chore: add day 1 and 2

pull/1/head
xuu 2023-12-02 18:28:38 -07:00
commit e97f9ce4e7
Signed by: xuu
GPG Key ID: 8B3B0604F164E04F
7 changed files with 1352 additions and 0 deletions

1
.gitignore vendored Normal file
View File

@ -0,0 +1 @@
.vscode

1000
day01/input.txt Normal file

File diff suppressed because it is too large Load Diff

139
day01/main.go Normal file
View File

@ -0,0 +1,139 @@
package main
import (
"bufio"
"bytes"
_ "embed"
"fmt"
"strings"
)
//go:embed input.txt
var input []byte
func main() {
buf := bytes.NewReader(input)
scan := bufio.NewScanner(buf)
sum := 0
for scan.Scan() {
var first, last int
orig := scan.Text()
_ = orig
text := scan.Text()
slice := make([]rune, 5)
for i := range text {
copy(slice, []rune(text[i:]))
switch {
case slice[0] >= '0' && slice[0] <= '9':
first = int(slice[0] - '0')
case strings.HasPrefix(string(slice), "one"):
first = 1
case strings.HasPrefix(string(slice), "two"):
first = 2
case strings.HasPrefix(string(slice), "three"):
first = 3
case strings.HasPrefix(string(slice), "four"):
first = 4
case strings.HasPrefix(string(slice), "five"):
first = 5
case strings.HasPrefix(string(slice), "six"):
first = 6
case strings.HasPrefix(string(slice), "seven"):
first = 7
case strings.HasPrefix(string(slice), "eight"):
first = 8
case strings.HasPrefix(string(slice), "nine"):
first = 9
}
if first != 0 {
break
}
}
text = string(reverse([]rune(text)))
for i := range text {
copy(slice, []rune(text[i:]))
slice = reverse(slice)
switch {
case slice[4] >= '0' && slice[4] <= '9':
last = int(slice[4] - '0')
case strings.HasSuffix(string(slice), "one"):
last = 1
case strings.HasSuffix(string(slice), "two"):
last = 2
case strings.HasSuffix(string(slice), "three"):
last = 3
case strings.HasSuffix(string(slice), "four"):
last = 4
case strings.HasSuffix(string(slice), "five"):
last = 5
case strings.HasSuffix(string(slice), "six"):
last = 6
case strings.HasSuffix(string(slice), "seven"):
last = 7
case strings.HasSuffix(string(slice), "eight"):
last = 8
case strings.HasSuffix(string(slice), "nine"):
last = 9
}
if last != 0 {
break
}
}
sum += first*10 + last
}
if err := scan.Err(); err != nil {
panic(err)
}
fmt.Println(sum)
}
func reverse[T any](arr []T) []T{
for i := 0; i < len(arr)/2; i++ {
arr[i], arr[len(arr)-i-1] = arr[len(arr)-i-1], arr[i]
}
return arr
}
// type sorter[T rune | int] []T
// func (s sorter[T]) Less(i, j int) bool { return s[i] < s[j] }
// func (s sorter[T]) Len() int { return len(s) }
// func (s sorter[T]) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
/*
0
1
2
3
4
5
6
7
8
9
one
two
three
four
five
six
seven
eight
nine
ten
*/

5
day02/example.txt Normal file
View File

@ -0,0 +1,5 @@
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
day02/input.txt Normal file
View File

@ -0,0 +1,100 @@
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

104
day02/main.go Normal file
View File

@ -0,0 +1,104 @@
package main
import (
"bufio"
"bytes"
_ "embed"
"fmt"
"strconv"
"strings"
)
//go:embed input.txt
var input []byte
type gameResult struct {
red, green, blue int
}
func main() {
buf := bytes.NewReader(input)
scan := bufio.NewScanner(buf)
// 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
}
games = append(games, []gameResult{})
for _, round := range strings.Split(text, ";") {
game := gameResult{}
for _, result := range strings.Split(round, ",") {
ns, color, _ := strings.Cut(strings.TrimSpace(result), " ")
n, err := strconv.Atoi(ns)
if err != nil {
panic(err)
}
switch color {
case "red":
game.red = n
case "green":
game.green = n
case "blue":
game.blue = n
}
}
games[len(games)-1] = append(games[len(games)-1], game)
}
}
fmt.Println(games)
fmt.Println(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 {
fmt.Println("game", i, round, "too many red", round.red)
ok = false
} else if maxCounts.blue < round.blue {
fmt.Println("game", i, round, "too many blue", round.blue)
ok = false
} else if maxCounts.green < round.green {
fmt.Println("game", i, round, "too many green", round.green)
ok = false
}
fmt.Println("game", i, round, ok)
}
if ok {
sum += i
fmt.Println("game", i, "passes", sum)
}
power := mins.red*mins.blue*mins.green
fmt.Println("game", i, "mins", mins, power)
powerSum += power
}
fmt.Println("sum", sum, "power", powerSum)
}

3
go.mod Normal file
View File

@ -0,0 +1,3 @@
module go.sour.is/advent-of-code-2023
go 1.21.3