049
fertilizer-to-water map:
153835826 1814144363 127150990
1926426485 1614900585 14868868
2139872846 3136260217 42408895
3310771078 2202805875 59788141
83898078 1578023222 36877363
652411041 1574694502 3328720
2080480520 3785135933 59392326
3370559219 3272622808 82257970
3132498144 2037809941 164995934
2678755579 3455437189 65205729
3674754588 3844528259 234175097
2182281741 3520642918 59000325
570340096 1492623557 82070945
2779822218 2446205321 138940597
2037809941 2703025450 42670579
3515202222 2342244856 103960465
3998026660 4136896949 144793347
955105072 0 84792564
3452817189 3073875184 62385033
77176799 1459627033 6721279
4142820007 4078703356 58193593
280986816 1091602584 230166265
1701766245 1321768849 78671169
2987155826 2872940965 145342318
2418013523 3615504153 169631780
2587645303 2262594016 79650840
2667296143 3354880778 11459436
2743961308 3579643243 35860910
1880850385 1046026484 45576100
3297494078 4281690296 13277000
2918762815 2804547954 68393011
1854575140 1466348312 26275245
3908929685 3366340214 89096975
511153081 1400440018 59187015
655739761 864167436 181859048
120775441 1629769453 33060385
2241282066 2745696029 58851925
2300133991 2585145918 117879532
4201013600 3178669112 93953696
837598809 84792564 117506263
1039897636 202298827 661868609
3619162687 3018283283 55591901
0 1736967564 77176799
1780437414 1662829838 74137726
water-to-light map:
279076302 606101520 367597147
3291538704 3736283841 125013874
0 1709355698 279076302
2106348780 1988432000 822929157
2929277937 0 362260767
890514202 2811361157 924922684
3416552578 973698667 444745137
1815436886 1418443804 290911894
646673449 362260767 243840753
light-to-temperature map:
208346365 819874354 29069132
731840321 689055790 58614896
4186248520 4104876526 108718776
3429769554 3384048873 23936103
1459123931 2691296758 217855736
790455217 952719646 105546549
1416544830 2047230764 42579101
0 1202755810 208346365
1399364673 1598820754 17180157
2576491919 747670686 452381
901868462 2408707242 282589516
3626168682 4259315983 35651313
341191657 748123067 71751287
2721433915 1411102175 187718579
3822370242 3740998248 198425166
3245552556 4213595302 45720681
1676979667 100628240 254569707
896001766 2041364068 5866696
3291273237 3245552556 138496317
3661819995 3580448001 160550247
2063025564 380090092 308965698
4020795408 3939423414 165453112
237415497 848943486 103776160
1931549374 1909887878 131476190
2576944300 1058266195 144489615
717031505 2089809865 14808816
412942944 2104618681 304088561
1209350123 0 100628240
1309978363 1820501568 89386310
3453705657 3407984976 172463025
2371991262 1616000911 204500657
1184457978 355197947 24892145
temperature-to-humidity map:
4116612848 1770461885 178354448
475467700 3077125572 130863723
1272723717 1181397963 5578998
3758341401 495891106 279864899
1687813623 1591451985 2235236
2530388822 2518678506 215908033
2282034531 2032693852 208761140
1471990450 379604394 116286712
1817301926 3588566075 238614487
3086830522 2960704657 28309403
3692580145 2002277669 19886809
616860797 3221548716 360840790
3115139925 1226570112 16611162
336172750 170230298 133118381
977701587 1693223682 77238203
1366414227 775756005 105576223
2055916413 2734586539 226118118
4038206300 2287329439 78406548
3712466954 2241454992 45874447
3556277513 2516499157 2179349
1278302715 2989014060 88111512
1588277162 1593687221 99536461
2746296855 3827180562 340533667
469291131 3582389506 6176569
1054939790 1960273136 42004533
1247816059 3207989295 13559421
2490795671 1186976961 39593151
1261375480 1948816333 11348237
36107015 881332228 300065735
1096944323 2365735987 150763170
3131751087 303348679 76255715
3558456862 36107015 134123283
3208006802 1243181274 348270711
606331423 2022164478 10529374
1690048859 4167714229 127253067
1247707493 1960164570 108566
humidity-to-location map:
3760908805 3662107228 155796250
1580497895 3884288658 144897726
3166374808 442179790 213926492
121876139 656106282 138383174
393463083 2300882189 128101885
2948945727 3512929162 110263469
521564968 2652674020 210495874
1940349169 3864399213 19889445
1197505529 794489456 93759960
904168980 2539693608 75416982
1725395621 3623192631 38914597
2881030575 888249416 49678445
2116891732 1943237764 146499392
979585962 2615110590 37563430
3143485439 3262014106 22889369
791255257 4029186384 109003936
4209132419 4140663408 85834877
1764310218 192277746 165625801
2023373170 2466550792 73142816
4140663408 4226498285 68469011
2269931546 1003317103 611099029
1291265489 0 119152028
2930709020 3243777399 18236707
732060842 1884043349 59194415
1410417517 1614416132 170080378
1960238614 937927861 63134556
1929936019 2089737156 10413150
3380301300 2863169894 380607505
3916705055 3291443897 221485265
355896365 2428984074 37566718
2254686 3817903478 46495735
2096515986 2280506443 20375746
1017149392 2100150306 180356137
0 1001062417 2254686
260259313 1784496510 95637052
48750421 119152028 73125718
3059209196 357903547 84276243
2263391124 3284903475 6540422
900259193 1880133562 3909787

234
aoc2023/day05/main.go Normal file
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package main
import (
"bufio"
"fmt"
"os"
"sort"
"strconv"
"strings"
aoc "go.sour.is/advent-of-code"
)
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
minLocation int
minRange int
}
func run(scan *bufio.Scanner) (result, error) {
log("begin...")
var seeds []int
var seedRanges [][2]int
lookup := map[string]*Lookup{}
for scan.Scan() {
text := scan.Text()
if strings.HasPrefix(text, "seeds:") && len(seeds) == 0 {
seeds, seedRanges = readSeeds(text)
log("seeds", len(seeds), "ranges", len(seedRanges))
}
lookup = readMaps(scan)
log("lookups", len(lookup))
}
find := NewFinder(
lookup["seed-to-soil"],
lookup["soil-to-fertilizer"],
lookup["fertilizer-to-water"],
lookup["water-to-light"],
lookup["light-to-temperature"],
lookup["temperature-to-humidity"],
lookup["humidity-to-location"],
)
return result{findMinLocation(seeds, find), FindMinRangeLocationMulti(seedRanges, find)}, nil
}
func readSeeds(text string) ([]int, [][2]int) {
var seeds []int
var seedRanges [][2]int
for i, n := range aoc.SliceMap(aoc.Atoi, strings.Fields(strings.TrimPrefix(text, "seeds: "))...) {
seeds = append(seeds, n)
if i%2 == 0 {
seedRanges = append(seedRanges, [2]int{n, 0})
} else {
seedRanges[len(seedRanges)-1][1] = n
}
}
return seeds, seedRanges
}
func readMaps(scan *bufio.Scanner) map[string]*Lookup {
var cur *Lookup
lookup := make(map[string]*Lookup)
for scan.Scan() {
text := scan.Text()
if strings.HasSuffix(text, "map:") {
if cur != nil {
cur.Sort()
}
cur = &Lookup{}
title := strings.TrimSuffix(text, " map:")
lookup[title] = cur
}
numbers := strings.Fields(text)
if len(numbers) == 3 {
rng := make([]int, 3)
for i, s := range numbers {
n, _ := strconv.Atoi(s)
rng[i] = n
}
cur.Add(rng[1], rng[0], rng[2])
}
}
return lookup
}
func findMinLocation(seeds []int, find *Finder) int {
seedLocations := make([]int, len(seeds))
for i, s := range seeds {
seedLocations[i] = find.Find(s)
}
return min(seedLocations...)
}
func FindMinRangeLocation(ranges [][2]int, find *Finder) int {
results := 0
for _, r := range ranges {
results += r[1]
}
seedLocations := make([]int, 0, results)
for _, s := range ranges {
for i := 0; i < s[1]; i++ {
seedLocations = append(seedLocations, find.Find(s[0]+i))
}
}
return min(seedLocations...)
}
func FindMinRangeLocationMulti(ranges [][2]int, find *Finder) int {
worker := func(id int, jobs <-chan [2]int, results chan<- []int) {
for s := range jobs {
res := make([]int, s[1])
for i := 0; i < s[1]; i++ {
res[i] = find.Find(s[0] + i)
}
results <- res
}
}
numWorkers := 16
jobsCh := make(chan [2]int, numWorkers)
resultsCh := make(chan []int, len(ranges))
for w := 0; w < numWorkers; w++ {
go worker(w, jobsCh, resultsCh)
}
log("started workers", numWorkers)
go func() {
for i, s := range ranges {
log("job", i, "send", s)
jobsCh <- s
}
close(jobsCh)
}()
results := 0
for _, r := range ranges {
results += r[1]
}
log("expecting results", results)
seedLocations := make([]int, 0, results)
expectResults := make([]struct{}, len(ranges))
for range expectResults {
r := <-resultsCh
seedLocations = append(seedLocations, r...)
}
return min(seedLocations...)
}
type Range struct {
src int
dest int
len int
}
type Ranges []Range
func (r Ranges) Len() int { return len(r) }
func (r Ranges) Less(i, j int) bool { return r[i].src < r[j].src }
func (r Ranges) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
type Lookup struct {
ranges Ranges
}
func (l *Lookup) Add(src, dest, len int) {
if l == nil {
return
}
l.ranges = append(l.ranges, Range{src, dest, len})
}
func (l *Lookup) Sort() {
sort.Sort(sort.Reverse(l.ranges))
}
func (l *Lookup) Find(n int) int {
for _, r := range l.ranges {
if n >= r.src && n <= r.src+r.len {
diff := n - r.src
if diff < r.len {
return r.dest + diff
}
}
}
return n
}
type Finder struct {
stack []*Lookup
}
func NewFinder(stack ...*Lookup) *Finder {
return &Finder{stack: stack}
}
func (f *Finder) Find(n int) int {
// fmt.Print("Find: ")
for _, l := range f.stack {
// fmt.Print(n, "->")
n = l.Find(n)
// fmt.Print(n, " ")
}
// fmt.Println("")
return n
}
func min(arr ...int) int {
if len(arr) == 0 {
return 0
}
m := arr[0]
for _, a := range arr[1:] {
if m > a {
m = a
}
}
return m
}
func log(v ...any) {
fmt.Fprintln(os.Stderr, v...)
}

100
aoc2023/day05/main_test.go Normal file
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package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
r, err := run(scan)
is.NoErr(err)
is.Equal(r.minLocation, 35)
is.Equal(r.minRange, 46)
}
func SkipTestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
r, err := run(scan)
is.NoErr(err)
is.Equal(r.minLocation, 199602917)
is.Equal(r.minRange, 2254686)
}
func TestLookup(t *testing.T) {
is := is.New(t)
find := &Lookup{ranges: Ranges{
{98, 50, 2},
{50, 52, 48},
}}
is.Equal(find.Find(79), 81)
find = &Lookup{ranges: Ranges{
{77, 45, 23},
{45, 81, 19},
{64, 68, 13},
}}
is.Equal(find.Find(77), 45)
}
func TestFinder(t *testing.T) {
is := is.New(t)
find := NewFinder(
// seed-to-soil
&Lookup{ranges: Ranges{
{98, 50, 2},
{50, 52, 48},
}},
// soil-to-fertilizer
&Lookup{ranges: Ranges{
{15, 0, 37},
{52, 37, 2},
{0, 39, 15},
}},
// fertilizer-to-water
&Lookup{ranges: Ranges{
{53, 49, 8},
{11, 0, 42},
{0, 42, 7},
{7, 57, 4},
}},
// water-to-light
&Lookup{ranges: Ranges{
{18, 88, 7},
{25, 18, 70},
}},
// light-to-temperature
&Lookup{ranges: Ranges{
{77, 45, 23},
{45, 81, 19},
{64, 68, 13},
}},
// temperature-to-humidity
&Lookup{ranges: Ranges{
{69, 0, 1},
{0, 1, 69},
}},
// humidity-to-location
&Lookup{ranges: Ranges{
{56, 60, 37},
{93, 56, 4},
}},
)
is.Equal(find.Find(82), 46)
}

5
aoc2023/day07/example.txt Normal file
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@@ -0,0 +1,5 @@
32T3K 765
T55J5 684
KK677 28
KTJJT 220
QQQJA 483

1000
aoc2023/day07/input.txt Normal file
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File diff suppressed because it is too large Load Diff

1000
aoc2023/day07/input2.txt Normal file
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File diff suppressed because it is too large Load Diff

247
aoc2023/day07/main.go Normal file
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@@ -0,0 +1,247 @@
package main
import (
"bufio"
"fmt"
"sort"
aoc "go.sour.is/advent-of-code"
)
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 uint64
valuePT2 uint64
}
func run(scan *bufio.Scanner) (result, error) {
var game Game
for scan.Scan() {
var cards string
var bid int
_, err := fmt.Sscanf(scan.Text(), "%s %d", &cards, &bid)
if err != nil {
panic(err)
}
fmt.Println("cards", cards, "bid", bid)
game.plays = append(game.plays, Play{bid, []rune(cards), &game})
}
game.cardOrder = getOrder(cardTypes1)
product1 := calcProduct(game)
game.cardOrder = getOrder(cardTypes2)
game.wildCard = 'J'
product2 := calcProduct(game)
return result{product1, product2}, nil
}
var cardTypes1 = []rune{'A', 'K', 'Q', 'J', 'T', '9', '8', '7', '6', '5', '4', '3', '2'}
var cardTypes2 = []rune{'A', 'K', 'Q', 'T', '9', '8', '7', '6', '5', '4', '3', '2', 'J'}
func calcProduct(game Game) uint64 {
sort.Sort(game.plays)
var product uint64
for i, play := range game.plays {
rank := i + 1
fmt.Printf("play %d %s %d %s %x\n", rank, string(play.hand), play.bid, play.HandType(), play.HandStrength())
product += uint64(play.bid * rank)
}
return product
}
func getOrder(cardTypes []rune) map[rune]int {
cardOrder := make(map[rune]int, len(cardTypes))
for i, r := range cardTypes {
cardOrder[r] = len(cardTypes) - i
}
return cardOrder
}
type Game struct {
plays Plays
cardOrder map[rune]int
wildCard rune
}
type Play struct {
bid int
hand Hand
game *Game
}
type Hand []rune
func (h Play) HandType() string {
hc, _ := h.HighCard()
switch {
case h.IsFiveOfKind():
return "5K-" + string(hc)
case h.IsFourOfKind():
return "4K-" + string(hc)
case h.IsFullHouse():
return "FH-" + string(hc)
case h.IsThreeOfKind():
return "3K-" + string(hc)
case h.IsTwoPair():
return "2P-" + string(hc)
case h.IsOnePair():
return "1P-" + string(hc)
case h.IsHighCard():
return "HC-" + string(hc)
}
return "Uno"
}
func (h Play) HandStrength() int {
_, v := h.HighCard()
switch {
case h.IsFiveOfKind():
return 0x700000 | v
case h.IsFourOfKind():
return 0x600000 | v
case h.IsFullHouse():
return 0x500000 | v
case h.IsThreeOfKind():
return 0x400000 | v
case h.IsTwoPair():
return 0x300000 | v
case h.IsOnePair():
return 0x200000 | v
case h.IsHighCard():
return 0x100000 | v
}
return 0
}
func (h Play) IsFiveOfKind() bool {
_, _, _, _, has5 := h.game.hasSame(h.hand)
return has5
}
func (h Play) IsFourOfKind() bool {
_, _, _, has4, _ := h.game.hasSame(h.hand)
return has4
}
func (h Play) IsFullHouse() bool {
_, has2, has3, _, _ := h.game.hasSame(h.hand)
return has3 && has2
}
func (h Play) IsThreeOfKind() bool {
has1, _, has3, _, _ := h.game.hasSame(h.hand)
return has3 && has1
}
func (h Play) IsTwoPair() bool {
_, has2, has3, _, _ := h.game.hasSame(h.hand)
return !has3 && has2 && h.game.pairs(h.hand) == 2
}
func (h Play) IsOnePair() bool {
_, has2, has3, _, _ := h.game.hasSame(h.hand)
return !has3 && has2 && h.game.pairs(h.hand) == 1
}
func (h Play) IsHighCard() bool {
has1, has2, has3, has4, _ := h.game.hasSame(h.hand)
return has1 && !has2 && !has3 && !has4
}
func (h Play) HighCard() (rune, int) {
var i int
pairs := make(Pairs, 5)
cnt := h.game.Counts(h.hand)
for r, c := range cnt {
pairs[i].c = c
pairs[i].r = r
pairs[i].o = h.game.cardOrder[r]
i++
}
sort.Sort(sort.Reverse(pairs))
value := 0
for i, r := range h.hand {
if r == 0 {
continue
}
value |= h.game.cardOrder[r] << (4 * (4 - i))
}
return pairs[0].r, value
}
type Pairs []struct {
r rune
c int
o int
}
func (p Pairs) Len() int { return len(p) }
func (p Pairs) Less(i, j int) bool {
if p[i].c == p[j].c {
return p[i].o < p[j].o
}
return p[i].c < p[j].c
}
func (p Pairs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
type Plays []Play
func (p Plays) Len() int { return len(p) }
func (p Plays) Less(i, j int) bool { return p[i].HandStrength() < p[j].HandStrength() }
func (p Plays) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (g *Game) Counts(cards []rune) map[rune]int {
m := make(map[rune]int, len(g.cardOrder))
for _, c := range cards {
m[c]++
}
if g.wildCard != 0 && m[g.wildCard] > 0 {
var maxK rune
var maxV int
for k, v := range m {
if k != g.wildCard && v > maxV {
maxK, maxV = k, v
}
}
if maxK != 0 {
m[maxK] += m[g.wildCard]
delete(m, g.wildCard)
}
}
return m
}
func (g *Game) hasSame(cards []rune) (has1, has2, has3, has4, has5 bool) {
cnt := g.Counts(cards)
for _, c := range cnt {
switch c {
case 1:
has1 = true
case 2:
has2 = true
case 3:
has3 = true
case 4:
has4 = true
case 5:
has5 = true
}
}
return
}
func (g *Game) pairs(cards []rune) int {
pairs := 0
for _, n := range g.Counts(cards) {
if n == 2 {
pairs++
}
}
return pairs
}

74
aoc2023/day07/main_test.go Normal file
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@@ -0,0 +1,74 @@
package main
import (
"bufio"
"bytes"
"fmt"
"testing"
_ "embed"
"github.com/matryer/is"
)
// AKQJT98765432
// dcba987654321
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestHands(t *testing.T) {
is := is.New(t)
var game Game
game.cardOrder = getOrder(cardTypes1)
h := Play{0, []rune("AAA23"), &game}
is.Equal(h.HandType(), "3K-A")
h = Play{0, []rune("JJJJJ"), &game}
is.Equal(h.HandType(), "5K-J")
is.Equal(fmt.Sprintf("%x", h.HandStrength()), "7aaaaa")
h = Play{0, []rune("KKKKJ"), &game}
is.Equal(h.HandType(), "4K-K")
is.Equal(fmt.Sprintf("%x", h.HandStrength()), "6cccca")
h = Play{0, []rune("QQQJA"), &game}
is.Equal(h.HandType(), "3K-Q")
is.Equal(fmt.Sprintf("%x", h.HandStrength()), "4bbbad")
}
func TestPower(t *testing.T) {
for i := 1; i <= 13; i++ {
for j := 100; j < 800; j += 100 {
t.Log(i, j, i+j)
}
}
}
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
r, err := run(scan)
is.NoErr(err)
is.Equal(r.valuePT1, uint64(6440))
is.Equal(r.valuePT2, uint64(5905))
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
r, err := run(scan)
is.NoErr(err)
t.Log("score1", r.valuePT1)
is.Equal(r.valuePT1, uint64(248559379))
t.Log("score2", r.valuePT2)
is.Equal(r.valuePT2, uint64(249631254))
}

9
aoc2023/day08/example1.txt Normal file
View File

@@ -0,0 +1,9 @@
RL
AAA = (BBB, CCC)
BBB = (DDD, EEE)
CCC = (ZZZ, GGG)
DDD = (DDD, DDD)
EEE = (EEE, EEE)
GGG = (GGG, GGG)
ZZZ = (ZZZ, ZZZ)

5
aoc2023/day08/example2.txt Normal file
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LLR
AAA = (BBB, BBB)
BBB = (AAA, ZZZ)
ZZZ = (ZZZ, ZZZ)

10
aoc2023/day08/example3.txt Normal file
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LR
11A = (11B, XXX)
11B = (XXX, 11Z)
11Z = (11B, XXX)
22A = (22B, XXX)
22B = (22C, 22C)
22C = (22Z, 22Z)
22Z = (22B, 22B)
XXX = (XXX, XXX)

