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hackerrank
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0d652660f1
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...................................................................................................................................
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@@ -0,0 +1,99 @@
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package main
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import (
|
||||
"bufio"
|
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_ "embed"
|
||||
"fmt"
|
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|
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aoc "go.sour.is/advent-of-code"
|
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)
|
||||
|
||||
// var log = aoc.Log
|
||||
|
||||
func main() { aoc.MustResult(aoc.Runner(runner(64))) }
|
||||
|
||||
type result struct {
|
||||
valuePT1 int
|
||||
valuePT2 int
|
||||
}
|
||||
|
||||
func (r result) String() string { return fmt.Sprintf("%#v", r) }
|
||||
|
||||
func runner(rounds int) func(scan *bufio.Scanner) (*result, error) {
|
||||
return func(scan *bufio.Scanner) (*result, error) {
|
||||
var garden garden
|
||||
|
||||
for scan.Scan() {
|
||||
txt := scan.Text()
|
||||
garden.m = append(garden.m, []rune(txt))
|
||||
|
||||
for i, c := range txt {
|
||||
if c == 'S' {
|
||||
garden.start[0] = len(garden.m) - 1
|
||||
garden.start[1] = i
|
||||
}
|
||||
}
|
||||
}
|
||||
garden.Step(rounds)
|
||||
return &result{
|
||||
valuePT1: len(garden.steps[len(garden.steps)-1]),
|
||||
}, nil
|
||||
}
|
||||
}
|
||||
|
||||
type garden struct {
|
||||
start aoc.Point[int]
|
||||
m [][]rune
|
||||
steps []aoc.Set[aoc.Point[int]]
|
||||
}
|
||||
|
||||
func (g *garden) Neighbors(p aoc.Point[int]) []aoc.Point[int] {
|
||||
var neighbors []aoc.Point[int]
|
||||
for _, n := range []aoc.Point[int]{
|
||||
{p[0] - 1, p[1]},
|
||||
{p[0] + 1, p[1]},
|
||||
{p[0], p[1] - 1},
|
||||
{p[0], p[1] + 1},
|
||||
} {
|
||||
if n[0] >= 0 && n[0] < len(g.m) && n[1] >= 0 && n[1] < len(g.m[0]) && g.m[n[0]][n[1]] != '#' {
|
||||
neighbors = append(neighbors, n)
|
||||
}
|
||||
}
|
||||
return neighbors
|
||||
}
|
||||
|
||||
func (g *garden) Step(n int) {
|
||||
if len(g.steps) == 0 {
|
||||
g.steps = append(g.steps, aoc.NewSet(g.start))
|
||||
}
|
||||
|
||||
for step := range(n) {
|
||||
g.steps = append(g.steps, aoc.NewSet[aoc.Point[int]]())
|
||||
for p := range g.steps[step] {
|
||||
for _, n := range g.Neighbors(p) {
|
||||
g.steps[step+1].Add(n)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (g garden) String() string {
|
||||
var b []rune
|
||||
for i, line := range g.m {
|
||||
if i == g.start[0] {
|
||||
line[g.start[1]] = 'X'
|
||||
}
|
||||
|
||||
if steps := len(g.steps) - 1; steps > 0 {
|
||||
for p := range g.steps[len(g.steps)-1] {
|
||||
if p[0] == i {
|
||||
line[p[1]] = 'O'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
b = append(b, line...)
|
||||
b = append(b, '\n')
|
||||
}
|
||||
return string(b)
|
||||
}
|
||||
@@ -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 := runner(6)(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log(result)
|
||||
is.Equal(result.valuePT1, 16)
|
||||
is.Equal(result.valuePT2, 0)
|
||||
}
|
||||
|
||||
func TestSolution(t *testing.T) {
|
||||
is := is.New(t)
|
||||
scan := bufio.NewScanner(bytes.NewReader(input))
|
||||
|
||||
result, err := runner(64)(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log(result)
|
||||
is.Equal(result.valuePT1, 3709)
|
||||
is.Equal(result.valuePT2, 0)
|
||||
}
|
||||
@@ -0,0 +1,13 @@
|
||||
jqt: rhn xhk nvd
|
||||
rsh: frs pzl lsr
|
||||
xhk: hfx
|
||||
cmg: qnr nvd lhk bvb
|
||||
rhn: xhk bvb hfx
|
||||
bvb: xhk hfx
|
||||
pzl: lsr hfx nvd
|
||||
qnr: nvd
|
||||
ntq: jqt hfx bvb xhk
|
||||
nvd: lhk
|
||||
lsr: lhk
|
||||
rzs: qnr cmg lsr rsh
|
||||
frs: qnr lhk lsr
|
||||
File diff suppressed because it is too large.