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LLLLRLRLRRLRRRLRRLRLRRLRLLRRRLRRLRRRLRLLLRLRRLRLLRRRLRRLRLRRLLRRRLRRRLRLRRLRRRLRRLRRLLRRRLLLLRRLRRLRRLRRRLLLRLRLRLRRLRRRLRLRRRLRLRRRLRRLRRLLRRLLRLRRRLRLRRRLLLRLRRRLRLRRRLRRLRLRRLRRRLRRRLRRLLLRRRLRRLRRLRRLRRRLLLRRLRLRRRLLLLRRRLRRLRRRLLRLRLRRLLRRRLLRLRLRLRRLRRLRRRLRRLLRLRRLRRLLLLRRLRLRRLLRRLLRRLRRLRRRLLLRRRR
BRR = (LVC, FSJ)
BHX = (GMG, QTN)
TJD = (HQF, PBJ)
JGN = (JXR, DGK)
NMC = (VPC, CRF)
DVJ = (KMM, DFJ)
LML = (MTG, KNX)
JKL = (LRX, FRD)
FJR = (MHX, SBX)
LMC = (QNB, QCK)
LJF = (KCJ, HCT)
KTL = (XTG, NGM)
GJB = (KTQ, KTQ)
BXR = (TDR, KMK)
GKB = (VXT, NQR)
PJL = (FPL, TFX)
LNZ = (CJC, DQL)
KCG = (KDL, LMF)
PGG = (NDL, XXC)
PMS = (XQM, DFG)
CJF = (MCG, RTJ)
JTH = (PGS, SGZ)
QBS = (JSC, KMT)
DQL = (KRR, PBL)
HSF = (SNP, KJR)
XVQ = (VQR, HSX)
QKF = (PBT, XLC)
DNA = (DQL, CJC)
LNF = (RVC, TJD)
MKT = (LDX, CGC)
BXP = (RGX, TTR)
SBX = (PGT, JGN)
JQK = (HDQ, BHQ)
MHL = (TLX, JDN)
BBD = (QNJ, BRM)
MTT = (BVK, DXB)
FVR = (VLN, PRV)
RVC = (HQF, PBJ)
LDX = (LRS, KBV)
BKF = (PXH, TNB)
BRM = (XTV, NGH)
DDL = (JNG, SFF)
BBT = (BQJ, BCN)
GPK = (CVK, DDL)
TLX = (BDN, XNT)
JHL = (BRX, QBT)
NTL = (HSR, DJD)
XBH = (PJX, JQK)
PPF = (LCT, BJL)
SFF = (FVR, NFG)
HNA = (CTC, BSG)
CNG = (DXM, QFN)
GML = (NRD, TVN)
RHH = (NBT, LJH)
LDM = (DDN, TRN)
XSK = (PLB, NVJ)
NCQ = (MDN, XGT)
FCQ = (HCT, KCJ)
DRC = (JKL, JNM)
SHR = (KLX, VLH)
FTP = (DRN, DKV)
QBF = (GVS, NXK)
GXK = (XDK, LVF)
KMK = (VXV, XCS)
PKK = (QNJ, BRM)
NJH = (TKL, PQK)
BRX = (MNM, HVC)
VTD = (BJK, LML)
QVX = (DVJ, DSF)
GRM = (JCV, SQB)
RDQ = (HCG, XMB)
RGX = (FCN, TPD)
HBH = (FPR, DHX)
PHM = (JSP, RCR)
NBT = (FRG, CMJ)
XRH = (HCB, FBM)
GMR = (FDJ, NJD)
MVG = (RDJ, QSD)
BDL = (JSB, TFN)
VXT = (MBM, JND)
TXC = (QDG, LTV)
SRL = (RRX, NDS)
SGN = (MPL, CBB)
HVH = (SLJ, CBC)
VPC = (CCG, QSJ)
KCJ = (CKC, TTD)
RLT = (LLT, VVL)
RXV = (KXQ, VBR)
FQS = (STP, BHX)
SGC = (RLJ, QGB)
XLX = (HRG, DGV)
XKV = (QQB, TNQ)
SLJ = (GTB, MPF)
PKV = (CQN, THS)
RPP = (QFT, TNK)
DKL = (MFC, MFC)
BCG = (FXM, GPR)
RFV = (DRC, MPD)
VVC = (FGN, CVL)
HQB = (QNT, VVC)
RRP = (VVC, QNT)
TRS = (RCM, GHN)
QBT = (HVC, MNM)
XKS = (SCC, VXX)
TPS = (FMH, KFN)
MTS = (VXT, NQR)
FXM = (LDM, FQT)
LNB = (XJV, SJN)
HVF = (QXC, RBH)
LSG = (QHM, TSM)
JMP = (HBH, NQK)
NGM = (KDP, HHP)
HCG = (SLR, TSC)
HGX = (DFG, XQM)
DLG = (BVN, GMM)
DJD = (VGP, VML)
HBT = (XKL, JBQ)
NVJ = (GKX, PKS)
CPS = (PKJ, RSV)
SKN = (NBT, LJH)
CCK = (TTJ, SLV)
DXM = (CBN, BXR)
RJD = (XJH, SKH)
RDJ = (CNF, TTG)
PKJ = (BCM, XKC)
FQL = (SRV, DFC)
KDS = (MFB, CLQ)
QKR = (VGD, CXK)
XXC = (NFD, SPS)
PSQ = (NJH, BLR)
BLR = (PQK, TKL)
LMX = (DGV, HRG)
GCK = (CSR, CSR)
GKJ = (JHL, PNN)
GVS = (TLN, LJX)
FPR = (JCH, GKD)
VQV = (DGB, GGN)
CPF = (VMH, JQQ)
GKD = (SGF, PHM)
JNM = (LRX, FRD)
CXV = (LNF, HGF)
TNK = (RRD, HKC)
DXX = (LMC, ZZZ)
DGG = (PPF, TRR)
MLH = (TVL, PBR)
LBC = (LJL, FTR)
FVQ = (TBC, LKB)
LTF = (CBC, SLJ)
TVH = (XMS, GJS)
SFB = (TTJ, SLV)
LVF = (MBT, SJB)
XPP = (QDM, PJL)
BVK = (RPV, JMP)
VGD = (MRX, FJR)
FRD = (XBH, CDN)
LKM = (CMF, XNS)
TCJ = (MMS, PGG)
DHQ = (MTT, BKS)
HDQ = (GPH, XKH)
KTJ = (QQT, MKR)
NMQ = (VFK, VSD)
RSK = (QDM, PJL)
XQC = (KFP, HVB)
LQN = (NGM, XTG)
TKG = (XDQ, XDQ)
KBB = (VQR, HSX)
TQQ = (QDG, LTV)
SQN = (TDQ, XKV)
TSM = (TSH, MRP)
KPH = (THS, CQN)
HCB = (DVL, RTV)
MLR = (GHT, NSN)
BFM = (GCK, SLX)
GXQ = (QKM, JJL)
GNF = (HRQ, XTK)
TRR = (BJL, LCT)
AAA = (QNB, QCK)
SDL = (KJX, LSN)
DKV = (KBB, XVQ)
RMR = (MQR, CPR)
MQC = (CBV, SRP)
PRV = (KDS, FBX)
GTB = (CCK, SFB)
SNP = (PXX, SHR)
NTR = (VHT, KXK)
MKJ = (DDL, CVK)
LSQ = (HSF, RMN)
TTJ = (CBH, QKF)
DNH = (MVG, JCJ)
KMM = (KPH, PKV)
NTT = (RQK, PFK)
QMF = (BFM, PJB)
RJB = (RBH, QXC)
LRS = (MJT, BVM)
CJG = (RMR, BMN)
DVQ = (GXM, DDH)
MFC = (LMC, LMC)
XTG = (HHP, KDP)
HKB = (RDQ, TVT)
PKS = (JQM, DGG)
BJK = (KNX, MTG)
TVT = (XMB, HCG)
JNR = (JHG, JLN)
VFK = (XKS, QBH)
NPC = (PKK, BBD)
PXX = (KLX, VLH)
XLC = (NST, BXP)
CBB = (LMX, XLX)
KLX = (MSH, LCF)
CLQ = (JNF, JNC)
TSS = (MKR, QQT)
SSS = (RMQ, RCS)
QSD = (TTG, CNF)
NHG = (DVQ, VNB)
CTC = (VCN, RJD)
THS = (QRH, GPT)
KDR = (RTK, GKJ)
NTD = (CGG, SPN)
GHP = (NCQ, FCD)
KXQ = (RLS, VRM)
GNV = (BQJ, BCN)
DXQ = (QHC, FXN)
RQB = (FVQ, TNF)
CNF = (TXC, TQQ)
BGB = (QQS, LRV)
ZZZ = (QCK, QNB)
NFM = (MGV, VTD)
MFD = (DBF, KSN)
NST = (RGX, TTR)
XJV = (LGL, LGL)
TRQ = (TVH, KJL)
PPV = (CJP, VHH)
DNV = (DBM, VGJ)
JBQ = (MHL, RFN)
HRG = (JFD, VQP)
RMB = (JKJ, JGJ)
RGQ = (RSK, XPP)
KHF = (TJG, KPX)
HPZ = (BSG, CTC)
LFJ = (TSN, NMB)
MBT = (XRC, PJR)
QFN = (CBN, BXR)
QSJ = (BRS, BKF)
XJH = (RSF, VNP)
GST = (LVF, XDK)
DDN = (NMS, RLT)
CXK = (FJR, MRX)
PHH = (FPB, TCJ)
XHV = (KTJ, TSS)
VHT = (NPC, DMG)
RNL = (NHG, DVN)
TKL = (KPN, FKX)
DGB = (GPJ, QMF)
PNN = (QBT, BRX)
TBC = (NTR, FKG)
PGS = (QDT, JQL)
SLX = (CSR, LNB)
BVV = (LVC, FSJ)
JQL = (MLH, GSC)
PXH = (CJF, CKM)
LHM = (DSF, DVJ)
NND = (NTD, DTB)
MFB = (JNF, JNC)
TTR = (FCN, TPD)
HRQ = (JTD, JTD)
SLR = (TXT, JSN)
VQP = (XPK, XGB)
QHM = (MRP, TSH)
RTJ = (PXB, TLP)
QQT = (RRL, QHQ)
CSR = (XJV, XJV)
CJP = (CJG, HQQ)
RMC = (MPD, DRC)
XMS = (LXX, GPN)
HSR = (VGP, VML)
MNM = (VSS, QXR)
SJN = (LGL, LNZ)
KBV = (MJT, BVM)
KFN = (NRC, VSG)
JNC = (RHR, LFJ)
MPF = (SFB, CCK)
QVK = (GNK, BCG)
NJD = (KCG, LDB)
DBM = (MJG, MFD)
NKF = (GGN, DGB)
BCN = (JNR, MHK)
GNK = (FXM, GPR)
KMT = (HFC, CPS)
FDJ = (KCG, LDB)
LVD = (PHH, QDR)
FCN = (VDP, MQC)
QQB = (GJB, GJB)
PLF = (JNL, HBT)
QDM = (FPL, TFX)
GXM = (CLD, NNL)
MRV = (BCG, GNK)
LKB = (NTR, FKG)
TTG = (TQQ, TXC)
GFD = (VSD, VFK)
RCS = (KQQ, DNH)
QXR = (FCQ, LJF)
HMQ = (RJQ, FQL)
VCN = (SKH, XJH)
QQG = (HSR, DJD)
HGF = (RVC, TJD)
XMB = (TSC, SLR)
PJB = (GCK, SLX)
HFC = (RSV, PKJ)
JJL = (GXK, GST)
QTN = (JLV, SGX)
KDP = (GNV, BBT)
VRF = (TFN, JSB)
GPN = (CPF, SRQ)
TSC = (TXT, JSN)
CRF = (QSJ, CCG)
TNF = (TBC, LKB)
VLH = (LCF, MSH)
BCV = (JSC, KMT)
NNL = (KVX, FQS)
RVT = (HCB, FBM)
QHC = (QKV, NCJ)
VDP = (CBV, SRP)
CBV = (VQV, NKF)
CMF = (XHV, TPR)
TRN = (RLT, NMS)
JSB = (XTH, TRS)
CFC = (TVT, RDQ)
KDL = (TKG, TKG)
TTD = (BBC, GHP)
KJR = (PXX, SHR)
MTV = (GVS, NXK)
BVN = (KDR, PVP)
DXB = (RPV, JMP)
FSJ = (QPQ, GML)
PBJ = (LQN, KTL)
PXB = (BDL, VRF)
NDS = (BGB, NGX)
CBN = (KMK, TDR)
NFG = (VLN, PRV)
JTD = (PGS, PGS)
MKR = (QHQ, RRL)
JSN = (RFV, RMC)
CVK = (SFF, JNG)
FGN = (BVQ, XQC)
HHF = (RPS, QQF)
PLB = (PKS, GKX)
BJB = (QMC, GPG)
STP = (QTN, GMG)
DGK = (RKK, BVT)
JJM = (VGD, CXK)
LTS = (QPN, BCL)
LVC = (QPQ, GML)
QNB = (GJN, RVB)
RBH = (HMQ, HPS)
NQK = (DHX, FPR)
MRP = (BDT, SGN)
JQM = (TRR, PPF)
TSH = (BDT, SGN)
JLN = (JCC, FCB)
BRP = (LDX, CGC)
SJC = (HRQ, HRQ)
LJL = (BVB, PPV)
SPN = (SDL, VHM)
SDM = (DDF, LTS)
LJH = (FRG, CMJ)
CMG = (MKD, JGT)
GPR = (LDM, FQT)
QPQ = (NRD, TVN)
JCJ = (RDJ, QSD)
HSX = (CMG, SHF)
VML = (RMB, MHC)
DHX = (JCH, GKD)
MTG = (FPX, SPD)
BDT = (MPL, CBB)
CJC = (PBL, KRR)
JLS = (LJL, FTR)
HQF = (LQN, KTL)
HQQ = (RMR, BMN)
QMC = (RBP, PXD)
RPV = (HBH, NQK)
JHG = (JCC, FCB)
TPD = (VDP, MQC)
BHQ = (XKH, GPH)
XKC = (HDD, GXR)
RPS = (KJP, KJP)
QNT = (CVL, FGN)
JSC = (HFC, CPS)
KXG = (DTB, NTD)
CKM = (RTJ, MCG)
FTD = (KPX, TJG)
VSD = (XKS, QBH)
MCG = (TLP, PXB)
XKH = (HLP, CXV)
TNB = (CJF, CKM)
XTH = (RCM, GHN)
DFN = (GMR, DSS)
LMF = (TKG, XST)
FMH = (NRC, VSG)
XCS = (JTS, GRM)
GVF = (NDS, RRX)
CXM = (HGX, PMS)
VRM = (XJT, DXQ)
JLV = (QVX, LHM)
JCH = (PHM, SGF)
NMS = (VVL, LLT)
BHS = (XJR, LKM)
CKC = (BBC, GHP)
CBH = (XLC, PBT)
PRL = (QFT, TNK)
SDF = (VTD, MGV)
RVB = (MLR, XHT)
GPT = (PLF, MJX)
KRR = (RVT, XRH)
GXR = (BVV, BRR)
NSN = (RGQ, JMQ)
KJX = (TCR, MSL)
PHL = (TSM, QHM)
MQR = (MTS, GKB)
XDK = (SJB, MBT)
NRC = (DGN, BJB)
JQQ = (LBC, JLS)
JTS = (JCV, SQB)
RLJ = (JJM, QKR)
DTB = (CGG, SPN)
BRS = (PXH, TNB)
SRV = (SPC, DNV)
MNP = (JJL, QKM)
KTQ = (XSK, XSK)
FPX = (SJC, GNF)
VBR = (VRM, RLS)
KSN = (HQB, RRP)
RJQ = (SRV, DFC)
BKS = (BVK, DXB)
BVB = (VHH, CJP)
XTK = (JTD, JTH)
PBT = (BXP, NST)
PVP = (RTK, GKJ)
QPN = (BCV, QBS)
QQF = (KJP, HPZ)
QRH = (PLF, MJX)
GHS = (BKN, TPS)
RCM = (MNP, GXQ)
DCT = (DDF, LTS)
JLC = (HGX, PMS)
VNC = (XSK, CXZ)
BQJ = (MHK, JNR)
SHF = (JGT, MKD)
FXN = (QKV, NCJ)
FPB = (PGG, MMS)
JGJ = (KXG, NND)
VBM = (PSQ, QKN)
GKX = (DGG, JQM)
DSF = (KMM, DFJ)
CMJ = (GPK, MKJ)
NCJ = (SDM, DCT)
MKD = (GQG, DHQ)
CFZ = (RQB, SHH)
RQK = (DKL, DKL)
XGT = (HPQ, VRQ)
SRP = (NKF, VQV)
BSG = (VCN, RJD)
XRC = (NFM, SDF)
DVL = (SRL, GVF)
HVB = (HXS, MLD)
MPD = (JNM, JKL)
JSP = (PHL, LSG)
BCR = (XJR, LKM)
PQK = (KPN, FKX)
FCD = (XGT, MDN)
MDL = (JLC, CXM)
FBX = (CLQ, MFB)
VNP = (RGM, GHS)
HMK = (RMN, HSF)
SJB = (PJR, XRC)
JFD = (XPK, XGB)
HHP = (GNV, BBT)
TVN = (VBM, KJN)
DMG = (PKK, BBD)
RGM = (BKN, TPS)
TRF = (KXQ, VBR)
XHT = (NSN, GHT)
DFJ = (KPH, PKV)
KJP = (CTC, BSG)
LLT = (NTS, LVD)
RMN = (SNP, KJR)
GSC = (TVL, PBR)
RSV = (XKC, BCM)
TLP = (VRF, BDL)
GGN = (GPJ, QMF)
XJR = (CMF, XNS)
GQG = (BKS, MTT)
JPN = (MRV, QVK)
RSF = (RGM, GHS)
QQS = (DLG, JPV)
DGV = (VQP, JFD)
JDN = (XNT, BDN)
LMA = (QDT, JQL)
QDG = (QGC, DTX)
HDD = (BVV, BRR)
RRD = (CNG, XLJ)
QBH = (VXX, SCC)
GPH = (HLP, CXV)
CVN = (MRV, QVK)
RLS = (XJT, DXQ)
QKN = (NJH, BLR)
NRD = (VBM, KJN)
NMB = (HVF, RJB)
XNT = (RXV, TRF)
XNS = (XHV, TPR)
SGX = (LHM, QVX)
NTS = (PHH, QDR)
SPS = (LTF, HVH)
KPX = (BCR, BHS)
GNM = (RPS, RPS)
CXZ = (NVJ, PLB)
VVL = (LVD, NTS)
VTC = (NHG, DVN)
PXD = (BHH, SSS)
TVL = (MKT, BRP)
TPR = (KTJ, TSS)
MJX = (JNL, HBT)
BKN = (FMH, KFN)
MBM = (BVC, FTP)
RTV = (GVF, SRL)
GPG = (PXD, RBP)
KXK = (DMG, NPC)
JPV = (GMM, BVN)
LXP = (VPC, CRF)
RMQ = (DNH, KQQ)
DRN = (KBB, XVQ)
MMS = (XXC, NDL)
GMG = (SGX, JLV)
MJT = (KHF, FTD)
XJT = (QHC, FXN)
JMQ = (XPP, RSK)
QCS = (TVH, KJL)
BVC = (DRN, DKV)
SPC = (DBM, VGJ)
SHH = (TNF, FVQ)
VGA = (PLB, NVJ)
RKK = (JPN, CVN)
SCC = (TRQ, QCS)
CDN = (JQK, PJX)
VSS = (LJF, FCQ)
JNF = (LFJ, RHR)
VGP = (MHC, RMB)
VGJ = (MJG, MFD)
QGC = (RHH, SKN)
RKJ = (KTQ, VNC)
DTX = (SKN, RHH)
HPQ = (VDR, SGC)
CCG = (BRS, BKF)
VLN = (FBX, KDS)
BHH = (RMQ, RCS)
BBC = (FCD, NCQ)
JCV = (GNM, GNM)
TNQ = (GJB, RKJ)
QNJ = (NGH, XTV)
GHT = (RGQ, JMQ)
LJX = (CFC, HKB)
TLN = (HKB, CFC)
PFK = (DKL, LFL)
PJR = (SDF, NFM)
JNG = (NFG, FVR)
PJX = (BHQ, HDQ)
VHH = (CJG, HQQ)
RTK = (PNN, JHL)
XGB = (MLN, SQN)
JCC = (NQX, NTT)
BVT = (CVN, JPN)
HPS = (RJQ, FQL)
TCR = (DFN, RHS)
LLA = (SHH, RQB)
NGX = (QQS, LRV)
SLV = (CBH, QKF)
BMN = (CPR, MQR)
XKL = (RFN, MHL)
CGG = (VHM, SDL)
KJN = (PSQ, QKN)
LDB = (KDL, LMF)
SPD = (SJC, GNF)
VDR = (RLJ, QGB)
DDF = (QPN, BCL)
KQQ = (MVG, JCJ)
DSS = (FDJ, NJD)
NFD = (HVH, LTF)
GPJ = (BFM, PJB)
LGL = (DQL, CJC)
TDQ = (QQB, TNQ)
RCR = (PHL, LSG)
SKH = (VNP, RSF)
DGN = (QMC, GPG)
NGH = (RNL, VTC)
TSN = (HVF, RJB)
MGV = (LML, BJK)
QHQ = (LXP, NMC)
KJL = (GJS, XMS)
RBP = (BHH, SSS)
QDR = (FPB, TCJ)
RHR = (NMB, TSN)
NXK = (LJX, TLN)
FCB = (NQX, NTT)
TFN = (TRS, XTH)
MJG = (KSN, DBF)
BVQ = (KFP, HVB)
GMM = (PVP, KDR)
MDN = (VRQ, HPQ)
LTV = (DTX, QGC)
LRV = (DLG, JPV)
MHC = (JKJ, JGJ)
DFC = (DNV, SPC)
LXV = (SHH, RQB)
PBL = (RVT, XRH)
BDN = (RXV, TRF)
JKJ = (KXG, NND)
MSH = (MTV, QBF)
NDL = (SPS, NFD)
FKG = (VHT, KXK)
PBR = (MKT, BRP)
VSG = (BJB, DGN)
RRX = (BGB, NGX)
NQR = (JND, MBM)
MRX = (MHX, SBX)
DVN = (DVQ, VNB)
HKC = (CNG, XLJ)
PGT = (JXR, DGK)
DBF = (HQB, RRP)
FRG = (GPK, MKJ)
DFG = (NMQ, GFD)
QDT = (MLH, GSC)
KVX = (STP, BHX)
LCT = (MDL, KCL)
LSN = (TCR, MSL)
TXT = (RMC, RFV)
MXM = (LXV, CFZ)
TJG = (BHS, BCR)
BCM = (GXR, HDD)
FKX = (NTL, QQG)
SRQ = (JQQ, VMH)
BCL = (BCV, QBS)
LRX = (CDN, XBH)
RHS = (DSS, GMR)
CLD = (FQS, KVX)
XLJ = (DXM, QFN)
KCL = (CXM, JLC)
HXS = (PRL, RPP)
JND = (BVC, FTP)
VQR = (SHF, CMG)
VNB = (DDH, GXM)
QGB = (JJM, QKR)
CVL = (BVQ, XQC)
RFN = (JDN, TLX)
FBM = (DVL, RTV)
TFX = (LSQ, HMK)
XQM = (NMQ, GFD)
BJL = (KCL, MDL)
FTR = (PPV, BVB)
KNX = (FPX, SPD)
MHK = (JHG, JLN)
TDR = (XCS, VXV)
HVC = (VSS, QXR)
QXC = (HPS, HMQ)
RRL = (NMC, LXP)
MLD = (PRL, RPP)
LCF = (MTV, QBF)
VXV = (JTS, GRM)
XTV = (RNL, VTC)
LFL = (MFC, DXX)
CBC = (GTB, MPF)
CQN = (GPT, QRH)
DDH = (NNL, CLD)
GHN = (GXQ, MNP)
JGT = (DHQ, GQG)
HCT = (CKC, TTD)
QCK = (GJN, RVB)
SGF = (JSP, RCR)
MPL = (XLX, LMX)
XDQ = (LXV, LXV)
MLN = (TDQ, XKV)
SGZ = (JQL, QDT)
VRQ = (SGC, VDR)
FPL = (LSQ, HMK)
SQB = (GNM, HHF)
MHX = (PGT, JGN)
QFT = (HKC, RRD)
LXX = (CPF, SRQ)
CPR = (GKB, MTS)
HLP = (LNF, HGF)
GJS = (GPN, LXX)
QKV = (DCT, SDM)
XST = (XDQ, MXM)
VXX = (QCS, TRQ)
KFP = (HXS, MLD)
MSL = (RHS, DFN)
NQX = (RQK, PFK)
CGC = (LRS, KBV)
FQT = (TRN, DDN)
VMH = (LBC, JLS)
VHM = (LSN, KJX)
JXR = (BVT, RKK)
KPN = (QQG, NTL)
QKM = (GST, GXK)
JNL = (XKL, JBQ)
BVM = (KHF, FTD)
XPK = (SQN, MLN)
GJN = (MLR, XHT)

149
aoc2023/day08/main.go Normal file
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@@ -0,0 +1,149 @@
package main
import (
"bufio"
"fmt"
"os"
"strings"
aoc "go.sour.is/advent-of-code"
)
func main() {
result, err := aoc.Runner(run)
if err != nil {
fmt.Println("ERR", err)
os.Exit(1)
}
fmt.Println("result", result)
}
type result struct {
stepsPT1 uint64
stepsPT2 uint64
}
func (r result) String() string {
return fmt.Sprintf("solution 1: %v\nsolution 2: %v\n", r.stepsPT1, r.stepsPT2)
}
func run(scan *bufio.Scanner) (*result, error) {
var path []rune
m := make(nodeMap)
for scan.Scan() {
text := scan.Text()
if len(text) == 0 {
continue
}
if len(path) == 0 {
fmt.Println("path", text)
path = []rune(strings.TrimSpace(text))
continue
}
n := &node{}
i, err := fmt.Sscanf(text, "%s = (%s %s", &n.value, &n.lvalue, &n.rvalue)
if err != nil {
return nil, err
}
n.lvalue = strings.TrimRight(n.lvalue, ",)")
n.rvalue = strings.TrimRight(n.rvalue, ",)")
m[n.value] = n
fmt.Println("value", i, n.value, n.lvalue, n.rvalue)
}
if err := m.mapNodes(); err != nil {
return nil, err
}
steps1 := m.SolvePT1(path)
steps2 := m.SolvePT2(path)
return &result{steps1, steps2}, nil
}
type node struct {
value string
lvalue, rvalue string
left, right *node
}
type nodeMap map[string]*node
func (m nodeMap) mapNodes() error {
for k, v := range m {
if ptr, ok := m[v.lvalue]; ok {
v.left = ptr
} else {
return fmt.Errorf("%s L-> %s not found", k, v.lvalue)
}
if ptr, ok := m[v.rvalue]; ok {
v.right = ptr
} else {
return fmt.Errorf("%s R-> %s not found", k, v.rvalue)
}
m[k] = v
}
return nil
}
func (m nodeMap) solver(start string, isEnd func(string) bool, path []rune) uint64 {
position, ok := m[start]
if !ok {
return 0
}
var i int
var steps uint64
for steps < ^uint64(0) {
steps++
if path[i] == 'R' {
// fmt.Println("step", steps, position.value, "R->", position.rvalue)
position = position.right
} else {
// fmt.Println("step", steps, position.value, "L->", position.lvalue)
position = position.left
}
if isEnd(position.value) {
break
}
i++
if i > len(path)-1 {
i = 0
}
}
return steps
}
func (m nodeMap) SolvePT1(path []rune) uint64 {
fmt.Println("---- PART 1 BEGIN ----")
defer fmt.Println("---- PART 1 END ----")
return m.solver("AAA", func(s string) bool { return s == "ZZZ" }, path)
}
func (m nodeMap) SolvePT2(path []rune) uint64 {
fmt.Println("---- PART 2 BEGIN ----")
defer fmt.Println("---- PART 2 END ----")
var starts []*node
for k, n := range m {
if strings.HasSuffix(k, "A") {
fmt.Println("start", k)
starts = append(starts, n)
}
}
loops := make([]uint64, len(starts))
for i, n := range starts {
loops[i] = m.solver(n.value, func(s string) bool { return strings.HasSuffix(s, "Z") }, path)
}
return aoc.LCM(loops...)
}

80
aoc2023/day08/main_test.go Normal file
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@@ -0,0 +1,80 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example1.txt
var example1 []byte
//go:embed example2.txt
var example2 []byte
//go:embed example3.txt
var example3 []byte
//go:embed input.txt
var input []byte
func TestExample1(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example1))
result, err := run(scan)
is.NoErr(err)
t.Log(result.stepsPT1)
is.Equal(result.stepsPT1, uint64(2))
}
func TestExample2(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example2))
result, err := run(scan)
is.NoErr(err)
t.Log(result.stepsPT1)
is.Equal(result.stepsPT1, uint64(6))
}
func TestExample3(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example3))
result, err := run(scan)
is.NoErr(err)
t.Log(result.stepsPT2)
is.Equal(result.stepsPT2, uint64(6))
}
func TestInput(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log("part1 solution", result.stepsPT1)
is.Equal(result.stepsPT1, uint64(14429))
t.Log("part2 solution", result.stepsPT2)
is.Equal(result.stepsPT2, uint64(10921547990923))
}
// first: 14429
// second: 10921547990923
// Brüt
// stops 1 steps 13201
// stops 2 steps 620447
// stops 3 steps 36606373
// stops 4 steps 2232988753
// stops 5 steps 149610246451

3
aoc2023/day09/example.txt Normal file
View File

@@ -0,0 +1,3 @@
0 3 6 9 12 15
1 3 6 10 15 21
10 13 16 21 30 45

200
aoc2023/day09/input.txt Normal file
View File

@@ -0,0 +1,200 @@
28 38 58 115 255 558 1167 2343 4564 8699 16328 30378 56447 105549 199601 381868 735876 1418100 2712150 5115341 9472583
24 34 56 103 191 343 593 990 1602 2520 3862 5777 8449 12101 16999 23456 31836 42558 56100 73003 93875
12 30 66 118 187 291 486 901 1807 3760 7885 16402 33536 67001 130303 246169 451478 804146 1392500 2347766 3860393
11 7 -1 -10 4 101 392 1052 2337 4631 8595 15584 28661 54781 109041 222274 453659 910327 1775963 3349730 6094694
13 26 56 110 200 360 677 1347 2785 5847 12267 25493 52275 105732 211455 420013 833076 1658291 3323777 6713131 13636877
24 36 50 68 92 124 166 220 288 372 474 596 740 908 1102 1324 1576 1860 2178 2532 2924
4 10 18 35 81 207 523 1232 2664 5299 9766 16819 27345 42607 65306 103013 177906 352348 792280 1916515 4732055
2 4 15 46 115 246 479 915 1841 4022 9326 21995 51143 115539 252570 534754 1099830 2205374 4328183 8346246 15873877
6 16 41 104 240 508 1016 1959 3670 6684 11815 20246 33632 54216 84958 129677 193206 281560 402117 563812 777344
10 24 59 127 240 410 649 969 1382 1900 2535 3299 4204 5262 6485 7885 9474 11264 13267 15495 17960
1 3 19 65 161 334 621 1072 1753 2749 4167 6139 8825 12416 17137 23250 31057 40903 53179 68325 86833
1 3 14 46 118 256 493 869 1431 2233 3336 4808 6724 9166 12223 15991 20573 26079 32626 40338 49346
5 20 54 111 200 339 551 863 1338 2203 4189 9270 22068 52271 118490 254073 515553 994838 1837662 3275301 5689494
11 19 37 74 152 315 630 1176 2019 3189 4728 6991 11599 23863 58350 151043 385257 945993 2232085 5082986 11226568
-6 -5 -1 6 16 29 45 64 86 111 139 170 204 241 281 324 370 419 471 526 584
19 44 79 123 175 234 299 369 443 520 599 679 759 838 915 989 1059 1124 1183 1235 1279
20 26 41 76 144 261 459 824 1572 3189 6707 14297 30581 65483 140200 299218 633600 1324592 2722729 5487182 10824554
2 13 49 134 316 686 1400 2714 5060 9211 16601 29879 53781 96407 171038 298877 513930 873445 1482345 2550372 4520094
7 22 55 116 218 381 645 1090 1862 3209 5540 9533 16335 27918 47680 81409 138761 235440 396309 659706 1083288
23 34 43 54 73 105 151 202 234 223 220 555 2284 8074 23894 62315 149406 340397 757350 1681105 3771572
-2 9 31 72 157 346 769 1701 3724 8065 17266 36441 75513 153008 302220 580858 1085650 1973817 3493849 6028622 10154597
17 35 83 175 326 554 878 1305 1800 2233 2292 1349 -1702 -8485 -20570 -37084 -47977 -18173 145725 659887 1980386
6 19 49 119 273 598 1257 2530 4856 8858 15310 24963 38082 53479 66865 68818 44405 -18660 -94790 -14282 809438
17 21 22 20 15 7 -4 -18 -35 -55 -78 -104 -133 -165 -200 -238 -279 -323 -370 -420 -473
8 23 59 139 312 672 1383 2710 5056 9005 15371 25253 40096 61758 92583 135480 194008 272467 375995 510671 683624
9 16 34 63 103 154 216 289 373 468 574 691 819 958 1108 1269 1441 1624 1818 2023 2239
8 19 59 140 275 481 794 1315 2308 4381 8817 18206 37692 77458 157694 318613 640892 1287715 2591041 5226414 10560561
8 21 37 57 82 107 117 88 -4 -163 -339 -377 54 1555 5117 12270 25264 47285 82709 137397 219034
22 34 44 52 58 62 64 64 62 58 52 44 34 22 8 -8 -26 -46 -68 -92 -118
28 57 114 220 416 779 1446 2651 4785 8494 14832 25483 43057 71450 116238 185052 287858 437047 647230 934638 1316054
16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96
28 39 48 62 97 180 347 630 1022 1413 1518 905 -557 -1064 7553 50137 189888 570667 1494764 3559032 7883557
5 0 3 30 106 262 542 1035 1947 3728 7269 14184 27192 50614 91000 157901 264801 430224 679031 1043922 1567158
4 21 55 119 239 461 864 1591 2913 5356 9967 18894 36631 72557 145803 294037 588486 1158435 2229571 4181885 7634411
8 11 15 33 81 182 384 805 1728 3777 8206 17321 35023 67400 123199 213865 352632 551879 817609 1139457 1474069
6 15 30 69 162 358 754 1560 3223 6658 13679 27799 55705 109973 214073 411584 783020 1476065 2758724 5110417 9373988
18 26 37 54 84 138 231 382 614 954 1433 2086 2952 4074 5499 7278 9466 12122 15309 19094 23548
3 -2 -7 -12 -17 -22 -27 -32 -37 -42 -47 -52 -57 -62 -67 -72 -77 -82 -87 -92 -97
16 32 61 121 242 466 847 1451 2356 3652 5441 7837 10966 14966 19987 26191 33752 42856 53701 66497 81466
13 35 79 160 302 554 1015 1865 3399 6061 10475 17470 28096 43628 65555 95551 135425 187047 252247 332684 429682
13 6 -9 -20 11 156 538 1364 2981 5967 11279 20495 36207 62647 106658 179157 297277 487420 789503 1262734 1993315
14 11 18 51 141 348 790 1714 3660 7803 16602 34939 71995 144184 279550 524126 950858 1671811 2854498 4743307 7687145
2 7 22 56 123 242 437 737 1176 1793 2632 3742 5177 6996 9263 12047 15422 19467 24266 29908 36487
19 34 68 128 220 349 519 733 993 1300 1654 2054 2498 2983 3505 4059 4639 5238 5848 6460 7064
21 48 85 132 195 292 468 836 1684 3739 8772 20876 48964 111327 243473 510946 1029407 1994954 3728471 6738732 11810049
11 27 55 108 210 394 696 1143 1733 2405 2997 3190 2436 -132 -5810 -16455 -34641 -63841 -108637 -174960 -270362
12 12 12 25 90 292 791 1869 4012 8064 15537 29266 54829 103647 199701 393835 793523 1623291 3344337 6885726 14081159
5 13 31 72 164 358 736 1410 2499 4070 6039 8076 9700 11088 15835 38309 120943 371965 1044017 2693426 6497234
-1 -4 4 46 162 411 867 1607 2698 4206 6273 9338 14615 24985 46510 90835 178809 345728 648682 1176574 2063472
8 16 23 40 92 216 455 847 1408 2108 2839 3374 3316 2036 -1401 -8323 -20552 -40520 -71401 -117260 -183220
27 54 93 143 215 340 581 1059 2009 3892 7603 14833 28665 54510 101519 184641 327535 566586 956321 1576571 2541779
18 25 37 63 114 201 333 515 746 1017 1309 1591 1818 1929 1845 1467 674 -679 -2763 -5777 -9950
11 23 58 131 266 508 956 1834 3618 7240 14408 28142 53779 101035 188408 352630 668776 1292502 2547568 5104551 10339633
20 30 55 112 230 464 919 1792 3444 6514 12092 22012 39486 70717 129039 244932 488666 1018738 2181538 4711697 10130222
8 15 22 29 36 43 50 57 64 71 78 85 92 99 106 113 120 127 134 141 148
8 17 18 5 -32 -110 -256 -510 -928 -1585 -2578 -4029 -6088 -8936 -12788 -17896 -24552 -33091 -43894 -57391 -74064
0 6 28 73 155 304 573 1043 1826 3066 4938 7645 11413 16484 23107 31527 41972 54638 69672 87153 107071
8 14 26 39 49 61 112 320 974 2687 6657 15139 32341 66134 131237 254984 487637 921079 1723959 3210704 5981290
-3 6 32 88 209 468 1005 2092 4276 8669 17497 35106 69812 137381 267702 517614 995199 1904592 3626038 6854228 12829699
16 14 18 32 52 64 53 40 180 979 3722 11247 29252 68383 147421 297965 571096 1046604 1845466 3146378 5207268
0 19 60 146 330 708 1432 2721 4864 8205 13096 19800 28322 38142 47820 54439 52848 34663 -13020 -109250 -281238
19 37 70 119 185 269 372 495 639 805 994 1207 1445 1709 2000 2319 2667 3045 3454 3895 4369
8 18 30 51 92 174 350 764 1787 4310 10347 24225 54843 119816 252855 516572 1024178 1975442 3715028 6825207 12270294
9 31 64 108 163 229 306 394 493 603 724 856 999 1153 1318 1494 1681 1879 2088 2308 2539
27 36 46 65 110 223 504 1178 2725 6116 13214 27417 54640 104755 193632 345950 598975 1007532 1650430 2638633 4125506
-3 -9 -19 -25 -9 63 252 660 1449 2882 5441 10155 19412 38768 80661 171586 365345 766697 1572457 3141343 6110353
9 13 16 19 30 81 256 730 1819 4041 8188 15409 27304 46029 74412 116080 175597 258613 372024 524143 724882
8 17 26 35 44 53 62 71 80 89 98 107 116 125 134 143 152 161 170 179 188
13 29 69 150 300 564 1014 1770 3055 5340 9688 18482 36824 75023 152753 305660 595433 1124631 2057879 3651414 6293380
19 39 64 101 169 299 534 929 1551 2479 3804 5629 8069 11251 15314 20409 26699 34359 43576 54549 67489
26 48 79 119 168 226 293 369 454 548 651 763 884 1014 1153 1301 1458 1624 1799 1983 2176
16 28 45 62 80 120 240 563 1330 3003 6482 13603 28310 59352 126262 272164 590489 1279633 2753130 5858989 12311553
16 27 38 49 60 71 82 93 104 115 126 137 148 159 170 181 192 203 214 225 236
16 26 52 107 212 412 806 1601 3204 6384 12578 24502 47411 91748 178785 352718 706597 1437520 2962583 6158201 12843931
15 23 44 100 234 527 1138 2396 4995 10379 21457 43857 88008 172421 328611 608145 1092295 1904695 3227218 5318970 8537806
19 35 67 125 219 359 555 817 1155 1579 2099 2725 3467 4335 5339 6489 7795 9267 10915 12749 14779
14 9 -2 -25 -60 -96 -107 -38 250 1146 3714 10678 28555 72047 172745 395881 871826 1854119 3824278 7677249 15042442
0 14 48 119 263 559 1175 2446 5004 10002 19512 37235 69743 128583 233715 418934 740144 1287614 2203656 3707527 6129775
-6 -13 -11 9 54 127 233 409 798 1797 4331 10342 23629 51210 105348 206191 384454 682459 1149765 1826027 2697892
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6
9 15 23 41 93 228 528 1127 2265 4422 8622 17094 34685 71869 151157 320706 682873 1452897 3076233 6455943 13379245
26 38 54 85 154 309 648 1354 2736 5284 9786 17637 31605 57512 107535 206117 399770 772302 1467138 2718337 4891512
7 2 -4 -11 -19 -28 -38 -49 -61 -74 -88 -103 -119 -136 -154 -173 -193 -214 -236 -259 -283
17 40 72 120 202 355 665 1340 2867 6327 14000 30508 64985 135242 275772 552897 1092529 2128842 4085140 7700052 14210216
-3 -4 -7 -12 -19 -28 -39 -52 -67 -84 -103 -124 -147 -172 -199 -228 -259 -292 -327 -364 -403
9 21 38 62 99 161 268 450 749 1221 1938 2990 4487 6561 9368 13090 17937 24149 31998 41790 53867
2 9 39 99 204 393 760 1519 3132 6545 13600 27720 54996 105835 197349 356668 625334 1064865 1763453 2843561 4469892
20 33 49 75 125 228 457 1004 2337 5480 12453 26893 54846 105671 192927 335020 555266 880875 1340177 1957191 2742379
18 21 16 6 5 57 270 860 2190 4774 9202 15936 24945 35235 44593 50493 54394 73951 171296 510662 1464845
10 11 18 38 71 100 71 -142 -790 -2316 -5409 -10945 -19511 -29701 -33227 -2480 138638 579164 1757487 4641596 11293649
25 33 43 67 138 323 742 1611 3346 6797 13731 27756 55976 111792 219447 421300 789851 1449309 2618271 4700169 8479106
27 42 62 88 120 169 286 615 1492 3635 8492 18826 39628 79522 153115 285551 522357 951296 1749478 3279940 6279276
-1 11 47 125 280 574 1106 2022 3525 5885 9449 14651 22022 32200 45940 64124 87771 118047 156275 203945 262724
13 21 51 115 225 393 631 951 1365 1885 2523 3291 4201 5265 6495 7903 9501 11301 13315 15555 18033
20 35 53 83 140 245 425 713 1148 1775 2645 3815 5348 7313 9785 12845 16580 21083 26453 32795 40220
10 26 63 132 248 429 694 1074 1663 2751 5098 10427 22235 47044 96239 188667 354200 638496 1109225 1864062 3040786
6 -1 -9 -15 -17 -13 13 141 635 2188 6391 16606 39556 88146 186315 377108 735668 1389501 2549183 4553679 7935653
9 15 43 117 265 514 885 1388 2017 2745 3519 4255 4833 5092 4825 3774 1625 -1997 -7533 -15495 -26471
7 22 41 65 106 207 489 1245 3117 7431 16845 36609 76972 157632 315649 618971 1188707 2234572 4109585 7392185 13006510
10 9 5 -1 3 51 224 700 1840 4321 9327 18809 35825 64971 112914 189038 306214 481705 738217 1105107 1619759
12 16 30 69 148 282 486 775 1164 1668 2302 3081 4020 5134 6438 7947 9676 11640 13854 16333 19092
1 0 10 42 98 172 270 462 979 2368 5718 12970 27324 53756 99658 175614 296325 481696 758098 1159818 1730710
8 19 38 73 142 283 562 1079 1973 3430 5708 9217 14739 23954 40566 72513 136014 262573 510546 983505 1858428
9 24 57 114 205 359 643 1184 2197 4026 7209 12582 21441 35785 58667 94684 150641 236428 366153 559578 843909
8 14 22 32 44 58 74 92 112 134 158 184 212 242 274 308 344 382 422 464 508
24 34 44 54 64 74 84 94 104 114 124 134 144 154 164 174 184 194 204 214 224
16 30 63 126 233 405 686 1187 2184 4316 8979 19130 40965 87415 185254 389023 807192 1649322 3307839 6494862 12463897
-7 -7 1 32 121 335 787 1666 3321 6479 12739 25563 52073 106047 212569 414805 783321 1428197 2513885 4276266 7040633
-2 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58
13 27 38 41 36 48 177 688 2156 5707 13455 29337 60698 121182 235783 449463 842011 1554867 2842648 5177133 9461476
15 42 93 182 326 549 884 1374 2086 3178 5119 9300 19562 45721 111199 268798 632393 1439844 3177921 6832092 14389654
7 28 73 151 265 408 559 679 707 556 109 -785 -2315 -4712 -8253 -13265 -20129 -29284 -41231 -56537 -75839
8 5 13 42 97 177 284 446 766 1532 3473 8340 20149 47680 109278 241921 518597 1082840 2220086 4508651 9140126
17 27 40 71 149 317 632 1165 2001 3239 4992 7387 10565 14681 19904 26417 34417 44115 55736 69519 85717
24 37 47 65 117 257 594 1347 2963 6367 13474 28217 58615 120994 248715 510261 1046343 2144574 4386122 8926186 18016274
11 16 36 80 158 277 445 706 1254 2711 6703 16929 40991 93338 199774 404089 777493 1431666 2536382 4342822 7213860
0 -2 8 48 141 321 657 1303 2580 5096 9915 18799 34571 61685 107144 181982 303624 499562 812938 1310810 2096097
4 15 39 91 211 473 995 1967 3741 7078 13740 27774 58093 123376 261026 543285 1106377 2204300 4310572 8314176 15899538
-7 6 36 87 163 272 446 788 1568 3411 7651 16966 36460 75419 150039 287505 531891 952452 1654990 2797097 4608209
13 29 56 95 152 244 405 692 1191 2023 3350 5381 8378 12662 18619 26706 37457 51489 69508 92315 120812
15 27 59 125 237 417 722 1283 2361 4428 8300 15415 28528 53504 103742 210470 445527 969865 2133765 4678765 10135083
20 31 57 122 274 596 1223 2377 4439 8101 14695 26909 50338 96812 191434 387177 794467 1639641 3377468 6902112 13932807
10 37 91 200 416 820 1528 2716 4696 8091 14175 25464 46666 86122 157896 284700 501870 862641 1445003 2360456 3765020
6 24 54 95 153 251 440 812 1516 2778 4926 8421 13895 22197 34448 52106 77042 111628 158838 222363 306741
9 24 49 84 125 162 193 281 693 2172 6405 16762 39393 84782 169869 320863 576881 994560 1653801 2664816 4176661
3 10 23 57 149 386 945 2142 4499 8866 16685 30566 55492 101260 187366 352765 675303 1309938 2562335 5026719 9836291
15 29 55 109 226 481 1024 2134 4299 8344 15672 28779 52397 95981 178896 340733 660899 1294259 2533505 4914517 9388784
14 33 78 166 331 644 1248 2423 4711 9165 17861 34963 68917 136884 273538 548338 1099300 2198986 4383250 8701159 17195603
7 5 5 7 11 17 25 35 47 61 77 95 115 137 161 187 215 245 277 311 347
0 2 9 21 38 60 87 119 156 198 245 297 354 416 483 555 632 714 801 893 990
8 11 29 79 200 478 1087 2365 4957 10076 19965 38689 73433 136495 248086 439830 758518 1269449 2059289 3241351 4974534
9 26 71 154 282 459 686 961 1279 1632 2009 2396 2776 3129 3432 3659 3781 3766 3579 3182 2534
-8 -9 -1 23 70 147 261 419 628 895 1227 1631 2114 2683 3345 4107 4976 5959 7063 8295 9662
14 38 88 183 349 621 1047 1694 2656 4064 6098 9001 13095 18799 26649 37320 51650 70666 95612 127979 169537
1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61
10 17 33 71 156 319 593 1016 1655 2681 4550 8393 16823 35591 76964 166498 356232 749489 1545759 3118955 6149158
-2 5 20 55 147 378 896 1945 3924 7507 13868 25067 44665 78648 136752 234293 394618 652305 1057252 1679807 2617103
-2 -3 -3 12 76 250 640 1443 3044 6202 12405 24581 48599 96524 193673 393656 809674 1677915 3482413 7194006 14714566
-5 -2 2 11 40 131 388 1045 2594 6015 13162 27362 54272 103007 187497 327953 552225 896728 1406510 2133961 3135644
-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21
6 23 51 90 140 201 273 356 450 555 671 798 936 1085 1245 1416 1598 1791 1995 2210 2436
22 44 78 135 237 421 758 1410 2772 5783 12540 27421 59046 123639 250801 493519 945638 1772306 3262446 5917591 10599023
24 37 60 106 197 375 727 1435 2867 5730 11311 21837 40990 74618 131688 225532 375442 608675 962934 1489396 2256363
12 20 49 112 222 392 635 964 1392 1932 2597 3400 4354 5472 6767 8252 9940 11844 13977 16352 18982
2 7 24 61 126 227 372 569 826 1151 1552 2037 2614 3291 4076 4977 6002 7159 8456 9901 11502
12 11 22 60 158 379 821 1618 2953 5122 8728 15159 27666 53731 110255 234858 510014 1112985 2415218 5172306 10872818
17 24 49 120 294 677 1456 2952 5715 10719 19792 36560 68444 130715 254454 501802 994701 1968430 3870295 7539464 14530122
25 40 65 122 253 535 1117 2293 4630 9184 17861 34010 63355 115342 204806 353380 588983 939636 1414390 1959381 2372399
25 52 90 138 195 260 332 410 493 580 670 762 855 948 1040 1130 1217 1300 1378 1450 1515
0 2 24 87 221 468 885 1547 2550 4014 6086 8943 12795 17888 24507 32979 43676 57018 73476 93575 117897
19 32 61 117 214 369 603 947 1457 2242 3509 5629 9228 15307 25395 41739 67535 107204 166717 253973 379234
23 32 38 44 60 103 197 373 669 1130 1808 2762 4058 5769 7975 10763 14227 18468 23594 29720 36968
4 11 19 35 76 180 439 1069 2539 5797 12662 26510 53500 104832 201057 380617 717363 1357502 2598934 5062820 10063437
10 19 23 14 -24 -121 -314 -610 -897 -761 888 6598 22021 59353 144459 331532 733040 1580211 3343069 6963206 14293206
3 17 48 105 201 354 600 1028 1847 3495 6800 13203 25053 45984 81384 138966 229451 367373 572016 868493 1288977
-4 -3 10 49 132 289 583 1147 2252 4449 8873 17855 36050 72341 142802 274973 513588 927669 1618516 2727541 4442064
19 39 74 133 236 422 765 1415 2696 5313 10758 22099 45557 93732 192181 392487 797276 1606233 3197558 6267150 12058959
-7 -10 -13 -16 -19 -22 -25 -28 -31 -34 -37 -40 -43 -46 -49 -52 -55 -58 -61 -64 -67
21 44 74 122 221 432 849 1603 2865 4848 7808 12044 17897 25748 36015 49149 65629 85956 110646 140222 175205
18 26 39 66 116 198 321 494 726 1026 1403 1866 2424 3086 3861 4758 5786 6954 8271 9746 11388
21 40 78 164 356 766 1605 3259 6420 12322 23187 43106 79841 148586 279840 535679 1042583 2055644 4079972 8092520 15934162
20 37 62 95 136 185 242 307 380 461 550 647 752 865 986 1115 1252 1397 1550 1711 1880
0 2 15 48 121 283 642 1407 2942 5832 10961 19602 33519 55081 87388 134409 201132 293726 419715 588164 809877
8 13 15 13 15 42 131 338 755 1592 3455 8105 20256 51423 127543 303162 686530 1482119 3060047 6065853 11589253
12 30 59 93 125 157 214 361 722 1498 2987 5640 10262 18599 34737 67942 137708 281702 566759 1101727 2048287
-3 10 49 127 264 492 863 1464 2440 4028 6633 11078 19417 37246 79490 183510 436575 1030078 2361565 5219525 11107638
16 33 54 90 174 378 846 1849 3867 7702 14625 26559 46299 77769 126315 199032 305122 456279 667096 955488 1343124
19 43 88 176 343 647 1194 2198 4111 7897 15598 31482 64323 131829 269087 544536 1090317 2160903 4249054 8320480 16296305
22 41 67 112 212 447 969 2039 4084 7808 14445 26357 48398 90840 175255 345646 688410 1366499 2675535 5132758 9613680
12 25 47 89 162 277 445 677 984 1377 1867 2465 3182 4029 5017 6157 7460 8937 10599 12457 14522
5 0 -7 -1 49 197 534 1225 2596 5304 10634 21018 41034 79540 154415 302881 602927 1215420 2462671 4968277 9895903
-9 -14 -15 1 65 237 627 1430 2974 5775 10594 18507 31038 50464 80459 127293 201992 324897 538038 942790 1811370
2 4 0 -10 -11 41 233 709 1684 3458 6430 11112 18143 28303 42527 61919 87766 121552 164972 219946 288633
7 26 67 150 317 656 1342 2714 5434 10819 21508 42739 84695 166680 324376 622208 1174037 2177180 3967333 7105608 12513901
12 22 38 64 119 247 532 1123 2276 4424 8309 15295 28210 53572 107038 225653 493336 1090494 2385292 5093646 10548309
14 12 10 19 59 159 357 700 1244 2054 3204 4777 6865 9569 12999 17274 22522 28880 36494 45519 56119
2 14 43 115 280 632 1341 2710 5286 10076 18959 35465 66244 123814 231609 433008 806986 1494370 2740499 4962479 8852304
16 36 82 165 307 556 1007 1841 3405 6374 12066 23034 44170 84820 163047 314653 612780 1210538 2432293 4964944 10250289
10 8 10 20 58 188 557 1451 3382 7223 14402 27147 48738 83665 137509 216252 324578 462546 619794 766166 837338
9 22 46 85 154 288 571 1200 2601 5616 11777 23672 45407 83249 146871 252546 431725 752582 1369644 2629419 5280540
16 20 35 87 210 449 878 1653 3133 6129 12402 25663 53593 111897 232285 477770 971150 1946550 3840269 7447123 14183748
22 44 94 197 405 821 1643 3250 6376 12465 24392 47913 94545 187207 371116 734593 1448530 2841203 5540681 10747619 20760527
4 15 42 101 226 487 1024 2115 4318 8768 17778 36006 72647 145461 288069 563007 1084756 2059673 3853830 7105719 12909204
15 23 48 115 271 611 1319 2724 5371 10107 18182 31365 52075 83527 129893 196478 289911 418351 591708 821879 1122999
7 6 17 48 107 202 341 532 783 1102 1497 1976 2547 3218 3997 4892 5911 7062 8353 9792 11387
-4 3 25 70 153 309 619 1270 2682 5750 12268 25628 51937 101824 193553 358902 655155 1190487 2177891 4048307 7684230
-2 4 19 40 65 112 264 766 2210 5847 14057 30979 63235 120551 215877 364424 581237 878545 1269600 1800115 2661524
18 30 45 58 64 58 35 -10 -82 -186 -327 -510 -740 -1022 -1361 -1762 -2230 -2770 -3387 -4086 -4872
8 20 59 143 292 523 844 1247 1700 2138 2453 2483 2000 697 -1826 -6077 -12688 -22432 -36241 -55225 -80692
11 12 8 -7 -28 -26 65 361 1041 2360 4662 8393 14114 22514 34423 50825 72871 101892 139412 187161 247088
6 6 19 54 113 189 264 307 272 96 -303 -1028 -2205 -3985 -6546 -10095 -14870 -21142 -29217 -39438 -52187
26 40 63 112 222 455 906 1708 3036 5116 8278 13187 21602 38439 76677 167925 383519 874229 1941697 4162964 8603981
12 19 31 58 110 209 412 843 1741 3551 7128 14215 28539 58216 120779 253209 531098 1103839 2256973 4519124 8840092
14 28 47 71 102 153 266 539 1162 2462 4957 9419 16946 29043 47712 75551 115862 172768 251339 357727 499310
19 22 38 89 208 457 958 1941 3833 7447 14380 27796 53861 104226 200137 378978 704206 1279303 2264473 3888958 6437241
20 38 83 177 353 665 1204 2120 3650 6152 10145 16355 25767 39683 59786 88210 127616 181274 253151 348005 471485
18 33 52 75 103 147 258 596 1573 4137 10313 24197 53757 114135 233848 466630 914030 1767831 3387708 6439669 12137157
16 32 61 98 136 164 171 173 281 836 2678 7743 20501 51456 125378 299753 704238 1621680 3648963 8007452 17127734
0 9 25 62 141 293 566 1037 1844 3286 6097 12096 25583 56164 124287 271914 582905 1221701 2506400 5046590 10003946
-4 12 56 141 280 486 772 1151 1636 2240 2976 3857 4896 6106 7500 9091 10892 12916 15176 17685 20456

134
aoc2023/day09/main.go Normal file
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@@ -0,0 +1,134 @@
package main
import (
"bufio"
"cmp"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
)
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
var log = aoc.Log
func run(scan *bufio.Scanner) (*result, error) {
var histories [][]int
var values []int
var rvalues []int
for scan.Scan() {
text := scan.Text()
if len(text) == 0 {
continue
}
histories = append(histories, aoc.ReadStringToInts(strings.Fields(text)))
log(last(histories...))
values = append(values, predictNext(last(histories...)))
rvalues = append(rvalues, predictPrev(last(histories...)))
}
log("values", values)
log("rvalues", rvalues)
return &result{valuePT1: sum(values...), valuePT2: sum(rvalues...)}, nil
}
func predictNext(in []int) int {
log(" ---- PREDICT NEXT ----")
defer log(" ----------------------")
history := makeHistory(in)
aoc.Reverse(history)
return predict(history, func(a, b int) int { return a + b })
}
func predictPrev(in []int) int {
log(" ---- PREDICT PREV ----")
defer log(" ----------------------")
history := makeHistory(in)
for i := range history {
aoc.Reverse(history[i])
}
aoc.Reverse(history)
return predict(history, func(a, b int) int { return b - a })
}
func predict(history [][]int, diff func(a, b int) int) int {
log(" ---- PREDICT ----")
defer log(" -----------------")
for i := range history[1:] {
lastHistory, curHistory := last(history[i]...), last(history[i+1]...)
history[i+1] = append(history[i+1], diff(lastHistory, curHistory))
log(lastHistory, curHistory, last(history[i+1]))
}
log("last", last(history...))
return last(last(history...)...)
}
func makeHistory(in []int) [][]int {
var history [][]int
history = append(history, in)
for {
var diffs []int
current := history[len(history)-1]
for i := range current[1:] {
diffs = append(diffs, current[i+1]-current[i])
}
history = append(history, diffs)
log(diffs)
if max(diffs[0], diffs[1:]...) == 0 && min(diffs[0], diffs[1:]...) == 0 {
break
}
}
return history
}
func max[T cmp.Ordered](a T, v ...T) T {
for _, b := range v {
if b > a {
a = b
}
}
return a
}
func min[T cmp.Ordered](a T, v ...T) T {
for _, b := range v {
if b < a {
a = b
}
}
return a
}
func sum[T cmp.Ordered](v ...T) T {
var s T
for _, a := range v {
s += a
}
return s
}
func last[T any](v ...T) T {
return v[len(v)-1]
}

44
aoc2023/day09/main_test.go Normal file
View File

@@ -0,0 +1,44 @@
package main
import (
"bufio"
"bytes"
_ "embed"
"testing"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, int(114))
is.Equal(result.valuePT2, 2)
}
func TestInput(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result.valuePT1)
is.Equal(result.valuePT1, int(1806615041))
t.Log(result.valuePT2)
is.True(result.valuePT2 < 1806615046) // first attempt
is.Equal(result.valuePT2, 1211)
}

5
aoc2023/day10/example1.txt Normal file
View File

@@ -0,0 +1,5 @@
.....
.S-7.
.|.|.
.L-J.
.....

5
aoc2023/day10/example2.txt Normal file
View File

@@ -0,0 +1,5 @@
..F7.
.FJ|.
SJ.L7
|F--J
LJ...

9
aoc2023/day10/example3.txt Normal file
View File

@@ -0,0 +1,9 @@
...........
.S-------7.
.|F-----7|.
.||.....||.
.||.....||.
.|L-7.F-J|.
.|..|.|..|.
.L--J.L--J.
...........

10
aoc2023/day10/example4.txt Normal file
View File

@@ -0,0 +1,10 @@
.F----7F7F7F7F-7....
.|F--7||||||||FJ....
.||.FJ||||||||L7....
FJL7L7LJLJ||LJ.L-7..
L--J.L7...LJS7F-7L7.
....F-J..F7FJ|L7L7L7
....L7.F7||L7|.L7L7|
.....|FJLJ|FJ|F7|.LJ
....FJL-7.||.||||...
....L---J.LJ.LJLJ...

10
aoc2023/day10/example5.txt Normal file
View File

@@ -0,0 +1,10 @@
FF7FSF7F7F7F7F7F---7
L|LJ||||||||||||F--J
FL-7LJLJ||||||LJL-77
F--JF--7||LJLJ7F7FJ-
L---JF-JLJ.||-FJLJJ7
|F|F-JF---7F7-L7L|7|
|FFJF7L7F-JF7|JL---7
7-L-JL7||F7|L7F-7F7|
L.L7LFJ|||||FJL7||LJ
L7JLJL-JLJLJL--JLJ.L

140
aoc2023/day10/input.txt Normal file
View File

@@ -0,0 +1,140 @@
F---7-FJ.7--FJ7.-.7-|7F.|7FJ77F7J-|--.FLF|.F-7-F7.F.J77|--|7--|7|-J-F--7-F7.F7-F7F7F-|-|-F777L7|-.FLF|-77F7-FJF|JF--F.77J-L7-FF--7.FFF7FF7.7
|J.F|7F|F7J.J-L-|-|.L7F7JF7-7-LJ|LJ.F7.L|.F|F7FJ7.F7.|F|L7.L7L|-F-|7|L|JFF.F||F777L|-77L-|JF7FJJJLF7LL7|.L77|L7LLLJ.|..LLL7|L7-.-JFFLL-7L-FF
F7L7JLLJL-7FL7|F7-J7.-J.7L7J|.|-JF|FLFF7L-JLL|-F7-F|77|.|L7FJ7JJFJL7JJJFF.FJ||||JFF|LL7F-JF|.LJ7F.|F7F|J7LLL-7||||LFFFF77|-L7LL7F7-JL7|FF7L|
JFL7FJ7.--JJ7L||.LF|7JJFLFLF7.|.LFF7-FJ|-J-77|-F.|J|LLFF-|-7JL7-J7L|JLF7-7F7|LJL-7|L7F7J-FJ|F|7|77|J-F..FJL.|F77-7F|-FJ|J7J.--7.7J.7-|-||LF|
.|LLFJLF--J.FL|-J.F77F-77.L|L7F77F7.F|FJ7.FJ7JF7F7|F-J..7JL|..FF---|J-F|JF|||F--7|-FL7.J-J.|LFFJ-7.L7J|.7-|LJJF7L77LL||.FL--JJ|-L-F|7F-JJ|.|
FL77J|LJFJFF7JJ|J7LJ.|.LF.LL7|||7||-FJL---7.LFJL7J7|FLF7J|F77-J|JJFJ-F-7FFJLJL-7LJ7LLLJ7JLL-7||J|||L-7|---L.FFLLFF---|F--J.|.|L.||FJ7.LLL|-J
|L-J-JJ-F-F-J7F--7.F7F7F7FF-JLJ|FJ|JL7F-7FJ7-L7FJF-7F7||7FFF7JL7.-JLF|FJFJF7F7FJFFL-|.L-7J|FJFJ-JJ7.L|7.|7J-|J.||||LFLJ-F|F7-7|FF-L7|7-.|L7|
7|LF|JLL|.F.F-FJF-7|||LJL7L-7F-JL7L7FJL7LJF77F|||L7||||L-7F||.7F7FLFFJL-JFJLJLJ-F|J.F-FL7.LJ||.|L.F7|.F7.7|FJ||-J|J-J7.7-7---|-LJF|7F|-77-L-
|J.7|LF7JF|F7|L.L7|||L7F-J-F||F7FJFJ|F-JF7||F7||-F|||||F-JFJ|7J|L|F-L-7F7L-7F777.|JF77J-F7FFF777LFFF-F-7-7--LJL|-L|.FF-F.JL|.LFJ-77-F|7F77FJ
JJ--JLJL-J|J.FLF-J|||L||F77FJ||||FJFJ|F7|||LJLJ|JFJ||||L77L7|F--7F7-F7LJ|F7|||F7F7.L|.F-JL7FJL7F---7JL7L7F7.L|F--7L-L7.J-.-7JJ|L-7L.|JFJLJF|
|JFLJF|-77F-7.FL-7LJL-J|||FJFJ|||L7|FJ|LJ|L---7L7|FJ|LJFJ7FJLJF-J||.||F-J|LJ|LJLJ|7-J7L-7FJL7FJ|F--J--L7|||7FFF-FJ|JLL|FLFLJ.-L7FLL-|L|.7.FF
L-77LJJ|FJ|7J.--LL----7|||L7|FJ||FJ||FJF-JF7|FJFJ|L7L7FJF7|F7FJ-FJL-J||F7L-7L7F--J.7|F-7||F7||FJL7L|-F-JLJL-7-|FJLJ77.|7.L7JF|L|7.|---|F--.F
7JFF7||FJJJJL7J7.F-7F-JLJL-JLJFJ||7|LJFJF7|L7L7L7L7|-|L7|LJ|LJJ.L---7|LJL7FJ|||F-77LLL7||LJLJLJF-J-|LL---7F-J|||..JJF-.F7.F-7|L|7F77JFJ-L|FJ
|-|LLJF-7LJ|LL|--L7|L7F--7F--7L-JL7L7FJFJ||FJF|FJFJ|FJFJL-7L-7F-7LF7|L7F7|L7FJ||FJF7FFJLJF-----JF-7F7F-7FJL--777-7L-|JF|77LLLL7JFJ|F-JJ.L|7|
77LJ7F--7J7L7L|.F-J|FJ|F-J|F-JF-7FJFJL7|FJ|L7FJL-JFJ|FJF7|L7FJL7|F|||FJ|LJFJL7||L7|L7L--7L7F-7F7|FJ||L7||F---JL|-L7J.-77J-F.||JF|.L--J.--L7|
L77--L-7J-|7LFF7L-7|L-JL-7||F7|FJL7|F-J|L-JFJL-7F7|FJL7||F-J|F-J|FJLJL7|F7L7-||L7LJFJJF7|FJL7LJLJL7||FJ||L--7F-7-|7.F.|7JL-L7J-7JFFL--JFFL.L
..FFJL7L7-LLF7|L--JL-7F--J|LJ||L7FJ|L7F|F--JF7-LJ|||F-J||L-7LJF-JL--7FJLJ|FJFJL7|F-JF7||||F7|F----J||L7LJF--JL7|F--7LFLJ--||||FLLF7-J.FF-.F|
F-J|7L|-77|-J7|F7F--7|L---JF-JL7|L-JFJFJL-7FJL7F7|||L7|||F7|F-JF7.F7||F7FJL7L7FJ||.FJ||LJ||LJL-7-F7||JL7FJF7F7||L-7|-FJ-7LL77-F7-F|J.F7||F-7
LL7L77L-7-7-LLLJLJF-JL-----JF--JL--7L-JF7FJL7FJ||||L7L7|LJLJ|F7|L7||||||L-7L7||FJL-JFJL-7||F---JFJLJ|F-J|FJLJLJ|F7|L7JF7.7JL7|LF-7.F-FF77JJ.
FF--.7.LJLL7|.|FF-JF--------JF7F7F7|F--J||F-JL-JLJ|FJFJL7F--J|LJFJ|||||L7|L7LJ||F---JF--JLJL--7JL7F-JL7FJ|F----J|||FJFJ|7JF-J-7|JL||LLLJL7-F
7|..L-FFJJFL7FFLL-7|F---77F7FJLJLJ||L7F7LJL--7F---JL7|F7||F--JF-JFJ||||FJF7L7FJ||F--7L---7F---JF-JL7F7|L-JL7F--7|||L-JFJF7L7F7JJ.FJF-7L7J|7|
F7.L7LJJ.FJL|F7L|7LJL7F7L-J|L----7|L7LJL7F7FFJL7F-7||||LJLJF--JF7L7||LJL7|L-JL7|LJF7|F7F-JL-7F7L7F-J|||F---J|F7||LJF--J||L7JLJ.LFLJ|LJ--7JL|
J7-FJ.|7.|J-F7L7LF7F-J||F-7|F7FF-JL7|F--J||FJF-J|FJFJ||F7F7L--7||FJLJF-7|L---7||F-JLJ||L--7FJ|L7|L7FJLJL7F-7LJ|LJF-JF7F7L7L7||--|..|F7|LJ|F|
|F7LF77J.LF-LJJ.FJLJF7|||FJLJL7L--7LJL7F7|||FJF7||FJFJLJ||L---J||L--7|FLJJF--J||L-7F7||FF-JL7|FJL7|L-7F-J|FJF7L-7L7FJLJL7|FJ7|F7|F.|--7-LL|7
|L||F---F.F7LJ-FL---J||||L--7FJF7L|F--J|||||L7||||L7L-7FJL-7F-7||F7FJL7F-7L--7LJF-J|||L7L7F-J|L7FJL-7|L-7|L7||F7|FJ|F---J||F---77-|J|7L-F.L7
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331
aoc2023/day10/main.go Normal file
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@@ -0,0 +1,331 @@
package main
import (
"bufio"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
m := &Path{s: -1}
for scan.Scan() {
text := scan.Text()
_ = text
m.readLine(text)
}
dist := m.buildPath()
// log(m)
r := &Region{List: m.List, w: m.w, l: len(m.m)}
count := r.Count()
return &result{valuePT1: dist, valuePT2: count}, nil
}
type node struct {
value rune
pos int
whence int8
left *node
}
func (n *node) add(a *node) *node {
if a == nil {
return n
}
n.left = a
return a
}
func (n *node) String() string {
if n == nil {
return "EOL"
}
return fmt.Sprintf("node %s from %s", string(n.value), enum(n.whence))
}
type List struct {
head *node
n *node
p map[int]*node
}
func NewList(a *node) *List {
lis := &List{
head: a,
n: a,
p: make(map[int]*node),
}
lis.add(a)
return lis
}
func (l *List) add(a *node) {
l.n = l.n.add(a)
l.p[a.pos] = a
}
type Path struct {
m []rune
w int
s int
*List
}
func (m *Path) String() string {
var buf strings.Builder
n := m.head
buf.WriteString(fmt.Sprintf("head %d", len(m.p)))
for n != nil {
buf.WriteString("\n ")
buf.WriteString(n.String())
n = n.left
}
return buf.String()
}
func (m *Path) readLine(text string) {
if m.w == 0 {
m.w = len(text)
}
if m.s == -1 {
if i := strings.IndexRune(text, 'S'); i != -1 {
m.s = i + len(m.m)
}
}
m.m = append(m.m, []rune(text)...)
}
func (m *Path) buildPath() int {
m.start()
for m.next() {
}
return (len(m.p) + 1) / 2
}
func (m *Path) start() {
m.List = NewList(&node{value: 'S', pos: m.s})
switch {
case m.peek(UP) != nil:
m.add(m.peek(UP))
case m.peek(DN) != nil:
m.add(m.peek(DN))
case m.peek(LF) != nil:
m.add(m.peek(LF))
case m.peek(RT) != nil:
m.add(m.peek(RT))
}
}
func (m *Path) next() bool {
var n *node
switch m.n.value {
case '7':
if m.n.whence == LF {
n = m.peek(DN)
} else {
n = m.peek(LF)
}
case '|':
if m.n.whence == UP {
n = m.peek(DN)
} else {
n = m.peek(UP)
}
case 'F':
if m.n.whence == RT {
n = m.peek(DN)
} else {
n = m.peek(RT)
}
case '-':
if m.n.whence == LF {
n = m.peek(RT)
} else {
n = m.peek(LF)
}
case 'J':
if m.n.whence == LF {
n = m.peek(UP)
} else {
n = m.peek(LF)
}
case 'L':
if m.n.whence == RT {
n = m.peek(UP)
} else {
n = m.peek(RT)
}
}
if n == nil {
return false
}
if n.value == 'S' {
last := n.whence
next := m.head.left.whence
switch last<<4 | next {
case UP<<4 | UP, DN<<4 | DN:
m.head.value = '|' // UP UP, DN DN
case LF<<4 | LF, RT<<4 | RT:
m.head.value = '-' // LF LF, RT RT
case UP<<4 | RT, LF<<4 | DN:
m.head.value = 'J' // UP RT, LT DN
case UP<<4 | LF, RT<<4 | DN:
m.head.value = 'L' // UP RT, RT DN
case DN<<4 | RT, LF<<4 | UP:
m.head.value = '7' // DN LF, LF UP
case RT<<4 | UP, DN<<4 | LF:
m.head.value = 'F' // DN LF, RT UP
}
return false
}
m.add(n)
return true
}
const (
ST int8 = iota
UP
DN
LF
RT
)
func enum(e int8) string {
switch e {
case ST:
return "ST"
case UP:
return "UP"
case DN:
return "DN"
case LF:
return "LF"
case RT:
return "RT"
default:
return "XX"
}
}
func (m *Path) peek(d int8) *node {
switch d {
case UP:
x, y := toXY(m.n.pos, m.w)
if y == 0 {
return nil
}
p := fromXY(x, y-1, m.w)
r := m.m[p]
if any(r, '7', '|', 'F', 'S') {
return &node{value: r, whence: DN, pos: p}
}
case DN:
x, y := toXY(m.n.pos, m.w)
if y == m.w {
return nil
}
p := fromXY(x, y+1, m.w)
r := m.m[p]
if any(r, 'J', '|', 'L', 'S') {
return &node{value: r, whence: UP, pos: p}
}
case LF:
x, y := toXY(m.n.pos, m.w)
if x == 0 {
return nil
}
p := fromXY(x-1, y, m.w)
r := m.m[p]
if any(r, 'F', '-', 'L', 'S') {
return &node{value: r, whence: RT, pos: p}
}
case RT:
x, y := toXY(m.n.pos, m.w)
if x == m.w {
return nil
}
p := fromXY(x+1, y, m.w)
r := m.m[p]
if any(r, '7', '-', 'J', 'S') {
return &node{value: r, whence: LF, pos: p}
}
}
return nil
}
func fromXY(x, y, w int) int { return y*w + x }
func toXY(i, w int) (int, int) {
return i % w, i / w
}
func any[T comparable](n T, stack ...T) bool {
var found bool
for _, s := range stack {
if n == s {
found = true
break
}
}
return found
}
type Region struct {
*List
inLoop bool
count int
w int
l int
}
func (r *Region) Count() int {
for i := 0; i < r.l; i++ {
if i%r.w == 0 {
r.inLoop = false
// fmt.Println(": ", i)
}
a, ok := r.p[i]
if ok && any(a.value, '|', '7', 'F', 'X') {
r.inLoop = !r.inLoop
// fmt.Print(string(a.value))
continue
}
if !ok && r.inLoop {
// fmt.Print("I")
r.count++
continue
}
if ok {
// fmt.Print(string(a.value))
continue
}
// fmt.Print(".")
}
return r.count
}

110
aoc2023/day10/main_test.go Normal file
View File

@@ -0,0 +1,110 @@
package main
import (
"bufio"
"bytes"
_ "embed"
"testing"
"github.com/matryer/is"
)
//go:embed example1.txt
var example1 []byte
//go:embed example2.txt
var example2 []byte
//go:embed example3.txt
var example3 []byte
//go:embed example4.txt
var example4 []byte
//go:embed example5.txt
var example5 []byte
//go:embed input.txt
var input []byte
func TestExample1(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example1))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.Equal(result.valuePT1, 4)
}
func TestExample2(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example2))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.Equal(result.valuePT1, 8)
}
func TestExample3(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example3))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.Equal(result.valuePT1, 23)
// t.Log(result.valuePT2)
is.Equal(result.valuePT2, 4)
}
func TestExample4(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example4))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.Equal(result.valuePT1, 70)
// t.Log(result.valuePT2)
is.Equal(result.valuePT2, 8)
}
func TestExample5(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example5))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.Equal(result.valuePT1, 80)
// t.Log(result.valuePT2)
is.Equal(result.valuePT2, 10)
}
func TestInput(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
// t.Log(result.valuePT1)
is.True(result.valuePT1 != 51)
is.Equal(result.valuePT1, 6649)
t.Log(result.valuePT2)
is.True(result.valuePT2 != 0)
is.Equal(result.valuePT2, 601)
}
// first: 51 false

10
aoc2023/day11/example.txt Normal file
View File

@@ -0,0 +1,10 @@
...#......
.......#..
#.........
..........
......#...
.#........
.........#
..........
.......#..
#...#.....

140
aoc2023/day11/input.txt Normal file
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@@ -0,0 +1,140 @@
..............................#.........................#.......................#..............................#.........................#..
....#.....#...................................#.............................................................................................
.....................................#..................................#...................................................................
...................................................#....................................................................#...................
...............................................................#..................#...............................#.........................
...............#.......................................#...................................#.....#.......#.........................#........
............................................................................................................................................
............................................................................#...............................................................
.......#.......................#....................#.......................................................................................
........................#..................#....................................................................#...........................
..#.......................................................#.........#....................#....................................#.............
..............#...........................................................#..........................................................#......
......................................#...........................................#..........................#..............................
.....................................................#.........#..........................................................................#.
#.......#....................................#.................................................#............................................
..............................#.......................................#..............#....................#..........#......................
....#...................................#...................................................................................................
....................................................................................................#.......................................
.....................#...........#...............................................#..................................................#.......
...............................................#.........#..................................................#..................#............
..........................................................................#...............#........................#........................
.................#.......................................................................................................#..................
......................................................................................#..................#..............................#...
.............#...................................................................................#..........................................
#...........................#..........#....................................................................................................
.........#........................................................................#...............................#.........................
.....................#.........................#.....................................................#....................#......#..........
.....................................................................#......................................................................
................................#.....................................................................................................#.....
...............#..........................................#.................#................#..............................................
....................................#...........................#...........................................#...............................
.......#...................#................#.......................................#..............................#......................#.
......................#.................................................#................................................#..................
....................................................#......................................#............#...................................
.............#........................#..........................................................#.............#............................
...................#..............................................................#.........................................................
.........................................................#..................#..........#....................................................
........................#.....................#..............................................#.........................................#....
.................................................................#.........................................#...................#............
...................................................#........#.....................................#......................#..................
.........#....................#.......#................................................................#............#.......................
#.............................................................................#.....................................................#.......
..................#.......#.................................................................................................................
.............#........................................................#........................#................#..........#..............#.
.....................................................#......................................................................................
.......#...............#.................#......................#................#..........................................................
...................................#.....................................................#............................#.....................
............................................................................................................................................
...............................#........................................#.........................#.........................................
.....#.........#...............................#...................#.....................................................................#..
............................................................................................................................................
..........#......................................................................#..........................................................
.........................................#.............................................#......#...................#...................#.....
........................#.....#........................................................................#....................................
...................................................#.....#...................#..............................................................
....................................................................#...............#....................................#........#.........
...........................#..............................................................#.................................................
...#........................................#.........#.......................................................#..............#..............
..........#....................................................#................#...........................................................
..................................#..................................................................................#...............#......
.................#..........................................................................................................................
............................................................................................................................................
............................#.............#................................#.........................#.....................#................
.........#.........................................#............#.........................#............................................#....
....#................................................................#.........................#..............#.............................
...................#......................................#.................................................................................
..............................#......#..............................................#..............#................#.......................
.............................................................................#..............................................................
.......#.........................................................................................................................#..........
..............#............#....................#...................#............#.......#.................................#................
................................#......................#................................................#.................................#.
............................................................................................................................................
.#......................#......................................#...............................................#............................
........................................................................#............................#......................................
..................................................#..........................#..........................................#.......#...........
.........................................#..........................................#....................#..............................#...
......#...............#.................................#...................................................................................
....................................#.......................................................................................................
...............................................................#................#........#.........................#..........#.............
..#........#.....#..........#...................#...................................................#.......................................
.......................................#...........................#...........................................#............................
.............................................................................#..............................................................
.......................#..................................#............#...............#.......#.....................................#......
............................................................................................................................................
............#.....#................................#...........#...................................................#............#...........
...........................................#..............................................#.................................................
..................................#..............................................#.....................#....................................
..................................................................#.........................................................................
...#..........................#............................................#................................................................
.......................................................#..........................................#........#........#.......................
.......................................#.................................................................................#......#...........
.................................................#..........#.........#.......................#.............................................
............................................................................................................................................
....#...........#........................................................................................#.......#...........#..............
......................#...........#.......#....................#..............#.....#.......................................................
.........#...............................................................................#..................................................
..................................................#.........................................................................................
...................#......................................#...........................................#...........................#......#..
.............#..........#.....................#....................#........................................................................
...............................................................................#.....#.....#.................#......#.......................
...#.........................#...................................................................#........................#.................
............................................................................................................................................
.......#.........#..........................................#...............................................................................
.................................#..............................................................................................#...........
........................................................................#..............#.......#..................#........................#
.#...................................#......#......#........................................................................................
............................................................................................................................................
.............#................#............................................................#..............#.................................
......#.....................................................#.......................#................#...............................#......
...................#..............................................#.......................................................#.................
....................................#.....................................#.................................................................
........................................................................................................#.......#...........................
....#.....................................#...............#...................#...............#.........................................#...
.....................................................................................#......................................................
....................................................#...........#......................................................#............#.......
........................#...................................................................................#...............................
............................................................................#.....#.........#......................#........................
...#.....#.....#.......................#....................................................................................................
............................................................................................................................................
......................................................................#.....................................................................
......................................................................................#............#..........................#.............
.....#.............#.........................................................#................#.............................................
..............................#..........#............#.....#...........................................................#.............#.....
........................................................................#................#..................................................
..................................................................................#.........................................................
......................#.............#....................#........................................................#.........................
.................#................................#.............#.............#.............................................................
............................................................................................................................................
...#..........................#.............#....................................................#.......#...............#.........#........
........#...........#.................#..................................................................................................#..
..............#.................................#.....#..........................................................#..........................
...........................................................#......#.........................................................................
............................#..................................................#.....................................#......................
...................................................#.......................................#................................................
.#................#................#...............................................#...........................................#.....#......
.............#....................................................................................................#.........................
.........................#...........................................#.....#......................#..........#..............................
........................................#...................#...........................................#...................................
...#......#............................................................................#....................................................
...............................................#.......................................................................#....................

197
aoc2023/day11/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"sort"
"strings"
aoc "go.sour.is/advent-of-code"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
m := NewMap()
for scan.Scan() {
text := scan.Text()
m.readLine(text)
}
return &result{
valuePT1: m.expand(1).sumPaths(),
valuePT2: m.expand(999_999).sumPaths(),
}, nil
}
type Map struct {
rows int
cols int
emptyRows map[int]bool
emptyCols map[int]bool
*aoc.List[rune]
}
func NewMap() *Map {
return &Map{
emptyRows: make(map[int]bool),
emptyCols: make(map[int]bool),
List: aoc.NewList[rune](nil),
}
}
func (m *Map) String() string {
buf := &strings.Builder{}
fmt.Fprintf(buf, "Map size %d x %d\n", m.rows, m.cols)
fmt.Fprintln(buf, "empty rows:", all(m.emptyRows))
fmt.Fprintln(buf, "empty cols:", all(m.emptyCols))
n := m.Head()
for n != nil {
fmt.Fprintln(buf, toXY(n.Position(), m.cols), n.String())
n = n.Next()
}
for row := 0; row < m.rows; row++ {
for col := 0; col < m.cols; col++ {
if n := m.getRC(row, col); n != nil {
buf.WriteRune('#')
} else {
buf.WriteRune('.')
}
}
buf.WriteRune('\n')
}
return buf.String()
}
func (m *Map) readLine(text string) {
if m.cols == 0 {
m.cols = len(text)
}
emptyRow, ok := m.emptyRows[m.rows]
if !ok {
emptyRow = true
}
row := []rune(text)
for col, r := range row {
emptyCol, ok := m.emptyCols[col]
if !ok {
emptyCol = true
}
if r == '#' {
m.Add(r, fromXY(col, m.rows, m.cols))
emptyCol = false
emptyRow = false
}
m.emptyRows[m.rows] = emptyRow
m.emptyCols[col] = emptyCol
}
m.rows++
}
func (m *Map) getRC(row, col int) *aoc.Node[rune] {
return m.List.Get(fromXY(col, row, m.cols))
}
func (m *Map) expand(rate int) *Map {
newM := NewMap()
newM.rows = m.rows + rate*len(all(m.emptyRows))
newM.cols = m.cols + rate*len(all(m.emptyCols))
offsetC := 0
for col := 0; col < m.cols; col++ {
if empty, ok := m.emptyCols[col]; ok && empty {
for r := 0; r <= rate; r++ {
newM.emptyCols[offsetC+col+r] = true
}
offsetC += rate
continue
}
}
offsetR := 0
for row := 0; row < m.rows; row++ {
if empty, ok := m.emptyRows[row]; ok && empty {
for r := 0; r <= rate; r++ {
newM.emptyRows[offsetR+row+r] = true
}
offsetR += rate
continue
}
offsetC := 0
for col := 0; col < m.cols; col++ {
if empty, ok := m.emptyCols[col]; ok && empty {
offsetC += rate
continue
}
if n := m.getRC(row, col); n != nil {
newM.Add('#', fromXY(offsetC+col, offsetR+row, newM.cols))
}
}
}
return newM
}
func (m *Map) sumPaths() int {
var positions []int
n := m.Head()
for n != nil {
positions = append(positions, n.Position())
n = n.Next()
}
var paths []int
for i := 0; i < len(positions); i++ {
p := positions[i]
pXY := toXY(p, m.cols)
for j := i; j < len(positions); j++ {
c := positions[j]
if c == p {
continue
}
cXY := toXY(c, m.cols)
path := aoc.ABS(cXY[0]-pXY[0]) + aoc.ABS(cXY[1]-pXY[1])
paths = append(paths, path)
}
}
return aoc.Sum(paths...)
}
func all(m map[int]bool) []int {
lis := make([]int, 0, len(m))
for k, v := range m {
if v {
lis = append(lis, k)
}
}
sort.Ints(lis)
return lis
}
func fromXY(x, y, w int) int { return y*w + x }
func toXY(i, w int) [2]int { return [2]int{i % w, i / w} }

41
aoc2023/day11/main_test.go Normal file
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@@ -0,0 +1,41 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 374)
is.Equal(result.valuePT2, 82000210)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 9627977)
is.Equal(result.valuePT2, 644248339497)
}

6
aoc2023/day12/example.txt Normal file
View File

@@ -0,0 +1,6 @@
???.### 1,1,3
.??..??...?##. 1,1,3
?#?#?#?#?#?#?#? 1,3,1,6
????.#...#... 4,1,1
????.######..#####. 1,6,5
?###???????? 3,2,1

1000
aoc2023/day12/input.txt Normal file
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187
aoc2023/day12/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"slices"
"strings"
aoc "go.sour.is/advent-of-code"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var matches []int
var matches2 []int
for scan.Scan() {
text := scan.Text()
status, text, ok := strings.Cut(text, " ")
if !ok {
continue
}
// part 1 - brute force
grouping := aoc.SliceMap(aoc.Atoi, strings.Split(text, ",")...)
pattern := []rune(status)
// sp := spring{pattern: pattern, grouping: grouping, missingNo: countQuestion(pattern)}
// matches = append(matches, sp.findMatches())
matches = append(matches, countPossible(pattern, grouping))
// part 2 - NFA
b, a := status, text
bn, an := "", ""
for i := 0; i < 5; i++ {
bn, an = bn+b+"?", an+a+","
}
b, a = strings.TrimSuffix(bn, "?"), strings.TrimSuffix(an, ",")
matches2 = append(matches2, countPossible([]rune(b), aoc.SliceMap(aoc.Atoi, strings.Split(a, ",")...)))
}
return &result{valuePT1: aoc.Sum(matches...), valuePT2: aoc.Sum(matches2...)}, nil
}
type spring struct {
pattern []rune
grouping []int
missingNo int
}
func (s *spring) findMatches() int {
matches := 0
for _, pattern := range s.genPatterns() {
pattern := []rune(pattern)
target := make([]rune, len(s.pattern))
i := 0
for j, r := range s.pattern {
if r == '?' {
target[j] = pattern[i]
i++
continue
}
target[j] = r
}
if slices.Equal(countGroupings(target), s.grouping) {
matches++
}
}
return matches
}
func (s *spring) genPatterns() []string {
buf := &strings.Builder{}
combinations := aoc.Power2(s.missingNo)
lis := make([]string, 0, combinations)
for i := 0; i < combinations; i++ {
for b := 0; b < s.missingNo; b++ {
if i>>b&0b1 == 1 {
buf.WriteRune('#')
} else {
buf.WriteRune('.')
}
}
lis = append(lis, buf.String())
buf.Reset()
}
return lis
}
func countPossible(s []rune, c []int) int {
pos := 0
cstates := map[state]int{{}: 1} // current state
nstates := map[state]int{} // next state
for len(cstates) > 0 {
for st, num := range cstates {
si, ci, cc, expdot := st.springIndex, st.groupIndex, st.continuous, st.expectDot
// have we reached the end?
if si == len(s) {
if ci == len(c) {
pos += num
}
continue
}
switch {
case (s[si] == '#' || s[si] == '?') && ci < len(c) && !expdot:
// we are still looking for broken springs
if s[si] == '?' && cc == 0 {
// we are not in a run of broken springs, so ? can be working
nstates[state{si + 1, ci, cc, expdot}] += num
}
cc++
if cc == c[ci] {
// we've found the full next contiguous section of broken springs
ci++
cc = 0
expdot = true // we only want a working spring next
}
nstates[state{si + 1, ci, cc, expdot}] += num
case (s[si] == '.' || s[si] == '?') && cc == 0:
// we are not in a contiguous run of broken springs
expdot = false
nstates[state{si + 1, ci, cc, expdot}] += num
}
}
// swap and clear previous states
cstates, nstates = nstates, cstates
clear(nstates)
}
return pos
}
type state struct {
springIndex int
groupIndex int
continuous int
expectDot bool
}
func countQuestion(pattern []rune) int {
count := 0
for _, r := range pattern {
if r == '?' {
count++
}
}
return count
}
func countGroupings(pattern []rune) []int {
var groupings []int
inGroup := false
for _, r := range pattern {
if r == '#' {
if !inGroup {
groupings = append(groupings, 0)
}
inGroup = true
groupings[len(groupings)-1]++
}
if inGroup && r != '#' {
inGroup = false
}
}
return groupings
}

70
aoc2023/day12/main_test.go Normal file
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package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
aoc "go.sour.is/advent-of-code"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 21)
is.Equal(result.valuePT2, 525152)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 8193)
is.Equal(result.valuePT2, 45322533163795)
}
func TestPower2(t *testing.T) {
is := is.New(t)
is.Equal(aoc.Power2(1), 2)
is.Equal(aoc.Power2(2), 4)
is.Equal(aoc.Power2(3), 8)
is.Equal(aoc.Power2(4), 16)
is.Equal(aoc.Power2(5), 32)
is.Equal(aoc.Power2(6), 64)
}
func TestCountGroupings(t *testing.T) {
is := is.New(t)
is.Equal([]int{1, 3, 1}, countGroupings([]rune(".#.###.#")))
is.Equal([]int{1, 3, 1}, countGroupings([]rune(".#.###...#.")))
is.Equal([]int{1, 3, 1}, countGroupings([]rune("#.###...#.")))
}
func TestCombination(t *testing.T) {
s := spring{
pattern: []rune("???"),
grouping: []int{1},
missingNo: 3,
}
s.findMatches()
}

15
aoc2023/day13/example.txt Normal file
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@@ -0,0 +1,15 @@
#.##..##.
..#.##.#.
##......#
##......#
..#.##.#.
..##..##.
#.#.##.#.
#...##..#
#....#..#
..##..###
#####.##.
#####.##.
..##..###
#....#..#

7
aoc2023/day13/example00.txt Normal file
View File

@@ -0,0 +1,7 @@
#.##..##.
..#.##.#.
##......#
##......#
..#.##.#.
..##..##.
#.#.##.#.

1301
aoc2023/day13/input.txt Normal file
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11
aoc2023/day13/input07.txt Normal file
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@@ -0,0 +1,11 @@
##.#.##.#
...#..#..
.##...#..
.##...#..
.#.#..#..
##.#.##.#
.#...####
..#.#..##
...#...##
.#....#.#
.#....#.#

179
aoc2023/day13/main.go Normal file
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@@ -0,0 +1,179 @@
package main
import (
"bufio"
_ "embed"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
)
var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
maps := []Map{}
m := Map{}
r := &result{}
for scan.Scan() {
text := scan.Text()
if text == "" {
maps = append(maps, m)
m = Map{}
} else {
m = append(m, []rune(text))
}
}
maps = append(maps, m)
for _, m := range maps {
sum, sum2 := findSmudge(m)
if sum == -1 || sum2 == -1 {
mr := Map(aoc.Transpose(m))
Hsum, Hsum2 := findSmudge(mr)
if sum2 == -1 {
sum2 = Hsum2 * 100
}
if sum == -1 {
sum = Hsum * 100
}
}
r.valuePT1 += sum
r.valuePT2 += sum2
}
return r, nil
}
type Map [][]rune
func (m Map) String() string {
var buf strings.Builder
for i, row := range m {
if i == 0 {
fmt.Fprint(&buf, " ")
for j := range row {
fmt.Fprintf(&buf, "%d", j)
}
fmt.Fprint(&buf, "\n")
}
fmt.Fprintf(&buf, "%d ", i)
buf.WriteRune(' ')
buf.WriteString(string(row))
buf.WriteRune('\n')
}
buf.WriteRune('\n')
return buf.String()
}
// func findReflection(m Map) (int, bool) {
// candidates := make(map[int]bool)
// var candidateList []int
// for _, row := range m {
// for col := 1; col < len(row); col++ {
// if v, ok := candidates[col]; !ok || v {
// candidates[col], _ = reflects(row[:col], row[col:])
// }
// }
// candidateList = all(candidates)
// if len(candidateList) == 0 {
// return 0, false
// }
// }
// if len(candidateList) == 1 {
// return candidateList[0], true
// }
// return 0, false
// }
type level struct {
blips int
nequal int
fail bool
}
func findSmudge(m Map) (int, int) {
candidates := make(map[int]level)
for _, row := range m {
for col := 1; col < len(row); col++ {
candidate := candidates[col]
if candidate.fail {
continue
}
eq, bl := reflects(row[:col], row[col:])
if !eq {
candidate.nequal++
}
candidate.blips += bl
if candidate.nequal > 1 || candidate.blips > 1 {
candidate.fail = true
}
candidates[col] = candidate
}
}
a, b := -1, -1
for i, cand := range candidates {
if !cand.fail && cand.blips == 1 {
b = i
}
if !cand.fail && cand.blips == 0 {
a = i
}
}
return a, b
}
func reflects(a, b []rune) (bool, int) {
c := min(len(a), len(b))
a = append([]rune{}, a...)
b = append([]rune{}, b...)
aoc.Reverse(a)
a = a[:c]
b = b[:c]
blips := 0
for i := range a {
if a[i] != b[i] {
blips++
}
}
return blips == 0, blips
}
func all[T comparable](m map[T]bool) []T {
lis := make([]T, 0, len(m))
for k, v := range m {
if v {
lis = append(lis, k)
}
}
return lis
}

42
aoc2023/day13/main_test.go Normal file
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@@ -0,0 +1,42 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 405)
is.Equal(result.valuePT2, 400)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.True(result.valuePT1 > 1704) // attempt 1
is.Equal(result.valuePT1, 30705)
is.Equal(result.valuePT2, 44615)
}

10
aoc2023/day14/example.txt Normal file
View File

@@ -0,0 +1,10 @@
O....#....
O.OO#....#
.....##...
OO.#O....O
.O.....O#.
O.#..O.#.#
..O..#O..O
.......O..
#....###..
#OO..#....

100
aoc2023/day14/input.txt Normal file
View File

@@ -0,0 +1,100 @@
...#.O.#.#.O.O....#...O....#..#........OO.O#...O..O#O#.......O.O....O.....#...OO#.O....OOO..OO#..#..
.##.....#.OOO.OO#...O.......O#..O.##OO.O.......O##....O....#O..O..#.#....#OO..#...O.O#.#...#....#O.O
O...##.O.O.O.O..#.#.....#O....#..#O..O...O..OO..O...##.......OO#..OOO..#O..#.O#.O......#..#O..O..O.O
..OO....OOO....O.O..OOO.....O........#...O.O.O.O..O#.O...O..#.#O........O.....#O...##....#...#.#....
##.O.O#..O..##O.....O.#.....O.O#O.O..#...#...OO.##OOO...OO#...O...O........O.#.O.........#O.#...#.#.
.#.O.O.....#..O###..O#.#..O....O.O....#...##.O..O.OOO..O.O..O#.O..O....#.#.O..#..##O...O....#O#.....
.......O...##..O..O##..##...O....###.O.#.#.O......O...O.O......#O.....#..O..O#..##O.O#O##O....O#....
.#O..#....##.##..O#..#..#..O........OO....#..##.O.#.O.O..OO.O.O#..#O##O......OO...O...OO...#....OO..
#.....O#......O#.....#..O...#O..OO..OO.#O...O...O.........O...#O...O.....#.....#...#.....O##.O.....O
OO.O..O...O......#.O......#O....#..#.#...O.O....O.#.O#...O........O......#.#O#.O...O.........#O....O
O.O..O..#......O.O.OO...OO..##.....OO.....#.O...O.#.#...OO..OO.O.........#O..#.O...O#.#..O..OO.##O..
..#.......O....#...#....##..O.O......O....O#.O..O..#.#.O#O.O.#...#.##.....O...O.O...O.#...O...O.#...
.O...#..O.....O.O.....OO.O.O.......O..O..........#...O..O..O......O....#OOO...O#O...#.O#........O...
.OO#....#.....O...#.###..#..O..O.....#O..#..OO...OOO#.O#..O#O........#..#.O..OOO#O#..O..OO........#.
..O.....#..#..O.............#..O.O..O#.......#.O.........O.#..OO.O..#..##..O.O#O....OO.O.O.O.....O#.
........#O..O#OO...#.##O.O....O...O..........##.#O..O......O..O.#...#O.O.OO...#.#OOO.#...O#....#.O.#
.....O.O...#OO#.OO#......#..O.O..#.OO.......#...#.O.O#.O.#O.O#..#O##..OO...#......#.O....#.....O.#O.
.O#OOOO...#.#..........O#.#.#.#.O....O..O...O...OOO.O.O.O..OO..O..O#.#...#....#...#O#.OO.O..#.O#....
OO#OO..#.O.#....#..#.#..#O#.O#O#.#..O.O....#..O...OO..O..#........#.O...O#.#.....#....O.....#.O.....
.O.....#...OO...#..O..#..O..O##..OO...O....#.O.#............###.O.#..O..O.........O..#.O..O.#OO.#...
.##O.#.O.#....O..O..#..O.#.O..##O..O......OO...#...O..OO#....O..O#O.##.OO#...O#...#.......O.O#.#OO..
.OO#O#...O..##.O......O..O.O....O...OOO.O..#...O#.#.O.OOO..#...#.##..OO..................OOOOO...###
.#..##...####.O#...O........O...#O..O..O....O##O..O..OO..#.....#...O.....OO......OOO.#..O.##OO##...#
....O#........O##.O...O#..#.O#O...O...O.O........#..#.#.O......O..#.....#.O..#.#..#..#O....O##...#..
.O..OO.O##..O...O.OO....O.OOO..#O#.O##......O.O#....O#O.O......#.O..#O..#O.........#..OO....#.OO..O.
.#OO..#OO.###........#...#..#.O..#O.O#O...O.#.....O...#......O.......#.O.#.##.O..#O.O###OOOO...#..O.
##...OOO.#..........O#...O#.....OO...O#..OO.OO.#.OOO..OO....O..OOO...##O...O.........##O...#.#O.....
.#....O.....#OO.O.OO..O......#.OO..#O...O..##O.#O....#O.OO..#O.OO...O..O.#..##...O......#O##OO.#.O..
.#..O....O....#......#.O.##...OO.O.O...O.OO.O....#...#..O....O#O..#...#.#..#...OO......OOO...O..#...
#.#OO.#....O.#.OO....#........O.O.##...O.#.................OOOO....O..#......O..#.#...O....#.O#OO.#O
....O.O.......##..O.........OO#O..O.O#.#.#.O....#..OO.O..O#O....O..O.O......O.O.#..O.......O.O..O.O#
...........#OO...O....#.O.#..#O.O#.....O..O.....O#.....OO.#O...#O.#O.#.....OO.O.O....OO......O#O.O..
OOOO.OO..O....O.O...O..#.........O#.##OOO#.O..O.O.O......O..#..O..#..#.O..O....O#O.#OO..O.O...O#.##.
##.O.#O.#OO#..........OO#.OO.#..#.#......#.OO...#.O.O.......O##....O..O..#.#.#O....O..##.#OO.O..O..O
#O...OO..#.#....##.O#.#...##OO#........O#.O..O#.........O.O.#....O.#.O.......O..OOO......O#O.###.O..
....O#....#..O...#.#.....O.O#O..#O....O...O.OO#...O..O#.##.O.....O...#..#.O.....O...O#..O.#...#.#O..
O.OO......#..O...O.O....#...OO..O#.O..OO..#.##.....#....O.O#O#.O....O..#..OOO..O....O.O..#..O.O..O..
.#..#..##O..O.....O#.#.O.O..O..OO..O.O..OO.##.O...O..O#........O.............#.OO..#......O..#O#OOO.
.#..##...O.#..OO...O..#..#O#..#..##.O#.#.....#....O.O..O.........#.###...#.O##..O...#.O.OO..........
........#O.......O...O#.#....#.O#....#..O.....OO........O...#.........##.....O...O#.O...O.O..#OO.O.#
.#..#.O##..##.O#.#.......OO...OO#...#O#............#.#...#...O...#.O..#O.#.O.........O..OO.O...O.#..
#.O#OO...OO.O.#...##........#....O.#.O.....##.#.O.O.O.#..O#...O..#......#..O...###O..OO..##..OO.#OOO
.OO...#O....O##.O...O.#....O...#O.......O.....OO.O...O..#...OO.OO.O#...O##.....O..#.#...#OO......O..
..O..#...O...##..O...O..OO.O.O.O.....#.....O.....O..#OOO.....OOOO#.#.O..O..#........O.#O#.#O..O.##..
.....##.....O.....O#...##.OOO....O.O..O.#.#O........OO.....#...##...#.#......#....OO.O.....#O....#.#
..O.OO#....O..O.#O.#OO#..#.O.##.#..#.OO##....O#...#..O.#..#...#.#....OOOO.#...OOOO..O.........##O.O.
O.O.#......O#...O..#.......#O.O..OOOO..#....#.#.OO.O..#O......#.#....#...#..O....#O.OO..O.......#.#.
...O.O....O#......#.O.O....O#.#..#O.#.....#...#...#.O#.........O.OO..O###...O....O.#.O.#.....##..O..
.#.OO...O#O.....O#....O......OO...OO.OOOOOO##....#..#..#O.#.OO....O#..OO.#O........O#..O.O#.#.......
#OO#.#.....O#OOO#...O.........#......O#.......O.....O#.#O...O........#....O...O.....#.......##.OOO#.
..#.O##..#OO..#....#O....#....#..........#O...#...O.#.O.O###O..O..#...#.OO....##..O.O.O.....O..O....
....OOO#.#......#..O.O......##O.#.O.#.O.OO....#..O.......#.....#O.O...##O###.##.##..#.O.#.O#..#..O#.
......O#OO......#.#..#.O#OO#O..O#O.O##.......O...O........O......O#.....#..#....#...#.#..O...O##.#O.
#..OO..O.O.....#O.O.#.#......O......O.#....O.#OO.........#.O.O#..#..#.O..O.#..#...#...O.#..........O
..O#OOO#.#.....O.....O..##.#..OOO.O..#..O#...##O..OO...#....#..#...#...OO.....##OO#.OO...#.O....#.#.
#.#O.............#....O#.....O.....O.##O.....#.#.#.....O....O...O...##..O...#........#O..##.#.....##
.O.....O...#O.#.O#..O#........#.##...O##O..........O##.O......O..#....##....###......O##..##O..#.O#.
.#...#..#..O.O.............#....O.OO.....OO#O.....OO..OOO#O.O.O.O...#...#.........OO..O#.O...#.##..#
..O...#O#.......#OO..........OO#..#.....OO#...#OO.O#....OO....O..O..#....#OO......O#O...#......O..O.
O.......O..O..#O.....O#O.........O##.O#.#.O.O....##....O.#....O....OOO..#O#...#...O.O#.O.....O.O#.O.
O.#O....O..##....O.........##.OO###....O...O...O..O#O#...#O.O.O....#..O..#..#.O.......###..#....#..O
.........O..#O...O..OO.....#...O..#O#.....O....#O#....##...#.OOOO.O..O#...O..O.O#.#..O.O..#..#.OO...
...#.....#..OO.O.#.#.O.....O#...#..O...O..O..#...O..O.O..#...#.###..#..##O.#.#O.......O..##O.O.O#...
.##O......O....#....O....#O..#.....#.O..O.O.O..#.#O.....O#.O...#.#O.#...#.........O....O....OO..O...
.OO.O.O.O#O..O##.O...OO.....O..O....O....#..#...O.O...O....O.#.O......#O.#.O#O..O...O.O.#.O..O.#....
O#..#.#..#..#...#.O...O.###.##.OO.O.#.OOO..O..#O.#.O...OO...O.OOO....#.....#OO.O##.O.#.#O...#.#.....
.#.....#.........O.#.........#...OO..O.#.O...O##O...#..O.O.OO#....###.OO.....#..........#.#OO...O.O.
........OO..O.O.#..O.#.......#.#O.OOO...OO.O............O#O#...O...#.O.....#...........O...#..OO.O#O
..#.#.#...O....#O.......#...#...O###.O.....O.O.OO....#O...OO.O.O........O.O.#O.O....OO.....OO.....#.
#..OOO#......O.#.O#...#..#..O..O.O.O.#...O#OOO.#...O.#.OO.#O..#....#..#O....O.#.O...O...O#OO...#....
.....#.....##...O....#..O..O.....O#OO.#O#.....O...O.##.#........O..O........#.#......##......#..#..O
O..O....O.##..#.#O##.#.....OO....O.##O......#...#..OO.O.....#...#........O..O#O##.O.......#..##O..##
#.....#O....O...#OOO#..O#.O.....O..OO.#..#.#.O#..O..O#.O###....O......O.#.O..#O.....#.......##O.O..O
O.O.#..#....O....O.......#.O..O#O#.O..........#O.....#OO.O...#.OO.....#...O....OO....#...O....O.#..O
..#...OO....OO......O....#..#..........##..##..#.....##...#..#O.....#OO......#........O.....O..O...#
.OO#...O#.O....#.........OO#...O#..O.#..O.O.O.#O......##.O.......O...O...###.O......O....O...#.OO#..
..O..O#O.#..O.#O...OOO#O.#.O....O.#......O....#....###....OO......O...#...OO.#....O........O#..#..OO
#..OO..O......#...##..O#.O........O.O...##.#O...O...#O#.O.O....#.............#.O#.#..O..#..OO#.....#
#..........O...O##.O#..O..OO..O.....#O.#.O......#......O.O....##.O#OO..O.O..O.O.O..#..O....O..#....O
.O.O...O.#..O.O....#.#.O.O.##.##..O..#OOOO.###...#O...#...O.....O...#.##.OO..O.#..#.O.#.......O....#
#....#....OOOOOOO.#...OO....##O.#..#......O..#..........O......##..O..###..#.O....O.......OO......#.
.O.O..##.O.#O.#...#....O..O.....#..##......O.......O..O#.O##.#........O..#.O.#.O.O..##..###..##.#...
..OOO..O##..OOOO.O.....OO##..O..O.#....#.....OO......O.OOO#...#O.OO...O.O......O#..O.##....###...#.O
....O...O.O....#..O#.O.....O.O.#.......O##...O#..OO.O.O##...#.....O#.###....O....#O.........OO..O.O.
O#.O......##..#.#..............#......#.#.OO#......##O#OO..OOO..##.O##....#..O...#......##O.O##...OO
...#OO....OO...O#.#..##....OO.#..#O......O#....#.O.....O.#O..OO.#..OO...O#.O#....O.#.OO.O.O#..O.....
#..O.OO#O...O..O..........#..#.#..#..#O.....#O#..O....#..O...O.#.#O#.#OO.....OOO.#..#.........O...O#
....O......#..........O...#.....OOOO........#.#OO.O............O...#....O........#....#....#........
...O.......###...O.O...#O.##O.OOO.........O.###.O.......O....O.O...O.#.....#..#O..#..OO..O.O...O....
O.O#....##.O.O.....O....#............OO.#O...O..#...##.#.#O#O.#.....O......O....#.OO#.O#....#.....O.
..O####.O.........O...........OO..OO.#.....O.......#..O#.O....O#...##.......#.#....O..O..O#..##.....
.#..#......O.##.O.OOO.O.OO....O.......#......#.O...OOOO...O..#..#.O.#......O...O#.#.O.#.O....O....O.
##....O.O..O..O.#...O##.......O....#...#OOO.O..##.....#....O.......#O..#.#O..O.#.......O..#.O.O#.O##
...O....O#O.#...#......#..O.O.O.O...O.....O..O.#..#.....O#...OO...#.O.O....#..OOO...#.....OO.OO..O..
O##.O.##.O#OO...OO...OO..O....OO#O.#O..O.O....OO..........O..#.O.#O#.......O.O..#O#....#..#...#O..#.
.#.#..........#.......#..OO#....O.#.#.O.....OO.#.O..#.#.O....#..O....#..#..O.#O#O.....#.O.O.#O.O.#O.
.O.#....##O...#..OOO.#......#...#.O.......OO....#.......#..#.OOO........OO..O..###O##..O.....O##....
OO##..O#....O.##.......O...#........O.O...#O#.#.OOO....#......#.#O.O.O..O..O...#.#.O.O.OOO.O#O......
#O...#....OOO.O...#O....O...O..........O..#..O#.O..#O.....#......#.#..#.OO..#....#O#....O...O....##.
.OOOO......##.#O.#O...#......O..#..O..#.O...O.OO...............#O...O..##..#.#....O...O..O.##..O.O..

157
aoc2023/day14/main.go Normal file
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@@ -0,0 +1,157 @@
package main
import (
"bufio"
_ "embed"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
"golang.org/x/exp/maps"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var maplist []Map
var m Map
for scan.Scan() {
text := scan.Text()
if len(text) == 0 {
maplist = append(maplist, m)
m = Map{}
}
m = append(m, []rune(text))
}
maplist = append(maplist, m)
score1 := 0
for _, m := range maplist {
m = aoc.Transpose(reverse(m))
m.Sort()
score1 += m.Score()
}
score2 := 0
type record [5]int
var current record
memo := make(map[record]int)
for _, m := range maplist {
// fmt.Println(m)
m = aoc.Transpose(reverse(m))
for i := 0; i < 1_000_000_000; i++ {
m, current = cycle(m)
v, ok := memo[current]
if ok && v > 1 {
counts := aoc.Reduce(
func(i int, v int, counts [3]int) [3]int {
counts[v]++
return counts
}, [3]int{}, maps.Values(memo)...)
// fmt.Println(i, counts)
i = 1_000_000_000 - (1_000_000_000-counts[0]-counts[1])%counts[2]
clear(memo)
}
memo[current] += 1
// fmt.Println(i, current, v)
}
score2 += m.Score()
}
return &result{valuePT1: score1, valuePT2: score2}, nil
}
type Map [][]rune
func (m Map) String() string {
var buf strings.Builder
for _, row := range m {
buf.WriteString(string(row))
buf.WriteRune('\n')
}
buf.WriteRune('\n')
return buf.String()
}
func (m *Map) Sort() {
if m == nil {
return
}
for _, row := range *m {
base := 0
for i, r := range row {
if r == '#' {
base = i + 1
continue
}
if r == 'O' {
if base < i {
row[base], row[i] = row[i], row[base]
}
base++
}
}
}
}
func (m *Map) Score() int {
if m == nil {
return 0
}
sum := 0
max := len(*m)
for _, row := range *m {
for i, r := range row {
if r == 'O' {
sum += max - i
}
}
}
return sum
}
func reverse(m Map) Map {
for _, row := range m {
aoc.Reverse(row)
}
return m
}
func cycle(m Map) (Map, [5]int) {
var current [5]int
m.Sort()
current[0] = m.Score()
m = aoc.Transpose(reverse(m))
m.Sort()
current[1] = m.Score()
m = aoc.Transpose(reverse(m))
m.Sort()
current[2] = m.Score()
m = aoc.Transpose(reverse(m))
m.Sort()
current[3] = m.Score()
m = aoc.Transpose(reverse(m))
current[4] = m.Score()
return m, current
}

45
aoc2023/day14/main_test.go Normal file
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@@ -0,0 +1,45 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 136)
is.Equal(result.valuePT2, 64)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.True(result.valuePT2 < 87286) // first submission
is.True(result.valuePT2 < 87292) // second submission
is.True(result.valuePT2 < 87287) // third submission
is.Equal(result.valuePT1, 110407)
is.Equal(result.valuePT2, 87273)
}

1
aoc2023/day15/example.txt Normal file
View File

@@ -0,0 +1 @@
rn=1,cm-,qp=3,cm=2,qp-,pc=4,ot=9,ab=5,pc-,pc=6,ot=7

1
aoc2023/day15/input.txt Normal file
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File diff suppressed because one or more lines are too long

136
aoc2023/day15/main.go Normal file
View File

@@ -0,0 +1,136 @@
package main
import (
"bufio"
_ "embed"
"fmt"
"slices"
"strings"
aoc "go.sour.is/advent-of-code"
)
var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
r := &result{}
var ops []string
for scan.Scan() {
text := scan.Text()
ops = strings.Split(text, ",")
r.valuePT1 = aoc.Reduce(func(i int, t string, sum int) int {
sum += hash(t)
return sum
}, 0, ops...)
}
var boxen boxes
boxen = aoc.Reduce(func(i int, op string, b boxes) boxes {
return b.Op(op)
}, boxen, ops...)
r.valuePT2 = boxen.Sum()
log(boxen)
return r, nil
}
func hash(s string) int {
var sum int
for _, a := range s {
sum += int(a)
sum *= 17
sum %= 256
}
return sum
}
type lens struct {
label string
value int
}
func (l lens) String() string {
return fmt.Sprintf("[%s %d]", l.label, l.value)
}
type box []lens
func (lis box) String() string {
var buf strings.Builder
if len(lis) > 0 {
buf.WriteString(lis[0].String())
}
for _, l := range lis[1:] {
buf.WriteString(l.String())
}
return buf.String()
}
type boxes [256]box
func (lis boxes) String() string {
var buf strings.Builder
buf.WriteString("Boxes:\n")
for i, b := range lis {
if len(b) > 0 {
fmt.Fprintf(&buf, "Box %d: %v\n", i, b)
}
}
return buf.String()
}
func (lis boxes) Op(op string) boxes {
if a, _, ok := strings.Cut(op, "-"); ok {
i := hash(a)
pos := slices.IndexFunc(lis[i], func(l lens) bool { return l.label == a })
if pos >= 0 {
lis[i] = append(lis[i][:pos], lis[i][pos+1:]...)
}
} else if a, b, ok := strings.Cut(op, "="); ok {
i := hash(a)
v := aoc.Atoi(b)
pos := slices.IndexFunc(lis[i], func(l lens) bool { return l.label == a })
if pos == -1 {
lis[i] = append(lis[i], lens{a, v})
} else {
lis[i][pos].value = v
}
}
return lis
}
func (lis boxes) Sum() int {
// return aoc.Reduce(func(b int, box box, sum int) int {
// return aoc.Reduce(
// func(s int, lens lens, sum int) int {
// return sum + (b+1)*(s+1)*lens.value
// }, sum, box...)
// }, 0, lis[:]...)
var sum int
for b := range lis {
for s := range lis[b] {
sum += (b + 1) * (s + 1) * lis[b][s].value
}
}
return sum
}

41
aoc2023/day15/main_test.go Normal file
View File

@@ -0,0 +1,41 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 1320)
is.Equal(result.valuePT2, 145)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 503154)
is.Equal(result.valuePT2, 251353)
}

10
aoc2023/day16/example.txt Normal file
View File

@@ -0,0 +1,10 @@
.|...\....
|.-.\.....
.....|-...
........|.
..........
.........\
..../.\\..
.-.-/..|..
.|....-|.\
..//.|....

110
aoc2023/day16/input.txt Normal file
View File

@@ -0,0 +1,110 @@
\.......................\..........................................-..................-.../................-..
....../.......\...-......-.|...\..............\.................|............././....-........................
...............-...-........................................\......\..-.............|......-....\....-........
..\..|.|...........................-.|........................................./.|....|................|......
|../................|............................................................\........../..\..............
........\............../................/..........................\...\....|............./....-.........\\...
.................-...-...................\../........-|.................../......-...........|................
........-............/...|-............-.....\.|..............-....-../\../..................\...\././........
........................-|................................................................-........-..........
-......./.................|.....\.................\.....//............-........./..../....|...................
....-.............-........-..........-|.......|...../...\...................\.....................|..........
...|...\.........|.................|.....|....-....\.......\./........................-.../..../.....-........
....|....-.-..............\.........|.......................-.......-..............\................/.........
.....|.\...........-.................-.-........../...\............|...............|...|......./.......|...../
.....\.........................-.../..-./...\...................../......\...-.......|.\........-|............
............|.....................................-....../....\.............../-...|...\..\................./.
......-./|....../............|.........\............-../...-......./.\..\....../......|/...\..................
................................|.......|..-..../.............................../.-..................-..-/..|.
...............................-......./......................|./...............-............./....../........
..................../....................\........\...........................-............/.../..............
.|||......../.................|.................../..\............................-......./..|...|/.-.........
......-......./\....../.........|....../.......-...............|.\........-............/.../..................
.....................-.\/|................//.../.........|.|......\.-..|.........|.........\..................
.........................\/.......|.|............................|........|.............................././..
.................................|.................\../..|/.................\.................-...-........-/.
......................-...-.........../...........................\....\......-..-.......\.-....\....|........
......-......../..............\/..................\..|........-..............|...-...../......|...............
|.......|.../....|..............//.....................|..........|/......../................|................
...|.|..................../|..../.-.......-...........|.....|./....\......-......-................|...........
......\/./.|\..../|.|..|..........-....|...........|.-.|...................-.\.....|....................\.....
......../.\......................|.....|...........|.........../.......|....|...|.......-......../......\...-.
...|...-...||......-..|..-...........|.-.................|.................................-..................
..............-.\.-........|......\..........................................\./.\........../.....|...........
../\.........|...............|............|.\/.-/.................-....|...-.................-.....|..../.....
....................../......../..../-.....\........................\..-.\....|....-.........../-.............
.................................|................|.........|................../|.....|....\\............/.\..
...///./.....\.................|/.....................\...................-............|................|.....
............-...........................--........\................/.............-\................\.....-.../
...............\.........../|............................|.....................\...-...\.....................-
...\.............|.............|................\............\|...../...|.........................|...........
..................|......|..........-.-..............\.........................\..............................
....-................../.........../...|................/...............|./.|.../....\..../......./......//...
...../....../..............................|...\../..........-..........-........-..//..../...................
...............-......|......................|./........./............/..-...........|../.....-........-./....
..\.........................|...-.......\.................|..............-........\....-.............-....|...
.......|......|....../........\...........|......-........../......-..................../....................\
.......................|....-..|........./.|.-...............|..\......\.....-.......\...-/....|/.........\...
\......\..-.....................\..........................\................................../...........\...
-....-......../............................................................../.\.......|..............|....-..
........|......................|.............-....\................................./..\.......|..........-...
...-...............|........./......\...../.......|...|...............\.../...\.../......|.....-.\......\.....
............./.....|......................|.....................................\...||.................-....|.
./.....-................/........|./....-......../......./..............\..................................\..
.../..../\........-..........................|.-/.|..\................\\-.......|......./...||.......|........
.....-.........................-...............\...........|.............-.\.../.|......-.|......../...-.....-
......\....................|...../......................|.../......-..|............|......./.../.........|....
...|...........-....................................../.|............./....|..../........./.....\../..........
....../.../................\........................\...\....\......\............../|...............\.-.......
./....\.../.............|............................-.../............../............/...........\...|........
............................|.................|/..........//.........../..-...............|...................
.....\......\.................|.....|...\-./...............\................|....../.....-..\........-....-...
........................./-........\................./........-/.|....-.......\............-/\......|.\...-...
..../../..|.|...............\.......................................-.........................................
...........|...................................................-...-......|..................\............../.
/....|......................................................................|\.../.......-...........-...|....
......|.-.\......-........|.....-..|.\..............-......./......-|.........................-...............
............\......................................|........................|.-...............................
.........-.........../....\./....../.-...-..//.........../.......\\...........................................
........\......../............./...-......\.../..|..|............................../......../..\..............
--.........|.....-...|............../...|.......|..............\|............|.........................|.-....
-\......./..............-....-....\...|.-........\/.\./............-/...\........|-.........../../...\........
.\|\..............-......-.\...-....\..........................\........|...........-......./.............../.
..........................|...\..../.../..........\.............-...//...............\..................-.....
........./..........................\............|-.....|..-...|......../........-...........................\
.......\.../.....\....../.......|..|...............-......................|....-...................-.|........
......|.......\.../..............................-..............................|......-.-...................\
/.....|.......-............/|.....|-......./..../......-........../..|......../.-..\..../....../...|..........
............/..--..........-............\.......\................\........................../../....|.........
..|..-................|.|..|................/.......\............-//.......................\..\...............
.......................-......-..................|....\................-......\.|....\....|..../../|.-........
........................-..................-...........................-..-................-................|.
/.\....|.-.................................\..-.....\./.........../-.|..............\..\.....--|/....\........
.......-..-../..................\..--|..............|...............|\........|...--................|./.\.....
..........|................-.......|..................................................|...................|...
-.-..|....-.|........-./...|.-.........\.....\/........-........\........../................./.../........\...
..................../...|/......................................../............\.|./../................/\|....
...//.........................\....../..............\../.......-..\....|......................................
............................./..|./../.........-/..\..........................................................
......\.....|..................|..................\.....\.-..\...../............................../...........
..........\...........-..........-.....-....\/................../.................................\.....|..\..
..../.\...................................\............\...\....|.................|.....................-.....
...........-...........................\.......|-../.|....|.....|......................-...../................
.......|.........\..............|....\...-......../...........-.....-..-...........-..................\...\.|.
...........|.......................|....-..........\............................\.................../.\.......
..../.................\.......-..|.................../........................|...............\...........-.|.
............./..|.-\..../.....-............-....|..\......|......../............-.........|................\..
...................\...\/......\............|......................\....|...................-./-..............
..-\...........|.................../.....|....|............................-..|............\.............\....
.|.....\....\........|..................\...............|..-/.........|.-/...........-............-...........
.....\...../......-............|........./..|............-........................\....-......................
......\......../........|..............\...-..-...|.......................................................|...
...................|.................................\.....\...........................|../.|.-......-........
..................|..............\.....\............|........../....../...............\.........\.............
..|...........-..../....\.........--...\................../.............-...-....................-..../....|..
.|...\...................|......-...........-\..........\.....|.....|..........|.........|....|-../...........
.............\|...................../\...............\....../.......-....\.....................-..............
.......//.....................\....\......\......\.........|...................../......../.........\......-..
.\./.........-...-./-.\.............../......|................................\|....\...../....-..............
.......|......../......../......./.........../...............|............................../..|......../.....
............./.........|.....-./.........../....-......./|......-................|............................

188
aoc2023/day16/main.go Normal file
View File

@@ -0,0 +1,188 @@
package main
import (
"bufio"
_ "embed"
"fmt"
aoc "go.sour.is/advent-of-code"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var m Map
for scan.Scan() {
text := scan.Text()
m = append(m, []rune(text))
}
rows := len(m)
cols := len(m[0])
options := make([]int, 2*(rows+cols)+2)
i := 0
for j := 0; j <= rows-1; j++ {
options[i+0] = runCycle(m, ray{[2]int{j, -1}, RT})
options[i+1] = runCycle(m, ray{[2]int{j, cols}, LF})
i += 2
}
for j := 0; j <= cols-1; j++ {
options[i+0] = runCycle(m, ray{[2]int{-1, j}, DN})
options[i+1] = runCycle(m, ray{[2]int{rows, j}, UP})
i += 2
}
// fmt.Println(options)
return &result{valuePT1: options[0], valuePT2: aoc.Max(options[0], options[1:]...)}, nil
}
type stack[T any] []T
func (s *stack[T]) Push(v T) {
if s == nil {
panic("nil stack")
}
*s = append(*s, v)
}
func (s *stack[T]) Pop() T {
if s == nil || len(*s) == 0 {
panic("empty stack")
}
defer func() { *s = (*s)[:len(*s)-1] }()
return (*s)[len(*s)-1]
}
var (
ZERO = [2]int{0, -1}
UP = [2]int{-1, 0}
DN = [2]int{1, 0}
LF = [2]int{0, -1}
RT = [2]int{0, 1}
)
type ray struct {
pos [2]int
dir [2]int
}
func (r *ray) next() [2]int {
r.pos[0] += r.dir[0]
r.pos[1] += r.dir[1]
return r.pos
}
type Map [][]rune
func (m *Map) Get(p [2]int) rune {
if p[0] < 0 || p[0] >= len((*m)) {
return 0
}
if p[1] < 0 || p[1] >= len((*m)[0]) {
return 0
}
return (*m)[p[0]][p[1]]
}
func runCycle(m Map, r ray) int {
current := r
s := stack[ray]{}
s.Push(current)
energized := make(map[[2]int]bool)
// energized[current.pos] = true
cycle := make(map[[4]int]bool)
for len(s) > 0 {
current = s.Pop()
r := m.Get(current.next())
// fmt.Println("pos", current.pos, current.dir, string(r), len(s))
if r == 0 {
continue
}
energized[current.pos] = true
v := [4]int{
current.pos[0],
current.pos[1],
current.dir[0],
current.dir[1],
}
if _, ok := cycle[v]; ok {
// fmt.Println("cycle")
continue
}
cycle[v] = true
switch r {
case '|':
switch current.dir {
case UP, DN:
// pass
case LF, RT:
current.dir = UP
s.Push(ray{current.pos, DN})
}
case '-':
switch current.dir {
case LF, RT:
// pass
case UP, DN:
current.dir = LF
s.Push(ray{current.pos, RT})
}
case '/':
switch current.dir {
case UP:
current.dir = RT
case DN:
current.dir = LF
case LF:
current.dir = DN
case RT:
current.dir = UP
}
case '\\':
switch current.dir {
case UP:
current.dir = LF
case DN:
current.dir = RT
case LF:
current.dir = UP
case RT:
current.dir = DN
}
}
s.Push(current)
}
// for i := range m {
// for j := range m[i] {
// if v := energized[[2]int{i,j}]; v {
// fmt.Print("#")
// } else {
// fmt.Print(".")
// }
// }
// fmt.Println("")
// }
return len(energized)
}

50
aoc2023/day16/main_test.go Normal file
View File

@@ -0,0 +1,50 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 46)
is.Equal(result.valuePT2, 51)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 8098)
is.Equal(result.valuePT2, 8335)
}
func TestStack(t *testing.T) {
is := is.New(t)
s := stack[int]{}
s.Push(5)
is.Equal(s.Pop(), 5)
}

13
aoc2023/day17/example.txt Normal file
View File

@@ -0,0 +1,13 @@
2413432311323
3215453535623
3255245654254
3446585845452
4546657867536
1438598798454
4457876987766
3637877979653
4654967986887
4564679986453
1224686865563
2546548887735
4322674655533

141
aoc2023/day17/input.txt Normal file
View File

@@ -0,0 +1,141 @@
222343122415245553243251316124223234134666332224124211645376775672443247264263475261513546522316162532215534453661231232515522214351143451211
422125443253354142511545636246664666565355152246453231651172747635424163415626462753445445312334225221624336126244661514234445544425223533122
131212112421423414125516356342555542626661163526211536677376523712262371162153644117776261645533664544366146314432523222515425314231311544521
131334344235153415214541223454455223563154114267331524774136127715554416125273543276346471735741663351266324144422511534542234341513351345352
314541545523112111131565114333211153312641614321771374726154434476767125613311254537363422511721275135434164664442151263234241114111121141334
435153335153513534132112326653656626231351436457153446433363235565156156723233715473535244413451723176561153261562445512312413413513135513241
235243535523134543445216214455445352435554624255171271225755313626173154112144673146273747537614771377613244145436355342536323123434425211113
132552152551514515631323412533333446136243376366556365574745474652757277632216317677316551253673465513776336664225626313216456312542531241352
311415311541314143614162642634556464574541744355655753776632763662153656721435137347422375344242225276244673434333351454464536453212424421425
453351344131342126143165264626543453632747531417235617257564537542611276314542732241535726557435722271523761452243145343543365433423153132344
424354321333252642533513531241416236636427325176724425161362563217173773414665312244155777552374513335344162564462411154332652126231133233331
433224533551436134314641523151361154615353522622137441214134673454347752343853221756746664765556521762762464233333523123643145626644231443435
243311313556533564523443331214721572253144611715156456321767676655457736255732864573164467712433421256325731135656541255561161224441152415141
511211214252345356344156642436611545463224342452742717585325436325574336455336582448256836717741726221177352616311422112513255165441212221131
244253443163544142511413446172632624762126756145146775348573476557644782564438437852836725866452746165474553473737534665123425113435563332453
232155346345514313654314235557517112176174776332136456448427547478426265844263882743533766568854547675464477171376662424251312612162632514355
424114441642564135264345176163444365144163124128832285838626688224834432458556377773645427653638562736676174576737574642156232566466636441124
543244331213246512421551417132132647763461226245235583478358556478588445828784366325778587856624776125647332126411416416253326543252561355453
513411632124243263566153173255453461117356682265475822242236525286334354628536868726586284535383867467645552277715213631624352612331534144225
234513324414264131211345613416736552211115685767773523645885727834464346536233245827443237753783724626566246761647646475456131431415434413214
132312323255146664114745115275443572754326543474673247542856435836784453584863735676475556838547655484787272216413226712176641452341133361621
324445311115236332563161165371142354332783687877726543524347444677384655338335874866474624655543543466338566764524432633543363631622335214314
452146561262254136627644671525514257523265444635773245326674352228844844533536247443486645863647324742823822411266212747246263222143515531123
323443456261326564347757145611113632534754323645837762327643383533554795688333775647234446628482555868382485343642524356327477353226234131236
323566623463524644662155345214734554448367587534458465333783778836737748873896436675564776876254472473382773351746477537426351164321556552155
411624314463555226413151162214157826642348553426375774773937688356445778864665387877397647688288645648488526683635462551221145364643422311353
632541423444624336526576464457777686224586376437338832948677343497666833369685846994446858346385546773453274862246234173462724342631561154224
353552612514333121215745416727247272652423544685753368594647394695658845883548858535734584333432476287445274435882257755366724515216151451335
532166314441574113623175262414284358754786632434337878589943898388748395969493754638344944356356855723827482463322173565111471477266643531656
116644351623354144151425116542234543365536844644456554366885339853375594997998864974865377578863643354482658652565456654732562467462642222633
425265565534525427323521564886284475834357765873953575557676864375449896735695696945686539933897587748627756658646775714547636543542445454453
535223341313647443711526456446656284686644344893747447894898636684595668686646634379736944587367734766868686525582828566224141647377452234555
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225
aoc2023/day17/main.go Normal file
View File

@@ -0,0 +1,225 @@
package main
import (
"bufio"
_ "embed"
"fmt"
aoc "go.sour.is/advent-of-code"
)
var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var m aoc.Map[int16, rune]
for scan.Scan() {
text := scan.Text()
m = append(m, []rune(text))
}
log("start day 17")
result := result{}
result.valuePT1 = search(m, 1, 3, seenFn)
log("result from part 1 = ", result.valuePT1)
result.valuePT2 = search(m, 4, 10, nil)
log("result from part 2 = ", result.valuePT2)
return &result, nil
}
type Point = aoc.Point[int16]
type Map = aoc.Map[int16, rune]
// rotate for changing direction
type rotate int8
const (
CW rotate = 1
CCW rotate = -1
)
// diretion of path steps
type direction int8
var (
U = Point{-1, 0}
R = Point{0, 1}
D = Point{1, 0}
L = Point{0, -1}
)
var directions = []Point{U, R, D, L}
var directionIDX = func() map[Point]direction {
m := make(map[Point]direction, len(directions))
for k, v := range directions {
m[v] = direction(k)
}
return m
}()
// position on the map
type position struct {
loc Point
direction Point
steps int8
}
func (p position) step() position {
return position{p.loc.Add(p.direction), p.direction, p.steps + 1}
}
func (p position) rotateAndStep(towards rotate) position {
d := directions[(int8(directionIDX[p.direction])+int8(towards)+4)%4]
return position{p.loc.Add(d), d, 1}
}
// implements FindPath graph interface
type graph struct {
min, max int8
m Map
target Point
reads int
seenFn func(a position) position
}
// Neighbors returns valid steps from given position. if at target returns none.
func (g *graph) Neighbors(current position) []position {
var nbs []position
if current.steps == 0 {
return []position{
{R, R, 1},
{D, D, 1},
}
}
if current.loc == g.target {
return nil
}
if left := current.rotateAndStep(CCW); current.steps >= g.min && g.m.Valid(left.loc) {
nbs = append(nbs, left)
}
if right := current.rotateAndStep(CW); current.steps >= g.min && g.m.Valid(right.loc) {
nbs = append(nbs, right)
}
if forward := current.step(); current.steps < g.max && g.m.Valid(forward.loc) {
nbs = append(nbs, forward)
}
return nbs
}
// Cost calculates heat cost to neighbor from map
func (g *graph) Cost(a, b position) int16 {
g.reads++
_, r, _ := g.m.Get(b.loc)
return int16(r - '0')
}
// Potential calculates distance to target
// func (g *graph) Potential(a position) int16 {
// return aoc.ManhattanDistance(a.loc, g.target)
// }
// Target returns true when target reached. receives node and cost.
func (g *graph) Target(a position, c int16) bool {
if a.loc == g.target && a.steps >= g.min && a.steps <= g.max {
return true
}
return false
}
// Seen attempt at simplifying the seen to use horizontal/vertical and no steps.
// It returns correct for part1 but not part 2..
func (g *graph) Seen(a position) position {
if g.seenFn != nil {
return g.seenFn(a)
}
return a
}
func seenFn(a position) position {
if a.direction == U {
a.direction = D
}
if a.direction == L {
a.direction = R
}
// a.steps = 0
return a
}
func search(m Map, minSteps, maxSteps int8, seenFn func(position) position) int {
rows, cols := m.Size()
start := Point{}
target := Point{rows - 1, cols - 1}
g := graph{min: minSteps, max: maxSteps, m: m, target: target, seenFn: seenFn}
cost, path, closed := aoc.FindPath[int16, position](&g, position{loc: start}, position{loc: target})
log("total map reads = ", g.reads, "cost = ", cost)
printGraph(m, path, closed, g.seenFn)
return int(cost)
}
// printGraph with the path/cost overlay
func printGraph(m Map, path []position, closed map[position]int16, seenFn func(a position) position) {
pts := make(map[Point]position, len(path))
for _, pt := range path {
pts[pt.loc] = pt
}
clpt := make(map[position]position, len(closed))
for pt := range closed {
clpt[position{loc: pt.loc, steps: pt.steps}] = pt
}
for r, row := range m {
// if r == 0 {
// for c := range row {
// if c == 0 {
// fmt.Print(" ")
// }
// fmt.Printf("% 5d", c)
// }
// fmt.Println("")
// }
for c := range row {
// if c == 0 {
// fmt.Printf("% 5d", r)
// }
if pt, ok := pts[Point{int16(r), int16(c)}]; ok {
if seenFn != nil {
pt = seenFn(pt)
}
_ = pt
// fmt.Printf("% 5d", closed[pt])
fmt.Print("*")
continue
}
// fmt.Print(" ....")
fmt.Print(" ")
}
fmt.Println("")
}
fmt.Println("")
}

41
aoc2023/day17/main_test.go Normal file
View File

@@ -0,0 +1,41 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 102)
is.Equal(result.valuePT2, 94)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 843)
is.Equal(result.valuePT2, 1017)
}

14
aoc2023/day18/example.txt Normal file
View File

@@ -0,0 +1,14 @@
R 6 (#70c710)
D 5 (#0dc571)
L 2 (#5713f0)
D 2 (#d2c081)
R 2 (#59c680)
D 2 (#411b91)
L 5 (#8ceee2)
U 2 (#caa173)
L 1 (#1b58a2)
U 2 (#caa171)
R 2 (#7807d2)
U 3 (#a77fa3)
L 2 (#015232)
U 2 (#7a21e3)

766
aoc2023/day18/input.txt Normal file
View File

@@ -0,0 +1,766 @@
R 4 (#0a7a60)
U 8 (#4453b3)
R 6 (#8e4f70)
U 2 (#4453b1)
R 4 (#0feb00)
U 4 (#355591)
R 8 (#2a09c0)
U 4 (#544c71)
R 4 (#472930)
U 2 (#199e33)
R 3 (#3d8df0)
U 5 (#199e31)
R 7 (#45de50)
U 4 (#57a941)
L 7 (#671c70)
U 5 (#5e5e81)
R 4 (#2e9b60)
U 8 (#490881)
L 7 (#1846f0)
U 3 (#304101)
L 4 (#1846f2)
D 2 (#58f3f1)
L 9 (#2e9b62)
D 2 (#56dcd1)
L 2 (#671c72)
D 9 (#275fd1)
L 4 (#76b7b2)
U 9 (#5b9641)
L 4 (#1d3212)
U 10 (#3d1841)
L 3 (#5ad5e2)
D 6 (#010211)
L 5 (#13ec52)
D 8 (#166471)
L 3 (#53ebc0)
D 5 (#0fdba1)
L 4 (#54e450)
D 9 (#440a21)
L 3 (#49b242)
D 5 (#2f0171)
L 6 (#447332)
D 4 (#182561)
L 8 (#1aaaa2)
D 6 (#0996a1)
L 4 (#1c1212)
D 6 (#5780d1)
L 7 (#0fc1d2)
D 7 (#36cb41)
L 3 (#505552)
D 7 (#8d8b81)
R 4 (#2bf742)
D 7 (#152791)
R 5 (#760492)
D 3 (#11a991)
R 3 (#5debc0)
D 10 (#59f211)
L 4 (#66d342)
D 8 (#1fc6b1)
R 4 (#66d340)
D 6 (#72dff1)
L 2 (#3f1b10)
D 4 (#2fca13)
L 10 (#2d0162)
D 5 (#8b5e53)
L 6 (#2d0160)
U 2 (#317053)
L 2 (#650c20)
U 7 (#2bed01)
R 10 (#409ed0)
U 2 (#166713)
L 10 (#939350)
U 6 (#166711)
L 4 (#38a180)
D 3 (#1d95f1)
L 6 (#11ea60)
D 5 (#931dc1)
R 6 (#11bf70)
D 7 (#536051)
L 3 (#995b60)
D 2 (#254e91)
L 3 (#332fd2)
U 6 (#7669f1)
L 3 (#574642)
U 6 (#1778a1)
L 3 (#1a00c2)
U 5 (#2eaa81)
L 3 (#1cf8e2)
U 6 (#0c71a1)
L 6 (#868472)
U 3 (#0a9fd1)
R 9 (#104c02)
U 4 (#082451)
L 7 (#850d02)
U 6 (#082453)
L 7 (#322552)
U 3 (#1339d1)
L 6 (#8e11d2)
U 4 (#6c5691)
R 6 (#1dda10)
U 3 (#25e5c3)
R 7 (#370670)
U 4 (#9324f1)
L 3 (#451030)
U 7 (#1f1021)
L 7 (#0ba3c0)
U 5 (#8a10a3)
L 8 (#67db30)
U 5 (#282473)
L 4 (#0cd350)
U 4 (#25e5c1)
R 3 (#6b4ee0)
U 4 (#333cf1)
R 5 (#02b610)
D 4 (#4e7cc1)
R 3 (#92abb0)
U 5 (#2f6ff1)
R 5 (#483360)
U 5 (#7b1cd1)
L 8 (#3a5d50)
U 3 (#1d2461)
R 8 (#3b2fd0)
U 5 (#630763)
R 6 (#5033c0)
U 3 (#252523)
R 7 (#08eeb0)
U 8 (#516633)
L 7 (#156240)
U 4 (#2db063)
L 3 (#791070)
D 5 (#2920a3)
L 3 (#0dafe0)
U 5 (#4185b3)
L 5 (#7ac0e0)
U 2 (#5a6cd3)
L 2 (#3ca790)
U 7 (#755403)
L 4 (#3b0740)
U 5 (#2004a3)
L 3 (#2db4f0)
U 6 (#602a23)
R 5 (#32c1c0)
D 2 (#000f53)
R 5 (#388360)
D 7 (#24d9e3)
R 4 (#4703a0)
D 3 (#2f1133)
R 3 (#4703a2)
U 11 (#52e853)
R 5 (#278132)
D 11 (#0665e3)
R 3 (#239112)
U 6 (#8f0ad1)
R 5 (#447de2)
U 6 (#8f0ad3)
R 6 (#636122)
U 2 (#187283)
R 3 (#5aae62)
U 10 (#1d8833)
L 5 (#476db0)
U 5 (#136393)
L 7 (#29e6b0)
U 5 (#136391)
R 7 (#3ba060)
U 3 (#635e23)
L 5 (#2042f0)
U 3 (#181643)
L 6 (#5af952)
U 8 (#28d0b1)
L 2 (#4a98f2)
U 9 (#28d0b3)
L 6 (#27a572)
D 3 (#3d7213)
L 4 (#516842)
D 11 (#21ef63)
L 5 (#38e342)
D 2 (#1118b3)
L 3 (#560502)
D 9 (#1118b1)
R 2 (#1c39a2)
D 2 (#303ab3)
R 6 (#716ba0)
D 6 (#780a93)
L 8 (#77ec30)
U 2 (#780a91)
L 3 (#271100)
U 10 (#5882f3)
L 4 (#2050c2)
D 3 (#434843)
L 3 (#7d9572)
D 2 (#3129b3)
L 5 (#21fb12)
D 5 (#8c2c33)
L 4 (#57bf92)
D 6 (#2730b3)
L 4 (#6a3902)
D 8 (#4656a3)
L 5 (#60ac80)
D 4 (#43b863)
R 9 (#3d69a0)
D 8 (#3ca913)
L 2 (#411d80)
D 3 (#725383)
L 8 (#4a98d0)
D 9 (#274553)
L 5 (#580d60)
U 5 (#568223)
L 6 (#473af0)
U 5 (#827593)
L 7 (#251dc2)
U 5 (#0fcea3)
L 8 (#5ae3d2)
U 3 (#4efa11)
R 9 (#389852)
U 2 (#7f7f91)
R 6 (#618342)
U 3 (#441143)
L 7 (#886df2)
U 3 (#26a093)
L 8 (#886df0)
U 4 (#63c7d3)
L 3 (#04f842)
D 10 (#0fcea1)
L 6 (#388e62)
U 10 (#3ae7f3)
L 3 (#2a6880)
U 6 (#3bfd53)
L 6 (#73a0c0)
U 5 (#3bfd51)
L 4 (#0d18a0)
U 2 (#19da93)
L 6 (#120600)
U 8 (#233b53)
L 6 (#2e1050)
U 3 (#4b2aa3)
L 4 (#5f9930)
U 10 (#6e65f1)
R 6 (#1eefa0)
U 9 (#50b9d3)
R 2 (#548ed0)
U 9 (#50b9d1)
R 7 (#8bd9f0)
U 4 (#5ae473)
R 6 (#0b0490)
U 10 (#186891)
R 4 (#764830)
U 7 (#33b0e1)
R 5 (#363c90)
U 8 (#7bd631)
R 7 (#031e30)
U 7 (#095881)
R 3 (#640e50)
D 5 (#02e7f3)
R 7 (#0922f0)
D 7 (#6b7af3)
R 9 (#0922f2)
D 3 (#62e543)
R 3 (#21e320)
U 9 (#5ead81)
R 7 (#01fd70)
D 9 (#3b0cf1)
R 2 (#2758a0)
D 5 (#7279b1)
R 8 (#5c7dc0)
D 7 (#3c8db1)
R 4 (#3c3740)
U 2 (#26b151)
R 6 (#11eb12)
U 4 (#587921)
R 6 (#11eb10)
U 4 (#320051)
R 4 (#038630)
U 3 (#6a2e61)
R 2 (#4ff680)
U 5 (#3c57f1)
R 9 (#0b2440)
U 8 (#497533)
L 6 (#704680)
U 11 (#549113)
R 6 (#23b470)
U 4 (#9e0641)
R 7 (#1aeec0)
D 7 (#4a6331)
R 2 (#547d80)
D 5 (#457a71)
R 9 (#7daa90)
D 4 (#16d7b1)
L 6 (#266810)
D 3 (#363561)
L 5 (#5312b2)
D 4 (#42c301)
R 5 (#9a0952)
D 7 (#42c303)
R 7 (#7d1df2)
D 4 (#51e321)
R 5 (#609422)
D 4 (#3b8f01)
R 6 (#644792)
U 4 (#2d8b11)
R 7 (#22bbc2)
D 7 (#6b39b1)
R 5 (#680e72)
U 2 (#7f9f31)
R 3 (#0e9b52)
U 3 (#3086c1)
R 3 (#5a60c0)
U 6 (#53b6e3)
R 7 (#8117d0)
U 7 (#53b6e1)
R 3 (#2cb930)
U 3 (#1bffd1)
R 6 (#4539f0)
U 8 (#680411)
R 4 (#6032c0)
U 6 (#255061)
R 3 (#5562a0)
U 6 (#088071)
R 3 (#3bf2f0)
U 5 (#52bdb1)
L 6 (#070500)
U 5 (#69e001)
R 6 (#070502)
U 3 (#071051)
R 2 (#036000)
U 4 (#0ea8a1)
R 5 (#05e4d0)
U 3 (#674de1)
R 3 (#804250)
D 6 (#3ffca1)
R 4 (#23dcb2)
D 6 (#9f9841)
L 5 (#45f210)
D 9 (#15efc1)
R 5 (#45f212)
D 4 (#969551)
L 9 (#23dcb0)
D 2 (#41bea1)
L 4 (#2f2a32)
D 4 (#71ffd1)
R 3 (#5c0bb2)
D 7 (#6f3501)
R 4 (#2b0a72)
D 4 (#7b3571)
R 3 (#1c67d2)
U 11 (#42f011)
R 3 (#51ae62)
D 3 (#75fcf1)
R 3 (#1f4742)
D 4 (#2813f1)
R 4 (#3d1812)
D 2 (#2b1d01)
R 11 (#1eb302)
U 3 (#27b0a1)
R 4 (#227b20)
U 5 (#34b7e1)
R 10 (#201220)
U 7 (#0502f3)
R 4 (#5ab7f0)
U 4 (#0502f1)
R 4 (#5d09b0)
U 7 (#504a81)
R 7 (#1e8250)
U 3 (#715aa1)
R 6 (#26d290)
U 6 (#9a12f1)
L 3 (#18be90)
U 8 (#037d11)
L 5 (#647600)
U 3 (#40b983)
L 5 (#04e450)
U 3 (#9a9a43)
L 8 (#04e452)
U 6 (#8af153)
R 8 (#6cbc90)
U 4 (#04d121)
L 4 (#285292)
U 3 (#688d51)
L 6 (#176332)
U 4 (#400a91)
L 5 (#176330)
U 5 (#43def1)
R 2 (#285290)
U 2 (#3e0711)
R 3 (#7eb9c0)
U 7 (#36f611)
R 7 (#666af0)
D 7 (#381b31)
R 3 (#298922)
U 3 (#475671)
R 6 (#977c12)
D 4 (#602d01)
R 6 (#25b0c2)
D 6 (#7ede81)
R 3 (#1d58c2)
D 8 (#873523)
L 9 (#265ae2)
D 3 (#57d663)
R 7 (#1565c2)
D 8 (#06ed11)
R 4 (#a348c2)
D 2 (#06ed13)
R 8 (#12d052)
D 4 (#2d3741)
L 7 (#0ccfd2)
D 3 (#1fcd61)
R 4 (#39a4c2)
D 3 (#44f7f1)
R 6 (#5c3202)
D 8 (#2625c1)
L 8 (#2b08c2)
D 2 (#20d7e1)
L 2 (#67b892)
D 10 (#546471)
R 7 (#484ef2)
D 7 (#49bc91)
R 4 (#91aa72)
U 11 (#499591)
R 3 (#0048b2)
U 7 (#34a7a1)
R 7 (#514600)
U 8 (#1cdc43)
L 7 (#471470)
U 3 (#8c8393)
R 3 (#18a780)
U 5 (#8c8391)
R 3 (#4e6f80)
U 3 (#1cdc41)
R 8 (#428930)
U 5 (#5dcb51)
R 3 (#4b21e2)
U 4 (#0464b1)
R 9 (#850552)
D 8 (#464881)
R 7 (#543852)
D 3 (#2d3a11)
R 3 (#081b22)
D 5 (#0cc731)
R 7 (#6990e0)
D 3 (#79d7b1)
R 3 (#509520)
D 5 (#438571)
R 3 (#27d510)
D 3 (#30d2d3)
L 8 (#1b7a00)
D 5 (#8a0da3)
L 8 (#1b7a02)
U 5 (#027cb3)
L 7 (#350130)
D 8 (#2ff771)
R 7 (#16dc02)
D 2 (#68f1c1)
R 5 (#02f782)
D 6 (#4e2a41)
R 11 (#448e32)
D 5 (#2cfac1)
L 11 (#417502)
D 5 (#2cfac3)
L 4 (#22f022)
U 9 (#1e9f01)
L 5 (#543572)
U 3 (#076e31)
L 6 (#081b20)
U 5 (#1ae851)
L 3 (#823132)
U 9 (#2d7993)
L 4 (#5738f2)
D 8 (#79e273)
L 4 (#5c9ad2)
D 8 (#4ed1b3)
L 3 (#311722)
D 4 (#0d5493)
L 6 (#5d63e0)
D 6 (#178cf3)
L 5 (#75b1b0)
D 5 (#178cf1)
L 6 (#11d550)
D 6 (#44ed03)
L 3 (#76a842)
U 6 (#3b6993)
L 5 (#184892)
D 4 (#5c8163)
L 3 (#14d872)
U 2 (#261a01)
L 5 (#2d01e2)
U 9 (#326ca3)
L 4 (#59ad32)
U 8 (#326ca1)
R 4 (#389ab2)
U 9 (#261a03)
L 4 (#50cb42)
D 4 (#2f8263)
L 5 (#9f3752)
D 6 (#4bb383)
L 4 (#2693f2)
D 4 (#19dca3)
R 4 (#475bc2)
D 6 (#960e13)
L 7 (#0c90a2)
D 8 (#3463d3)
L 6 (#5a82e2)
D 3 (#5a5c43)
R 7 (#120bf2)
D 3 (#5069e3)
R 3 (#4b47a2)
D 6 (#635b63)
R 4 (#66ca10)
U 4 (#1418f1)
R 7 (#1d5470)
D 4 (#1418f3)
R 8 (#66d4f0)
D 5 (#3c5533)
R 4 (#2f6e02)
D 3 (#2cf5e3)
R 4 (#633ec2)
D 7 (#2cf5e1)
R 7 (#5846b2)
D 3 (#4f9d63)
R 4 (#533380)
D 11 (#13c7e3)
R 2 (#222b62)
D 3 (#928ab3)
R 5 (#222b60)
U 5 (#0a4793)
R 5 (#15d3b0)
U 8 (#363fe1)
R 4 (#2feb30)
U 5 (#05d8b1)
R 3 (#39e030)
U 3 (#05d8b3)
R 2 (#3cd780)
U 8 (#02c781)
R 5 (#186452)
D 3 (#37bba1)
R 5 (#9e1232)
D 5 (#58e6f1)
R 5 (#182c30)
D 5 (#072db1)
R 5 (#85e600)
D 4 (#607651)
R 5 (#186450)
D 3 (#0aca91)
L 5 (#0ceb10)
D 5 (#860001)
L 6 (#54c8b0)
U 5 (#393971)
L 4 (#37c390)
D 3 (#1f1433)
L 5 (#3d8790)
D 6 (#353623)
R 4 (#78c830)
D 4 (#6fafa3)
R 6 (#2b0612)
D 5 (#31fff3)
R 7 (#8b49b2)
D 9 (#6f0ee3)
R 5 (#4212e0)
D 6 (#5d11f3)
R 6 (#648340)
D 8 (#393743)
R 6 (#34ddd0)
U 8 (#346fb3)
R 5 (#34fc22)
D 4 (#71c453)
R 6 (#5048f2)
D 4 (#0bb993)
R 4 (#42b9f0)
D 9 (#5cdf83)
R 5 (#42b9f2)
D 3 (#6f3f93)
R 3 (#3dbae2)
D 8 (#495363)
R 9 (#328ba2)
D 3 (#77afa1)
R 5 (#575710)
D 2 (#10d861)
R 4 (#257822)
D 4 (#6efe61)
R 9 (#257820)
D 5 (#521d01)
R 5 (#575712)
D 6 (#494cf1)
L 5 (#683ab2)
D 4 (#5e79c3)
L 3 (#4242a2)
D 4 (#5e79c1)
L 7 (#2c3442)
D 8 (#2fbd23)
L 5 (#636fb2)
D 5 (#63bd53)
L 2 (#299960)
D 6 (#31ea33)
R 3 (#51dfb0)
D 7 (#4e4ec3)
R 4 (#7b7912)
D 5 (#4b4bf3)
R 4 (#54e882)
D 5 (#7d2193)
R 3 (#3b77d2)
D 3 (#826973)
R 8 (#646ec2)
D 4 (#076c63)
L 10 (#674052)
D 6 (#3676b1)
L 9 (#3bd890)
D 4 (#7feb71)
L 3 (#3bd892)
D 3 (#27fc21)
R 8 (#66bba2)
D 8 (#645c73)
R 5 (#43e132)
D 5 (#51d9e3)
R 8 (#43e130)
D 6 (#2827f3)
R 4 (#412c92)
D 5 (#7e7f63)
L 4 (#218122)
D 4 (#546e83)
L 9 (#82f672)
D 8 (#6ed383)
L 3 (#701412)
D 7 (#47de23)
L 5 (#46f912)
D 7 (#0d9ec3)
L 4 (#515142)
D 3 (#4699e3)
L 9 (#2ed562)
U 6 (#00a273)
L 9 (#8d7d12)
U 2 (#6c3a83)
L 7 (#318fa2)
U 7 (#0bd473)
L 2 (#6d5050)
U 10 (#415673)
R 3 (#9e8420)
U 6 (#1ff213)
R 5 (#0c8bf0)
U 2 (#479a11)
R 6 (#977360)
U 5 (#479a13)
L 8 (#250680)
U 2 (#1ff211)
L 3 (#216630)
U 3 (#22d143)
L 3 (#3b4342)
U 7 (#9d4ff3)
L 5 (#43aca2)
U 6 (#29efd3)
L 3 (#5c6a12)
D 11 (#134a73)
L 6 (#2a0982)
U 11 (#444723)
L 4 (#47e2e2)
U 4 (#6855c3)
L 4 (#06a382)
U 4 (#2222e3)
R 3 (#4edc62)
U 6 (#9a2683)
R 6 (#131872)
U 10 (#4f5a23)
R 4 (#858f70)
U 5 (#4d4823)
L 9 (#3f73f0)
U 3 (#46f5a3)
L 4 (#935370)
U 4 (#46f5a1)
L 5 (#3ca140)
U 6 (#07b1e3)
L 5 (#61ecd0)
U 5 (#654743)
L 5 (#3cec42)
U 6 (#30bb83)
R 3 (#920782)
U 6 (#1f9323)
R 8 (#3d8aa2)
U 8 (#7492c3)
R 3 (#301cd2)
U 3 (#32e2f1)
R 4 (#6936f2)
U 6 (#32e2f3)
R 6 (#5112c2)
U 7 (#535b53)
L 10 (#61f4d0)
U 3 (#915863)
L 2 (#51d540)
U 5 (#32dee1)
L 10 (#4ec320)
U 5 (#406bc1)
L 2 (#1b3890)
U 3 (#681181)
L 6 (#35ed60)
D 9 (#153fd3)
L 5 (#323e30)
U 5 (#381ad3)
L 3 (#69a550)
U 3 (#310f63)
L 4 (#2cbb80)
U 5 (#3448a3)
R 6 (#206282)
U 5 (#202ab1)
L 6 (#83af82)
U 4 (#202ab3)
L 4 (#248d02)
D 9 (#28a983)
L 4 (#32cf10)
D 7 (#249d73)
R 4 (#2f5c70)
D 6 (#021c93)
L 7 (#957782)
D 6 (#550e53)
R 5 (#957780)
D 6 (#50bb13)
R 9 (#49b7f2)
U 6 (#096e93)
R 4 (#769452)
D 3 (#6dc543)
R 5 (#2ad352)
D 7 (#167963)
L 10 (#673682)
D 5 (#152883)
L 10 (#13f332)
D 3 (#996721)
L 4 (#4be2a2)
D 4 (#9c2443)
L 4 (#2b83b0)
D 3 (#5d63b3)
L 9 (#9cfd40)
D 7 (#49e793)
L 7 (#0b5422)
D 8 (#5c51b3)
L 2 (#6db152)
D 4 (#215b53)
L 3 (#38dc12)
D 8 (#7dad01)
L 6 (#559e22)
D 3 (#929d23)
L 2 (#0f7560)
D 6 (#448d13)
L 7 (#73a972)
D 2 (#2221c3)
L 3 (#73a970)
D 5 (#53b553)
R 10 (#513590)
D 3 (#293c83)
L 10 (#58e2e0)
D 4 (#54dd21)
L 5 (#1bcdf2)
D 5 (#4b0b71)
L 5 (#1bcdf0)
U 6 (#43b811)
L 5 (#4df1d0)
U 6 (#36d6a3)
R 5 (#3bfb20)
U 5 (#75de61)
L 5 (#1e0ec2)
U 4 (#30b571)
L 7 (#2dfd20)
D 5 (#49ad61)
L 2 (#2dfd22)
D 11 (#715d41)
L 3 (#1e0ec0)
U 4 (#0f2091)
L 4 (#9d29c0)
U 9 (#475a73)
L 2 (#108610)
U 3 (#1e5423)
L 8 (#394192)
U 3 (#0274b3)

89
aoc2023/day18/main.go Normal file
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@@ -0,0 +1,89 @@
package main
import (
"bufio"
_ "embed"
"fmt"
"strconv"
"strings"
aoc "go.sour.is/advent-of-code"
"golang.org/x/exp/maps"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var vecsPT1 []aoc.Vector
var vecsPT2 []aoc.Vector
for scan.Scan() {
text := scan.Text()
if len(text) == 0 {
continue
}
v, color := fromLine(text)
vecsPT1 = append(vecsPT1, v)
vecsPT2 = append(vecsPT2, fromColor(color))
}
return &result{
valuePT1: findArea(vecsPT1),
valuePT2: findArea(vecsPT2),
}, nil
}
var OFFSET = map[string]aoc.Point[int]{
"R": {0, 1},
"D": {1, 0},
"L": {0, -1},
"U": {-1, 0},
}
var OFFSET_INDEXES = maps.Values(OFFSET)
func fromLine(text string) (aoc.Vector, string) {
v := aoc.Vector{}
s, text, _ := strings.Cut(text, " ")
v.Offset = OFFSET[s]
s, text, _ = strings.Cut(text, " ")
v.Scale = aoc.Atoi(s)
_, text, _ = strings.Cut(text, "(#")
s, _, _ = strings.Cut(text, ")")
return v, s
}
func fromColor(c string) aoc.Vector {
scale, _ := strconv.ParseInt(c[:5], 16, 64)
offset := OFFSET_INDEXES[c[5]-'0']
return aoc.Vector{
Offset: offset,
Scale: int(scale),
}
}
func findArea(vecs []aoc.Vector) int {
shoelace := []aoc.Point[int]{{0, 0}}
borderLength := 0
for _, vec := range vecs {
shoelace = append(shoelace, shoelace[len(shoelace)-1].Add(vec.Point()))
borderLength += vec.Scale
}
return aoc.NumPoints(shoelace, borderLength)
}

42
aoc2023/day18/main_test.go Normal file
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@@ -0,0 +1,42 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 62)
is.Equal(result.valuePT2, 952408144115)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.True(result.valuePT1 < 68834) // first attempt too high.
is.Equal(result.valuePT1, 46334)
is.Equal(result.valuePT2, 102000662718092)
}

17
aoc2023/day19/example.txt Normal file
View File

@@ -0,0 +1,17 @@
px{a<2006:qkq,m>2090:A,rfg}
pv{a>1716:R,A}
lnx{m>1548:A,A}
rfg{s<537:gd,x>2440:R,A}
qs{s>3448:A,lnx}
qkq{x<1416:A,crn}
crn{x>2662:A,R}
in{s<1351:px,qqz}
qqz{s>2770:qs,m<1801:hdj,R}
gd{a>3333:R,R}
hdj{m>838:A,pv}
{x=787,m=2655,a=1222,s=2876}
{x=1679,m=44,a=2067,s=496}
{x=2036,m=264,a=79,s=2244}
{x=2461,m=1339,a=466,s=291}
{x=2127,m=1623,a=2188,s=1013}

780
aoc2023/day19/input.txt Normal file
View File

@@ -0,0 +1,780 @@
ztj{s<2703:A,m<1025:vk,ztl}
nqt{a>3513:R,s>2424:R,m>929:R,A}
mr{s>2281:R,A}
gf{x>2746:R,a<3379:jcl,R}
gkv{x>2579:qlx,s>322:rxv,R}
gdl{x<2917:A,s>82:A,s<54:R,R}
hzc{m<1277:R,m>1355:A,x>953:A,R}
xs{x>2337:ft,m>1444:A,R}
hs{m<235:A,a<2424:A,x<3026:pvh,hqk}
cls{a<1361:zch,s<3630:tnh,a<2359:px,spb}
gq{m<1157:A,R}
hc{m<2726:A,s>1302:A,R}
lt{x>3157:A,a<3669:R,R}
sf{x<3199:R,s>2680:jrl,x>3718:jh,R}
hr{m>1737:A,A}
bgg{x<171:A,x<283:R,R}
pgb{m<1624:ksc,x>2675:bzc,bzn}
zm{m<2599:sjc,m>3497:A,m<2946:A,A}
gbb{x>860:bxv,a<2306:br,msc}
gsl{x>53:A,A}
zs{x<1669:kp,x<2690:ns,s>2951:cls,tvv}
qhq{x<1264:A,m<1728:A,R}
gg{s<239:A,s>340:R,x>3642:A,R}
ktx{m>2620:R,m>2073:R,a<3539:R,R}
xg{x<3497:fp,sgc}
pms{m<3366:R,x>3570:A,R}
gsb{x>2077:A,A}
xf{s>3779:A,R}
tfs{s>3844:rb,s<3703:scg,bk}
bgb{a>2837:R,a>2812:A,A}
nvk{s<2358:mr,x>2818:nqt,x<2757:lf,R}
fg{a>1961:A,x<68:R,R}
cfz{x>1567:A,m>951:A,a<2959:R,A}
ljt{m>950:A,m<557:R,m<745:A,R}
zcq{m>1403:th,fd}
tbv{a>1532:R,R}
dq{m>960:R,csz}
tvv{a<2619:zh,m>1623:kb,vh}
dzz{s>3136:R,s<2702:A,a>2889:R,R}
lg{a<66:A,s>784:A,s>263:A,A}
zfk{s<463:R,x>3180:A,R}
bdh{s>356:A,s>193:A,m>482:R,R}
tc{m>3454:R,x>3211:A,A}
tz{x>3191:R,a<1319:R,R}
cpn{m<2478:A,a<2228:A,a>3262:A,A}
qmt{x<2144:R,flt}
nsp{m<379:R,R}
sxt{s<1011:A,a>1135:A,rl}
bjg{m>973:lz,x>243:hh,a>1789:xl,xmg}
cj{x>2137:nst,m<3002:A,s>3193:jc,pfr}
lmc{a>2967:A,A}
tv{m>1493:A,m<769:A,R}
khc{m>2346:mbr,s>596:kvr,a<274:fzh,tb}
zbk{s>1140:qrt,x>1818:pv,a>540:gt,gxc}
kk{s>3728:R,s>3683:R,m<562:A,A}
jv{m<848:zpq,a>1225:fsv,ztj}
shb{a<242:A,m>2625:R,R}
fhg{m>1372:R,A}
dg{x>1246:qd,s<3289:lbf,a<1032:zzp,ks}
cfq{s>2689:A,s>2613:R,A}
gl{m>2798:cqm,s>3029:cnl,m>2233:A,qc}
tkv{m<1884:A,A}
fdm{m<1549:tgt,x<2498:kdf,s>528:jz,lt}
vx{x<2948:xc,mgp}
bs{m<687:A,R}
kp{x>609:dkr,tqc}
xpj{x<934:A,a>1772:A,A}
rhd{x>956:A,a<2471:A,a<3414:A,A}
srg{m>1381:A,s<264:A,A}
szv{s>453:mff,nzj}
ldl{a>3906:A,A}
rxv{m<1632:R,m>1700:R,R}
ch{s<3588:A,a<639:A,R}
sc{s>2789:A,a<1419:R,R}
gk{m>415:R,x>508:A,a<3053:R,R}
rs{s<1893:R,m>2997:R,x<2049:R,R}
ncn{s<722:R,m>3562:A,s>773:jm,vr}
kz{x>3160:A,A}
xxt{s>1035:R,a<942:R,R}
pfr{m<3520:A,A}
nh{a<638:mv,s>865:vm,nrf}
sg{s>3051:vps,m>2918:A,zhs}
xnj{x>3494:A,m>584:A,a<1897:A,R}
jg{s<2380:R,a<2211:A,A}
cqm{s<3107:R,a>3295:R,m>3224:R,A}
hgv{m<203:A,s>107:R,A}
vqt{x<2609:xkn,bnt}
ft{s>3154:A,m>1087:R,A}
qv{a>621:A,a>259:xp,m<2439:fbv,kpq}
lzv{x<2186:gpt,lsb}
lx{x>3655:A,s>2359:A,s>2271:R,R}
xfj{s<407:sxx,R}
tnh{x<3164:vx,js}
mbr{s<671:A,R}
tbn{m<2151:A,x<3001:R,R}
zhp{m<3768:fgp,x>3307:rv,kj}
qd{s<3201:A,s>3491:hgt,x>1468:A,R}
qdk{s<1950:R,R}
vn{s>2814:A,m>386:A,A}
lv{x>3090:A,s>2406:znh,R}
km{m>2029:A,m>1871:A,s<2456:A,R}
ppc{m>2718:R,x<2889:A,x>3361:A,R}
bk{a<3189:A,m>846:R,R}
ht{s>2582:jts,x<3333:hx,rgx}
bb{x<3122:A,x>3258:R,m>3625:A,A}
fd{m>650:R,x<450:A,a<2254:gb,gk}
dcf{s>1084:tzp,gbb}
pm{x>3659:A,m<3539:R,A}
hj{a>3260:hrn,A}
ds{m>767:A,m>718:A,R}
ccv{a<2781:R,a<2905:hd,s<1781:A,qdk}
vh{s<2473:lpg,m>643:cmn,s>2647:vkk,ht}
zld{x<3737:A,xst}
djf{x<748:R,R}
jfx{m>1768:gz,m>802:jfs,m<437:cl,snl}
vft{x<2121:dn,m<2486:kf,x<2180:qmt,vsj}
bc{m<369:hs,a<2050:dfd,m>584:mx,vqt}
dn{a<799:vbr,m<1868:A,s<1387:skb,rs}
kxl{a<1795:A,s>3664:A,s<3514:R,R}
bh{x>3971:A,R}
pv{x>1877:R,s<517:R,m>2313:R,A}
vzj{s<1879:cth,vc}
fc{a<2156:ths,zbc}
cs{a>2745:A,x>2067:A,s>2357:R,A}
nsj{a>2800:A,m<2010:R,R}
lsb{a>2810:R,x>2463:A,m>2877:R,bz}
nl{x<2336:A,x>2529:A,A}
pk{m<2800:A,s>3027:R,x<487:A,A}
bzn{m<1838:R,A}
qrt{s>1765:R,s>1529:A,s>1302:zdc,kzp}
srn{m<3131:zbr,a>3269:phc,x<2610:R,xd}
lz{m<1282:pzk,s>1085:gld,A}
spb{x<3144:krj,sx}
mqz{m>467:sm,m<282:R,s<969:hhs,jfp}
mff{s<632:A,x>625:R,dzt}
hgt{m<2577:A,s<3667:A,s>3805:R,R}
xpv{a<3077:R,R}
rf{m>3497:gv,a>334:vhk,A}
rsc{s>1811:A,jk}
vkl{a>1095:A,a<912:R,R}
mpn{a>3161:pdk,x>3461:zld,ff}
pzk{s>1180:R,m>1114:R,x>299:A,R}
vf{x<492:R,s<3334:R,R}
kjv{m<719:bc,vhc}
ks{m>2088:kxl,a>1906:ll,gq}
vm{m>1632:vb,qcr}
ph{a<2292:qzf,A}
xn{x<2461:qln,R}
px{a<1762:xg,x>3186:jfx,fc}
fzz{x<3174:mq,a>1103:nn,m<533:bgn,mdq}
xl{x>116:lmr,m<712:nvq,a>2807:jmf,R}
br{s>958:xxt,x<537:bnn,a<1228:R,ssr}
mcl{x>3441:R,s<2530:R,R}
gn{a<3598:R,a>3777:A,x>861:A,R}
scg{a>3029:A,s>3661:A,R}
kr{m<471:R,hz}
xfc{s>3354:R,R}
th{a>1860:vf,a>789:pk,mt}
nm{s<2242:A,x>3062:kz,R}
xp{m<2732:R,a<441:R,A}
fzh{a>101:A,x>3191:R,A}
bn{x<3725:R,a>499:R,R}
kmh{s>1727:A,a>1678:A,a<1550:A,A}
dj{m<2927:R,m>3578:A,x>1056:R,A}
jz{x>3123:A,a>3678:A,x>2902:R,R}
qq{m<3557:A,m>3852:A,a<1950:R,A}
nrv{m>1238:qcd,mqz}
pmd{x>3502:R,gdl}
ll{s>3570:A,s<3419:R,x>946:A,R}
td{x<1875:A,a>1161:A,A}
jt{m>1937:A,s<430:tkv,R}
pp{s<1233:mzr,m>2932:vsl,ccv}
ssr{s<903:R,R}
qcd{m>1677:R,R}
sv{x<3042:fv,s<3775:tc,m<3706:ct,dm}
qsg{x>3287:vvt,dbq}
cdt{x<3342:kx,a>1677:btj,nth}
jrl{m>1242:A,m>940:R,m<793:R,R}
dzt{s<732:A,A}
dk{m>1342:rmq,hdt}
rn{x<3645:A,R}
fx{s>1211:jpn,s>785:nrv,m<1357:pd,dcg}
nvh{a<2086:kmh,x<2940:A,m<2730:R,pms}
cb{x<581:sd,psf}
mq{m>678:A,x>2970:qf,a<881:A,ck}
qfn{s>298:A,R}
rss{s>1618:rsl,frj}
sp{x<3759:R,a>512:A,m>3807:R,R}
dns{m>270:A,x<2335:R,s>3567:R,R}
dsr{x<2503:R,m>969:A,x>3358:R,A}
jfs{s>3760:R,R}
zpq{x<2139:td,s>2466:nl,A}
vk{s<2893:A,a<803:A,s>2986:R,A}
rbn{a>3902:zp,m>472:A,R}
tvn{m<2544:R,A}
lqf{a<3601:rnx,a<3691:A,fz}
ls{m<1384:A,R}
rnk{a>3786:R,m<2367:A,zl}
pdk{x>3398:R,s>2636:tnq,a>3510:xt,km}
gm{x>1475:sg,zdv}
ps{s>2886:A,A}
ndh{a<979:fkj,a>1636:A,s>2743:tz,nf}
zhs{s>2501:R,a<3309:A,s>2306:A,R}
zht{a>1418:A,A}
fn{x>3198:A,a>3957:R,m>3278:A,A}
xc{m>1714:xfc,a>2574:cmr,A}
gld{m<1414:R,x<381:A,m<1444:A,R}
pz{m>3006:R,A}
fkp{a>3424:R,m<3526:A,A}
fqc{a<2473:tv,m>2350:cj,a<2565:xs,vv}
bnt{s>1011:R,x>3453:A,R}
xzq{a<3766:lqf,a<3888:kgd,s<1399:zmt,lp}
clh{a<1003:A,s>3818:A,ntv}
rq{s>2799:R,m<1088:A,A}
jfp{s<1113:A,R}
hh{x<466:A,R}
md{s>1194:R,R}
hm{a>1759:gsb,R}
vb{s>1454:A,s<1082:kxs,a>1134:A,hc}
rsl{a<3803:gh,st}
tjb{x>2545:A,x>1949:A,R}
zsp{s<3356:R,A}
bg{x>1362:A,R}
lbf{m>1460:A,mnr}
bt{s<856:R,s>1189:ppc,x>2845:R,R}
ct{a<1119:A,x>3291:A,m<3487:A,A}
drn{s>2455:R,x>3658:A,x>3401:R,A}
xst{m>2109:R,a>2952:A,a<2839:R,R}
pr{a>3195:xxm,R}
rnx{s<926:A,a>3544:R,A}
ngl{a<2849:kzb,x>1007:R,vq}
fhq{m<1694:R,m>3210:A,a>1513:A,A}
ttd{x>952:R,m>216:R,m>132:R,A}
tg{a>447:R,m<3009:R,s<3685:R,A}
cgl{x>2271:A,s>3239:R,s<2541:cs,A}
jh{a>3871:R,s<2611:A,R}
vlx{m>2576:A,a<3152:R,m>1231:A,R}
fh{s>1137:R,s<937:R,djf}
xz{x<2419:sl,x<3456:rt,m>3040:fs,crn}
pj{a<887:sq,s<3315:A,R}
kjt{m<990:hqc,nkr}
tb{m>1009:A,A}
ppm{a<1310:R,a<1850:R,a<2261:R,R}
jm{x<1054:R,a<579:R,A}
fsf{x<3020:R,R}
xxm{a<3299:R,R}
pvh{s>929:A,R}
bfx{a<3017:A,a>3351:gn,grz}
fp{x<2966:tbv,x<3308:R,R}
krr{x<677:tvn,A}
vdz{m<3388:R,x<844:A,R}
hzf{s>385:R,s<196:A,A}
jjf{x>3217:A,m<616:qfn,dr}
nq{x>2432:lg,m<1705:A,R}
cmn{a<3539:rtg,a>3754:sf,dv}
sq{a>365:R,m>2615:A,s>3324:A,A}
xqf{x<554:A,m>1924:A,x>1244:A,R}
gxc{a<350:A,s>506:fhg,vl}
qx{a<3727:A,R}
nzq{m<1027:R,s>1843:R,A}
rv{a<3212:R,x>3734:R,m>3888:tq,tn}
lrn{m>1353:kq,s<3039:jv,gx}
nf{m>2662:A,x<3529:A,m>2179:A,R}
zlz{a<750:mc,clh}
kf{a>756:A,R}
gj{m<1030:A,a>1937:R,R}
gb{s<3174:A,s<3470:A,A}
tnq{x>3001:A,R}
zqv{m>691:A,R}
kj{x<2954:psp,x>3147:mg,a>3127:mjb,A}
tgn{a>1711:lkc,s>541:qt,R}
npt{x<772:R,x>900:R,s<1084:R,A}
cx{x>3400:lxp,lbv}
vvt{s>278:R,A}
vqq{x<3192:R,A}
tq{s>2456:R,s<2301:R,x>3451:A,A}
xxx{m<2342:R,A}
dkr{a<2409:dg,m<1437:lvf,x>1274:gm,qdc}
fs{s>1657:pbv,m<3482:A,m>3677:R,R}
tpg{m<1159:A,x>3135:R,gmf}
qln{a<2906:A,a>2928:R,a<2918:R,A}
lvf{x<1270:bfx,x<1455:bzz,qk}
xlq{m<334:A,s>1515:A,A}
sx{m<1833:tfs,hf}
gpt{a>2836:zxd,a>2730:R,A}
krn{x>1155:ckd,s<1260:A,m>2770:A,zht}
sk{m>348:R,x>1377:A,m>153:A,R}
rl{a<984:R,R}
ntd{a<819:dns,qnm}
grz{x>890:A,a<3172:A,A}
kt{x>967:A,R}
qs{m<1546:A,R}
js{x>3672:qmv,a>2929:hdn,hcs}
bzz{m<647:sk,bg}
vv{s>2934:sj,R}
lbp{s>2775:R,R}
zxd{x>1854:A,R}
crn{s>1724:R,rn}
jc{x>1851:R,s<3672:A,m<3477:A,R}
xxh{m>1324:qqn,qm}
pn{s<976:A,m<2297:R,A}
fv{s>3818:A,s<3658:R,s<3743:R,A}
ck{x>2824:R,m<316:R,A}
vdp{x<3490:A,A}
xq{m>184:A,x>3334:A,A}
fz{m>3339:R,m>2690:R,x>2493:R,R}
jf{m<1773:R,x>659:R,A}
xd{a<3143:A,R}
svq{a<3528:A,R}
cl{x>3473:A,R}
qf{x>3076:A,R}
ktb{m<3197:A,s<704:R,s>1154:A,A}
gbj{m<158:R,m<302:R,m>336:R,R}
ff{s<2459:lmc,s>2743:R,nsj}
rcn{s>3821:R,x>2847:A,a<2261:R,A}
xkn{x>2134:R,x>1785:A,A}
pf{a>3576:A,s>3815:A,s>3737:R,R}
ntv{s<3659:R,A}
psf{m>575:R,a<2611:A,m>319:R,R}
fqz{a>3321:bx,vdp}
tzp{x<554:ph,a>2615:lm,krn}
pht{s>625:fh,x>606:ffn,sxb}
zz{m<1836:ql,s>1299:hp,m<3200:shb,A}
snl{s>3863:R,a<2001:xnj,kk}
qdc{a<3128:ngl,a>3442:rnk,x<874:zm,gl}
rsz{m>1017:R,x<2038:A,m<443:R,dzz}
frj{m>1063:md,a>3826:rbn,s>1317:lb,zkk}
bbt{a>3364:A,a<3152:R,R}
lpg{x>3231:fqz,x<2909:nvk,s<2283:nm,lv}
sd{s<1984:R,a>1624:A,m<729:A,A}
spq{x<3000:A,s>148:A,R}
fsv{s<2728:gj,m<1078:fpf,s>2917:R,R}
rmq{s<3098:A,x<182:fg,cpn}
msc{x>326:A,xxx}
drg{a>1618:hzf,s>486:zjl,a>619:hzc,A}
hx{x>3100:R,m<249:hnq,R}
ksc{a>3214:A,x>2913:R,R}
kxs{x<3497:R,s>949:A,A}
xv{s>311:A,R}
kd{x<3492:A,ppm}
st{s<1839:R,m>810:R,pgj}
ntb{m>3358:spq,m>2731:zhg,s<116:R,A}
lqz{a>3814:A,A}
fb{x>2177:tg,bjd}
dcg{a<3359:pgb,rch}
khp{a<2918:A,x>3796:R,m>378:R,A}
hhs{x<3165:A,R}
bnn{a<1158:R,x<228:A,A}
nx{m>469:R,x>3876:R,x<3760:A,A}
vl{m>1539:A,a>468:A,s>326:R,A}
qmv{s<3328:R,A}
rt{m<2818:fbx,R}
hcs{x<3425:zsp,mk}
mn{m<2363:A,R}
sm{m<839:A,x>2835:A,s>1035:A,A}
zn{x<2270:R,a>798:R,s>3678:R,A}
qqn{m>1794:jt,a<3748:fdm,gkv}
hdn{s>3198:A,s>3046:R,ngq}
mg{x>3205:R,s<2688:R,A}
sgc{x<3807:fhq,x<3919:A,bh}
qhl{m>2988:A,x>3259:drn,xpv}
zbr{x<2841:R,m>2724:R,R}
rjb{x>2706:R,R}
qp{m>1140:drg,tgn}
kkk{s>1408:vzj,m<1501:dnp,s<833:dmc,dcf}
cmr{a>3290:R,m>1084:R,m>506:R,A}
lbv{m<3300:R,a<923:A,s<2435:bb,qq}
mjb{m<3900:R,a>3686:A,R}
clg{s>1434:nvh,m>3229:rsh,bt}
hrn{a>3478:R,a>3380:R,m>1194:R,A}
zhd{s>1275:R,m>3076:R,m<2721:A,R}
hnq{x>2834:A,R}
tbt{x>3131:A,m<3435:R,A}
phc{a>3375:A,a<3306:R,A}
vq{x<800:R,s>2917:R,x<922:R,R}
kq{s<3392:sc,a>1260:hm,m>2319:fb,htk}
fbx{a>3317:A,m<2345:A,R}
cm{m<2219:R,m>2264:R,R}
csz{s>3528:R,A}
nst{x>2459:A,A}
lf{a<3121:R,x<2716:R,m<818:R,A}
xsp{x<2980:R,a>2817:A,A}
qm{x<2949:kr,x<3428:jjf,s<456:jtt,jqn}
qt{s<744:A,x<1059:R,s>816:R,A}
zc{x>3545:qx,a>3625:vn,A}
cxk{a>1449:ntt,s>1617:xbr,s>1504:R,xqf}
cg{x>2245:zx,x<1956:zbk,vft}
zkk{m<649:A,a>3680:R,R}
bx{a<3661:A,x<3529:A,a>3778:R,R}
mv{s>1300:rsc,khc}
qjt{x<3376:A,R}
mgp{x>3029:zq,A}
fpf{a>1769:R,x>2049:A,s<2923:A,R}
lhc{s>1662:A,m>1543:A,a<3599:tl,vfn}
mzr{a<2819:R,R}
psp{s<2611:A,a>3354:A,a>3056:A,A}
vc{m<1333:cb,mp}
bzc{m<1850:R,m<1953:A,R}
kb{m<2614:mpn,m>3380:zhp,gqd}
dv{a<3677:cfq,x<3383:R,s<2710:R,rq}
xh{s<2524:A,R}
vr{s>754:A,x<643:A,A}
sj{s<3498:R,s<3711:R,m<1518:A,R}
bq{a<1413:R,m>3189:A,a<1750:R,R}
bgn{m<197:A,m<353:gbq,xh}
jl{x>2858:R,m<476:R,R}
vbr{x<2055:R,m>2096:A,R}
ngq{a>3426:R,s<3009:A,a<3210:A,R}
krj{x>2852:pjd,gf}
dp{m>1430:A,A}
xkm{m<1913:kjv,vz}
vg{x>224:R,a>1513:A,m<323:A,R}
jmf{s<1182:A,a>3547:A,A}
vqr{a>3441:ljt,A}
ckd{m>3131:R,a<1567:R,m>2271:R,A}
bp{s>3270:A,s>3133:R,R}
pc{x>3663:A,m<491:R,A}
mx{m>663:bs,m<622:tjb,gkn}
qhh{x<1947:A,m>3589:A,R}
ths{a>2010:dp,R}
znh{m>662:A,x>2990:R,R}
fph{a>2941:R,s<1649:R,R}
nkr{x<1012:npt,m>1326:A,s>1224:R,R}
zbc{x>2881:R,x>2784:rcn,x>2722:xf,rjb}
hp{s>1600:R,s>1465:R,a>263:R,R}
kdf{s>420:R,m>1639:R,x>2176:A,R}
hkl{s<3823:bn,m>3668:sp,s>3936:A,A}
lp{m>3026:tbt,s>1876:R,bj}
zmt{a>3930:fn,a<3915:bcz,ktb}
jqn{a<3862:pc,m<761:R,a<3938:ldl,A}
hms{x>3072:A,s<1921:R,A}
sn{s>774:A,s>753:R,x>547:A,A}
kx{m>1998:tbn,A}
mqc{m<2308:A,m>3052:A,m>2635:R,A}
qdj{a>2946:zgm,a<2669:fqc,m>2271:lzv,ndr}
xt{a>3826:A,x<3063:A,A}
kvr{m>1390:R,x>3294:A,R}
hz{x>2278:A,x<1949:A,A}
fkj{x<3168:A,s<2741:R,R}
tn{m<3831:R,s>2560:R,A}
zjl{s>694:R,R}
ndr{a<2827:cgl,x<2240:rsz,xn}
btj{m<1813:qs,m<2042:jg,cm}
bjd{x<1891:A,s>3600:A,A}
gjg{m>2075:rjd,a<3588:fx,s<809:xxh,rss}
zch{s<3538:hl,m<2003:zlz,dz}
nrf{s>428:vkl,s>146:qsg,a>957:pmd,dxn}
vhc{s>1085:tpg,jxf}
lb{m<643:xlq,a>3717:svn,m>911:dsr,ds}
zdc{x>1803:R,A}
bzj{s>3689:A,m<2560:R,R}
flt{s>1360:A,x>2163:A,A}
qg{s>1039:A,A}
dm{m<3816:A,s<3853:R,A}
xmg{m>752:A,x>137:jzj,gsl}
bcz{a<3903:R,R}
lkc{a>3188:A,m<900:A,m>1018:A,R}
jxf{s<527:srg,A}
gx{m>486:dq,ntd}
bd{s>2400:A,x>3671:A,s>2281:R,A}
qc{s<2673:R,A}
lm{a<3182:dj,a>3635:lqz,a>3407:R,R}
qnm{m<247:R,a>1687:R,m>389:A,A}
zq{s>3263:R,s>3111:R,R}
mk{s>3246:A,m>2016:R,s<3088:A,R}
rql{a<3077:xsp,s>2761:jl,s>2722:R,A}
vj{s<2785:ndh,kd}
in{s>2178:zs,skv}
xrc{s>712:sn,A}
jp{a<2589:R,A}
pgj{a>3929:R,x>2479:A,A}
jts{x>3530:R,A}
gv{s>3739:A,R}
mnr{s>2737:R,A}
tgt{m>1439:R,s>292:R,A}
xvs{a<2848:A,A}
vps{a>3227:A,x<1588:R,A}
jzj{m<672:A,s<1122:R,R}
zzp{x<901:ch,R}
sl{s>1542:A,s>1296:R,x>1931:A,zxz}
rjd{a>3500:xzq,s<1086:qj,xz}
kgd{s>1426:A,a>3812:A,R}
dmc{m<2947:szv,kqx}
hbk{m<3419:A,R}
htk{a<729:R,a>1042:A,a>861:R,zn}
zp{s<1255:A,A}
qlx{m>1631:R,x>3329:R,R}
skv{x<1606:kkk,a<1440:ggv,a<3018:xkm,gjg}
zl{m>3149:A,a>3596:A,R}
sjc{m>2149:A,A}
ggv{x>2600:nh,cg}
pd{a<3356:pr,x<2700:xfj,a<3465:zbd,xv}
vhk{a<614:A,a>735:A,m>3340:A,R}
bz{x<2317:R,s<3304:A,A}
zbd{m>889:zfk,bdh}
vsj{a<598:zhd,R}
qzf{a>1455:R,x>340:A,s<1196:R,R}
dz{m<3157:qv,x>3473:hkl,a>877:sv,rf}
rtg{a>2957:R,A}
qk{a>3252:svq,s>3213:R,m>548:cfz,R}
zx{a>871:sxt,a>314:mn,a>186:zz,nq}
kcd{x<2880:R,s>94:R,R}
hqc{m<796:R,m>890:rhd,a<2192:A,xvs}
ffn{m>350:jp,a<2088:ttd,a>2817:R,R}
sz{m<1599:R,x>2121:ktx,m<3075:bbt,qhh}
jtt{a<3836:zqv,m<876:gg,A}
lmr{a<2718:A,a<3149:R,R}
zdv{s>3010:R,lr}
jcl{m<1659:A,R}
mdq{a<479:R,A}
dnp{m<537:pht,s<885:qp,x<582:bjg,kjt}
lxp{m>2932:A,lx}
kqx{s<513:hbk,a<1592:ncn,a>3119:xrc,kt}
cnl{x<1035:R,m<2338:A,R}
mp{m<2347:xpj,a>2221:vdz,bq}
rgx{s<2542:R,R}
rb{s<3903:A,A}
jk{m>2376:R,x>3391:R,m<1198:R,R}
zgm{s>3092:bzj,sz}
gt{a>1014:R,m<2365:ls,R}
jpn{s>1819:hj,a>3326:vqr,ljm}
nzj{s>254:R,m>2156:R,x<991:jf,qhq}
gh{m>856:A,nsp}
kpq{a<110:A,x>3312:R,x<3090:R,R}
hl{x<3177:pj,bp}
gs{a<180:R,s>3703:R,R}
gz{m>3188:R,R}
lft{s>2829:ps,gbj}
kzb{m>2754:A,a<2674:A,A}
vz{a>2453:pp,clg}
tqc{x<360:dk,zcq}
bxv{a<2317:A,m<2884:pn,fkp}
ztl{a<590:R,x<2295:R,x>2529:R,R}
vkk{a>3382:zc,x>3140:xrl,m<384:lft,rql}
fbv{s<3805:R,s>3881:R,a>172:R,R}
gbq{m>279:A,x<3717:R,x<3898:A,R}
svn{s<1485:R,A}
skb{s>589:R,s>295:R,x>2063:A,A}
mc{a>272:A,x>3488:gs,s>3786:A,fsf}
pbv{x<3811:R,a>3290:A,m<3444:R,A}
gkn{s<1377:A,A}
nth{a<1084:bd,A}
vsl{a<2799:A,a<2901:bgb,fph}
lr{x<1407:A,s>2654:R,s<2373:A,R}
dbq{m<1824:R,s>291:R,A}
hdt{s>3011:R,s>2681:A,bgg}
nvq{m>597:R,x>47:R,A}
qj{s>674:pz,s>313:srn,ntb}
fgp{a>3257:R,mcl}
pjd{s<3848:vlx,A}
gmf{s<1729:A,A}
kzp{x>1746:A,x>1670:A,m>2460:A,A}
tl{m<888:A,m<1289:A,R}
zh{m<1334:fzz,s>2674:vj,m<2347:cdt,cx}
ql{s<1432:A,a>258:R,A}
rch{s<485:R,vqq}
hf{a<3208:R,pf}
bj{x<2870:R,m<2489:A,R}
zhg{x>3190:A,s>144:R,m<2941:A,R}
rsh{x<3060:R,a<1833:pm,R}
ntt{a>1930:R,a<1611:A,A}
hd{s>1811:A,R}
dfd{x<2726:A,qg}
gqd{a>3471:qjt,qhl}
xrl{x>3598:khp,m>284:lbp,m<100:R,xq}
zxz{m<2818:A,R}
vfn{s>1502:R,x>955:R,s>1440:A,R}
dr{s<370:A,x>3070:R,R}
cth{a<2210:cxk,a>3174:lhc,krr}
xbr{m<1775:R,m>3200:A,A}
nn{m>718:R,x>3641:nx,A}
dxn{s<55:hr,x>3309:A,a<824:kcd,mqc}
mt{a<423:R,a>555:R,R}
hqk{a>2663:A,s<888:R,a<2564:R,A}
ns{a<2307:lrn,qdj}
sxb{s>318:vg,hgv}
ljm{s<1457:A,m>763:A,s>1648:R,A}
qcr{s<1460:R,m<548:hms,a>1054:A,nzq}
sxx{a>3455:A,R}
{x=378,m=450,a=211,s=36}
{x=220,m=1090,a=338,s=879}
{x=117,m=124,a=2136,s=128}
{x=1392,m=1408,a=126,s=16}
{x=2038,m=278,a=901,s=1801}
{x=323,m=1703,a=964,s=571}
{x=265,m=358,a=456,s=34}
{x=1513,m=144,a=525,s=1341}
{x=355,m=2036,a=814,s=1179}
{x=937,m=701,a=2026,s=1349}
{x=1292,m=766,a=2805,s=16}
{x=319,m=26,a=83,s=1193}
{x=600,m=5,a=242,s=76}
{x=117,m=1415,a=1636,s=1057}
{x=87,m=1530,a=1686,s=386}
{x=36,m=957,a=1712,s=300}
{x=2570,m=49,a=661,s=442}
{x=643,m=698,a=1593,s=854}
{x=1450,m=1410,a=289,s=1342}
{x=1690,m=376,a=584,s=3715}
{x=1942,m=570,a=1726,s=1192}
{x=420,m=475,a=1410,s=863}
{x=550,m=662,a=2140,s=105}
{x=241,m=2370,a=756,s=26}
{x=705,m=425,a=1000,s=160}
{x=1763,m=914,a=197,s=555}
{x=2267,m=323,a=70,s=147}
{x=497,m=392,a=1959,s=360}
{x=428,m=1375,a=415,s=236}
{x=1800,m=96,a=403,s=1227}
{x=216,m=381,a=1217,s=1031}
{x=3129,m=304,a=811,s=1753}
{x=555,m=59,a=3254,s=2896}
{x=397,m=1518,a=740,s=496}
{x=905,m=217,a=1234,s=2319}
{x=283,m=2490,a=309,s=1156}
{x=1777,m=624,a=96,s=2053}
{x=1031,m=481,a=1014,s=198}
{x=155,m=205,a=2460,s=832}
{x=123,m=25,a=3962,s=3662}
{x=3242,m=396,a=519,s=150}
{x=2632,m=1307,a=3594,s=1714}
{x=147,m=285,a=1020,s=40}
{x=1498,m=1133,a=241,s=1263}
{x=1977,m=323,a=1594,s=241}
{x=807,m=1042,a=702,s=295}
{x=70,m=455,a=1328,s=108}
{x=2392,m=27,a=158,s=44}
{x=528,m=671,a=2003,s=935}
{x=1539,m=2002,a=168,s=479}
{x=2121,m=195,a=901,s=1116}
{x=251,m=51,a=380,s=745}
{x=793,m=1959,a=598,s=605}
{x=137,m=261,a=714,s=1548}
{x=2783,m=486,a=2065,s=914}
{x=574,m=387,a=250,s=28}
{x=3,m=829,a=1862,s=2}
{x=846,m=2476,a=841,s=1810}
{x=1020,m=114,a=463,s=323}
{x=4,m=970,a=192,s=142}
{x=942,m=2297,a=125,s=1638}
{x=1664,m=2275,a=2086,s=290}
{x=682,m=93,a=143,s=2033}
{x=1613,m=356,a=463,s=632}
{x=633,m=268,a=150,s=798}
{x=1743,m=1455,a=56,s=487}
{x=2774,m=103,a=739,s=77}
{x=1760,m=2631,a=81,s=138}
{x=461,m=1688,a=1543,s=1712}
{x=1182,m=14,a=566,s=3270}
{x=680,m=467,a=1920,s=297}
{x=1281,m=2355,a=704,s=1340}
{x=142,m=65,a=589,s=20}
{x=1412,m=559,a=677,s=2106}
{x=905,m=2761,a=1526,s=648}
{x=399,m=667,a=1901,s=27}
{x=2241,m=3411,a=1786,s=321}
{x=1395,m=1278,a=508,s=1112}
{x=363,m=35,a=218,s=1280}
{x=829,m=115,a=304,s=192}
{x=1397,m=599,a=861,s=838}
{x=824,m=2140,a=88,s=1736}
{x=661,m=276,a=502,s=731}
{x=585,m=14,a=705,s=473}
{x=747,m=95,a=829,s=805}
{x=2006,m=323,a=982,s=168}
{x=795,m=193,a=473,s=1531}
{x=687,m=428,a=972,s=1154}
{x=254,m=426,a=281,s=552}
{x=171,m=369,a=382,s=1369}
{x=964,m=10,a=322,s=2007}
{x=1960,m=183,a=2153,s=1967}
{x=2315,m=170,a=41,s=727}
{x=189,m=901,a=307,s=3026}
{x=757,m=1235,a=1316,s=335}
{x=836,m=3023,a=453,s=2355}
{x=2187,m=2140,a=683,s=2560}
{x=1772,m=468,a=1812,s=1329}
{x=783,m=601,a=1339,s=3291}
{x=570,m=172,a=1794,s=120}
{x=1207,m=1572,a=700,s=758}
{x=1961,m=3652,a=702,s=153}
{x=1094,m=435,a=19,s=938}
{x=3328,m=166,a=247,s=216}
{x=1500,m=2012,a=1561,s=59}
{x=12,m=2269,a=8,s=796}
{x=193,m=1137,a=328,s=13}
{x=120,m=1179,a=59,s=1829}
{x=499,m=650,a=1049,s=1803}
{x=2761,m=1431,a=389,s=1322}
{x=456,m=2766,a=2165,s=348}
{x=2387,m=12,a=2140,s=556}
{x=387,m=7,a=1514,s=1137}
{x=1111,m=608,a=581,s=965}
{x=1055,m=181,a=754,s=67}
{x=74,m=2582,a=66,s=546}
{x=5,m=956,a=1013,s=657}
{x=262,m=189,a=2496,s=233}
{x=518,m=2821,a=851,s=825}
{x=351,m=1981,a=221,s=34}
{x=995,m=165,a=36,s=2286}
{x=1636,m=335,a=936,s=447}
{x=763,m=692,a=1527,s=210}
{x=301,m=559,a=1815,s=2640}
{x=959,m=2852,a=232,s=53}
{x=136,m=153,a=206,s=11}
{x=1533,m=42,a=2014,s=136}
{x=341,m=378,a=37,s=577}
{x=220,m=1451,a=185,s=421}
{x=1086,m=3265,a=1184,s=2960}
{x=143,m=2701,a=602,s=173}
{x=628,m=1016,a=1642,s=223}
{x=597,m=641,a=1331,s=651}
{x=809,m=1843,a=1111,s=2189}
{x=1385,m=1352,a=238,s=1969}
{x=515,m=1374,a=125,s=913}
{x=798,m=2743,a=1798,s=1045}
{x=2999,m=1787,a=1168,s=188}
{x=57,m=77,a=2652,s=56}
{x=1231,m=304,a=1288,s=523}
{x=1031,m=381,a=558,s=267}
{x=721,m=883,a=2995,s=22}
{x=304,m=846,a=1525,s=30}
{x=446,m=2969,a=412,s=674}
{x=187,m=418,a=1187,s=571}
{x=810,m=515,a=819,s=1393}
{x=740,m=3392,a=1128,s=1114}
{x=137,m=631,a=1208,s=1707}
{x=653,m=2468,a=952,s=811}
{x=33,m=70,a=518,s=464}
{x=3318,m=2,a=3661,s=64}
{x=50,m=548,a=1657,s=704}
{x=2272,m=2684,a=1597,s=2220}
{x=185,m=339,a=460,s=517}
{x=8,m=1651,a=1810,s=354}
{x=548,m=833,a=1703,s=759}
{x=551,m=358,a=390,s=468}
{x=202,m=2260,a=597,s=632}
{x=453,m=1811,a=754,s=2449}
{x=353,m=101,a=1835,s=72}
{x=1451,m=453,a=162,s=13}
{x=125,m=2120,a=627,s=981}
{x=5,m=283,a=1755,s=194}
{x=973,m=835,a=62,s=1184}
{x=346,m=1348,a=442,s=210}
{x=4,m=1242,a=136,s=196}
{x=2388,m=1336,a=1991,s=2873}
{x=561,m=2335,a=1059,s=627}
{x=838,m=3226,a=159,s=1053}
{x=2578,m=49,a=1920,s=2432}
{x=710,m=342,a=182,s=534}
{x=1997,m=1509,a=946,s=1849}
{x=810,m=249,a=495,s=257}
{x=363,m=274,a=2742,s=25}
{x=506,m=565,a=2584,s=731}
{x=508,m=2073,a=21,s=1826}
{x=1413,m=780,a=779,s=378}
{x=1097,m=47,a=98,s=402}
{x=536,m=2,a=2710,s=1499}
{x=548,m=2845,a=2095,s=555}
{x=2963,m=2206,a=1920,s=875}
{x=1783,m=367,a=1245,s=594}
{x=409,m=18,a=408,s=119}
{x=1554,m=3613,a=3002,s=87}
{x=232,m=197,a=63,s=1372}
{x=412,m=1355,a=1673,s=1667}
{x=261,m=142,a=123,s=1187}
{x=1396,m=779,a=287,s=60}
{x=28,m=1350,a=585,s=861}
{x=1123,m=329,a=1166,s=62}
{x=2292,m=73,a=123,s=596}
{x=2400,m=1430,a=390,s=1313}
{x=638,m=2856,a=44,s=488}
{x=294,m=1534,a=1075,s=1914}
{x=1233,m=71,a=253,s=3058}
{x=1536,m=805,a=158,s=738}
{x=2903,m=119,a=2344,s=2387}
{x=142,m=1768,a=940,s=881}
{x=301,m=2748,a=739,s=766}
{x=127,m=18,a=141,s=1398}

255
aoc2023/day19/main.go Normal file
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package main
import (
"bufio"
_ "embed"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 uint
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
var workflows = make(map[string][]rule)
var parts []part
for scan.Scan() {
text := strings.TrimSuffix(scan.Text(), "}")
if len(text) == 0 {
continue
}
// Is Part
if p, ok := scanPart(text); ok {
parts = append(parts, p)
continue
}
if name, r, ok := scanRule(text); ok {
workflows[name] = r
}
}
var result result
result.valuePT1 = solveWorkflow(parts, workflows)
result.valuePT2 = solveRanges(workflows)
return &result, nil
}
type part struct {
x, m, a, s int
}
func (p part) String() string {
return fmt.Sprintf("{x:%v m:%v a:%v s:%v}", p.x, p.m, p.a, p.s)
}
func scanPart(text string) (part, bool) {
var p part
// Is Part
if text[0] == '{' {
for _, s := range strings.Split(text[1:], ",") {
a, b, _ := strings.Cut(s, "=")
i := aoc.Atoi(b)
switch a {
case "x":
p.x = i
case "m":
p.m = i
case "a":
p.a = i
case "s":
p.s = i
}
}
return p, true
}
return p, false
}
type rule struct {
match string
op string
value int
queue string
}
func scanRule(text string) (string, []rule, bool) {
name, text, _ := strings.Cut(text, "{")
var r []rule
for _, s := range strings.Split(text, ",") {
if a, b, ok := strings.Cut(s, "<"); ok {
b, c, _ := strings.Cut(b, ":")
r = append(r, rule{
match: a,
op: "<",
value: aoc.Atoi(b),
queue: c,
})
continue
}
if a, b, ok := strings.Cut(s, ">"); ok {
b, c, _ := strings.Cut(b, ":")
r = append(r, rule{
match: a,
op: ">",
value: aoc.Atoi(b),
queue: c,
})
continue
}
// default queue comes last
r = append(r, rule{queue: s})
break
}
return name, r, len(r) > 0
}
func (r rule) Match(p part) bool {
var value int
switch r.match {
case "x":
value = p.x
case "m":
value = p.m
case "a":
value = p.a
case "s":
value = p.s
default:
return true // default to new queue
}
if r.op == ">" && value > r.value {
return true
} else if r.op == "<" && value < r.value {
return true
}
return false // no match
}
func solveWorkflow(parts []part, workflows map[string][]rule) int {
// var rejected []part
var accepted []part
for _, p := range parts {
workflow := "in"
nextStep:
for workflow != "" {
for _, r := range workflows[workflow] {
if !r.Match(p) {
continue
}
workflow = r.queue
if workflow == "A" {
accepted = append(accepted, p)
workflow = ""
break nextStep
}
if workflow == "R" {
// rejected = append(rejected, p)
workflow = ""
break nextStep
}
continue nextStep
}
}
}
sum := 0
for _, p := range accepted {
sum += p.x
sum += p.m
sum += p.a
sum += p.s
}
return sum
}
func solveRanges(workflows map[string][]rule) uint {
pq := aoc.PriorityQueue(func(a, b *queue) bool { return false })
pq.Insert(&queue{
"in",
block{
ranger{1, 4000},
ranger{1, 4000},
ranger{1, 4000},
ranger{1, 4000},
}})
var accepted []block
// var rejected []block
for !pq.IsEmpty() {
current := pq.ExtractMin()
for _, rule := range workflows[current.name] {
next := &queue{name: rule.queue, block: current.block}
switch rule.match {
case "x":
current.x, next.x = split(current.x, rule.value, rule.op == ">")
case "m":
current.m, next.m = split(current.m, rule.value, rule.op == ">")
case "a":
current.a, next.a = split(current.a, rule.value, rule.op == ">")
case "s":
current.s, next.s = split(current.s, rule.value, rule.op == ">")
}
switch next.name {
case "R":
// rejected = append(rejected, next.block)
case "A":
accepted = append(accepted, next.block)
default:
pq.Insert(next)
}
}
}
var sum uint
for _, a := range accepted {
sum += uint((a.x[1] - a.x[0] + 1) * (a.m[1] - a.m[0] + 1) * (a.a[1] - a.a[0] + 1) * (a.s[1] - a.s[0] + 1))
}
return sum
}
type ranger [2]int
type block struct {
x, m, a, s ranger
}
type queue struct {
name string
block
}
func split(a ranger, n int, gt bool) (current ranger, next ranger) {
if gt { // x > N => [0,N] [N++,inf]
return ranger{a[0], n}, ranger{n + 1, a[1]}
}
// x < N => [N,inf] [0,N--]
return ranger{n, a[1]}, ranger{a[0], n - 1}
}

41
aoc2023/day19/main_test.go Normal file
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@@ -0,0 +1,41 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example.txt
var example []byte
//go:embed input.txt
var input []byte
func TestExample(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 19114)
is.Equal(result.valuePT2, uint(167409079868000))
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 377025)
is.Equal(result.valuePT2, uint(135506683246673))
}

5
aoc2023/day20/example1.txt Normal file
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@@ -0,0 +1,5 @@
broadcaster -> a, b, c
%a -> b
%b -> c
%c -> inv
&inv -> a

5
aoc2023/day20/example2.txt Normal file
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@@ -0,0 +1,5 @@
broadcaster -> a
%a -> inv, con
&inv -> b
%b -> con
&con -> output

58
aoc2023/day20/input.txt Normal file
View File

@@ -0,0 +1,58 @@
%vg -> lf, vd
%dr -> kg
%cn -> mv, pt
%rq -> bk, gr
%vp -> lp, bk
%kg -> lv
%lv -> jc, tp
%sj -> rm, vd
%jc -> tp, qr
%km -> tp, dr
%jx -> cn
&vd -> tf, lf, nb, cx, hx, lr
%lp -> jt, bk
%vj -> ps
broadcaster -> km, lr, xh, rf
%dj -> pt, gc
%cg -> vd, hx
&ln -> tg
%fl -> pt, sk
%lm -> tr, bk
%lr -> vd, vg
&pt -> vq, rf, cm, jx, rg
%cx -> gp
%gp -> vd, sj
&db -> tg
%st -> vd
%jt -> bk
%jh -> lm, bk
%xf -> bd, tp
%gc -> cm, pt
&tp -> dr, km, kg, db, vj, qr
%ps -> xf, tp
%rf -> pt, dj
%lf -> nb
%bd -> tp, gg
%dk -> tp, vj
%mn -> jh, bk
&tg -> rx
%ql -> bk, zx
%tr -> bk, vp
%sk -> pt
%nb -> cg
%sb -> vd, cx
%qr -> dk
%xh -> bk, ql
%rg -> sd
%hx -> sb
%sd -> pt, jx
%gr -> bk, mn
%gg -> tp
%zx -> rq
&bk -> xh, ln, zx
%rm -> st, vd
%hq -> fl, pt
&vq -> tg
%cm -> rg
&tf -> tg
%mv -> pt, hq

282
aoc2023/day20/main.go Normal file
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@@ -0,0 +1,282 @@
package main
import (
"bufio"
_ "embed"
"fmt"
"strings"
aoc "go.sour.is/advent-of-code"
"golang.org/x/exp/maps"
)
// var log = aoc.Log
func main() { aoc.MustResult(aoc.Runner(run)) }
type result struct {
valuePT1 int
valuePT2 int
}
func (r result) String() string { return fmt.Sprintf("%#v", r) }
func run(scan *bufio.Scanner) (*result, error) {
m := &machine{}
receivers := make(map[string][]string)
for scan.Scan() {
text := scan.Text()
name, text, _ := strings.Cut(text, " -> ")
dest := strings.Split(text, ", ")
switch {
case name == "broadcaster":
m.Add(name, &broadcaster{dest: dest})
case strings.HasPrefix(name, "%"):
name = strings.TrimPrefix(name, "%")
m.Add(name, &flipflop{name: name, dest: dest})
case strings.HasPrefix(name, "&"):
name = strings.TrimPrefix(name, "&")
m.Add(name, &conjunction{name: name, dest: dest})
}
for _, d := range dest {
// rx is present so enable pt 2
if d == "rx" {
m.Add("rx", &rx{})
}
receivers[d] = append(receivers[d], name)
}
}
m.setup(receivers)
result := &result{}
for i := 0; i < 10_000; i++ { // need enough presses to find the best LCM values for each conjunction
if i == 1000 {
result.valuePT1 = m.highPulses * m.lowPulses
}
m.Push(i)
}
// rx is present.. perform part 2.
if rx, ok := receivers["rx"]; ok {
tip := m.m[rx[0]].(*conjunction) // panic if missing!
var lvalues []int
for k, v := range tip.pushes {
for i, h := range makeHistory(v) {
if i == 1 && len(h) > 0 && h[0] > 0 {
fmt.Println(tip.name, k, "frequency", h[0])
lvalues = append(lvalues, h[0])
}
}
}
result.valuePT2 = aoc.LCM(lvalues...)
fmt.Println(tip.name, "LCM", result.valuePT2, lvalues)
}
return result, nil
}
type signal bool
const (
LOW signal = false
HIGH signal = true
)
type message struct {
signal
from, to string
}
type machine struct {
m map[string]pulser
queue []message
press int
highPulses int
lowPulses int
}
func (m *machine) Add(name string, p pulser) {
if m.m == nil {
m.m = make(map[string]pulser)
}
p.SetMachine(m)
m.m[name] = p
}
func (m *machine) Send(msgs ...message) {
m.queue = append(m.queue, msgs...)
for _, msg := range msgs {
// fmt.Println(msg)
if msg.signal {
m.highPulses++
} else {
m.lowPulses++
}
}
}
func (m *machine) Push(i int) {
m.press = i
m.Send(generate(LOW, "button", "broadcaster")...)
m.processQueue(i)
}
func (m *machine) processQueue(i int) {
// look for work and process up to the queue length. repeat.
hwm := 0
for hwm < len(m.queue) {
end := len(m.queue)
for ; hwm < end; hwm++ {
msg := m.queue[hwm]
if p, ok := m.m[msg.to]; ok {
// fmt.Println(i, "S:", m.m[msg.from], msg.signal, "R:", p)
p.Pulse(msg)
}
}
hwm = 0
copy(m.queue, m.queue[end:])
m.queue = m.queue[:len(m.queue)-end]
// fmt.Println("")
}
}
func (m *machine) setup(receivers map[string][]string) {
for name, recv := range receivers {
if p, ok := m.m[name]; ok {
if p, ok := p.(interface{ Receive(...string) }); ok {
p.Receive(recv...)
}
}
}
}
type pulser interface {
Pulse(message)
SetMachine(*machine)
}
// IsModule implements the machine registration for each module.
type IsModule struct {
*machine
}
func (p *IsModule) SetMachine(m *machine) { p.machine = m }
type broadcaster struct {
dest []string
IsModule
}
func (b *broadcaster) Pulse(msg message) {
b.Send(generate(msg.signal, "broadcaster", b.dest...)...)
}
type flipflop struct {
name string
state signal
dest []string
IsModule
}
func (b *flipflop) Pulse(msg message) {
if !msg.signal {
b.state = !b.state
b.Send(generate(b.state, b.name, b.dest...)...)
}
}
type conjunction struct {
name string
state map[string]signal
dest []string
pushes map[string][]int
IsModule
}
func (b *conjunction) Receive(names ...string) {
if b.state == nil {
b.state = make(map[string]signal)
b.pushes = make(map[string][]int)
}
for _, name := range names {
b.state[name] = false
b.pushes[name] = []int{}
}
}
func (b *conjunction) Pulse(msg message) {
b.state[msg.from] = msg.signal
if msg.signal {
// collect frequency of pushes to esti,ate rate
b.pushes[msg.from] = append(b.pushes[msg.from], b.press)
}
if all(HIGH, maps.Values(b.state)...) {
b.Send(generate(LOW, b.name, b.dest...)...)
return
}
b.Send(generate(HIGH, b.name, b.dest...)...)
}
type rx struct {
IsModule
}
func (rx *rx) Pulse(msg message) {
if !msg.signal {
panic("pulse received") // will never happen...
}
}
// helper funcs
func all[T comparable](match T, lis ...T) bool {
for _, b := range lis {
if b != match {
return false
}
}
return true
}
func generate(t signal, from string, destinations ...string) []message {
msgs := make([]message, len(destinations))
for i, to := range destinations {
msgs[i] = message{signal: t, from: from, to: to}
}
return msgs
}
// makeHistory from day 9
func makeHistory(in []int) [][]int {
var history [][]int
history = append(history, in)
// for {
var diffs []int
current := history[len(history)-1]
for i := range current[1:] {
diffs = append(diffs, current[i+1]-current[i])
}
history = append(history, diffs)
// if len(diffs) == 0 || aoc.Max(diffs[0], diffs[1:]...) == 0 && aoc.Min(diffs[0], diffs[1:]...) == 0 {
// break
// }
// }
return history
}

56
aoc2023/day20/main_test.go Normal file
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@@ -0,0 +1,56 @@
package main
import (
"bufio"
"bytes"
"testing"
_ "embed"
"github.com/matryer/is"
)
//go:embed example1.txt
var example1 []byte
//go:embed example2.txt
var example2 []byte
//go:embed input.txt
var input []byte
func TestExample1(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example1))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 32000000)
is.Equal(result.valuePT2, 0)
}
func TestExample2(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(example2))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 11687500)
is.Equal(result.valuePT2, 0)
}
func TestSolution(t *testing.T) {
is := is.New(t)
scan := bufio.NewScanner(bytes.NewReader(input))
result, err := run(scan)
is.NoErr(err)
t.Log(result)
is.Equal(result.valuePT1, 819397964)
is.Equal(result.valuePT2, 252667369442479)
}