Load diff
@@ -0,0 +1,63 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
_ "embed"
|
||||
"fmt"
|
||||
"iter"
|
||||
"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) {
|
||||
g := aoc.Graph[string, int]()
|
||||
var root string
|
||||
|
||||
for scan.Scan() {
|
||||
line := scan.Text()
|
||||
v, lis, ok := strings.Cut(line, ": ")
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
if root == "" {
|
||||
root = v
|
||||
}
|
||||
|
||||
for _, l := range strings.Split(lis, " ") {
|
||||
g.AddEdge(v, l, 1)
|
||||
g.AddEdge(l, v, 1)
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
for i, v := range enumerate(g.BFS(root)) {
|
||||
fmt.Println(i, v)
|
||||
}
|
||||
|
||||
return &result{}, nil
|
||||
}
|
||||
|
||||
func enumerate[T any](vs iter.Seq[T]) iter.Seq2[int, T] {
|
||||
i := 0
|
||||
return func(yield func(int, T) bool) {
|
||||
for v := range vs {
|
||||
if !yield(i, v) {
|
||||
return
|
||||
}
|
||||
i++
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -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, 50)
|
||||
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, 0)
|
||||
is.Equal(result.valuePT2, 0)
|
||||
}
|
||||
Whitespace-only changes.
Whitespace-only changes.
@@ -0,0 +1,30 @@
|
||||
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) {
|
||||
|
||||
for scan.Scan() {
|
||||
_ = scan.Text()
|
||||
|
||||
}
|
||||
|
||||
return &result{}, nil
|
||||
}
|
||||
@@ -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, 0)
|
||||
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, 0)
|
||||
is.Equal(result.valuePT2, 0)
|
||||
}
|
||||
+2
-22
@@ -9,7 +9,6 @@ import (
|
||||
aoc "go.sour.is/advent-of-code"
|
||||
)
|
||||
|
||||
|
||||
func TestList(t *testing.T) {
|
||||
is := is.New(t)
|
||||
|
||||
@@ -56,7 +55,6 @@ func TestPriorityQueue(t *testing.T) {
|
||||
is.True(v == nil)
|
||||
}
|
||||
|
||||
|
||||
func ExamplePriorityQueue() {
|
||||
type memo struct {
|
||||
pt int
|
||||
@@ -74,7 +72,7 @@ func ExamplePriorityQueue() {
|
||||
}
|
||||
|
||||
pq := aoc.PriorityQueue(less)
|
||||
visited := aoc.Set([]int{}...)
|
||||
visited := aoc.NewSet([]int{}...)
|
||||
dist := aoc.DefaultMap[int](int(^uint(0) >> 1))
|
||||
|
||||
dist.Set(0, 0)
|
||||
@@ -117,25 +115,7 @@ func ExamplePriorityQueue() {
|
||||
// point 5 is 22 steps away.
|
||||
// point 6 is 19 steps away.
|
||||
}
|
||||
func TestGraph(t *testing.T) {
|
||||
is := is.New(t)
|
||||
|
||||
var adjacencyList = map[int][]int{
|
||||
2: {3, 5, 1},
|
||||
1: {2, 4},
|
||||
3: {6, 2},
|
||||
4: {1, 5, 7},
|
||||
5: {2, 6, 8, 4},
|
||||
6: {3, 0, 9, 5},
|
||||
7: {4, 8},
|
||||
8: {5, 9, 7},
|
||||
9: {6, 0, 8},
|
||||
}
|
||||
|
||||
g := aoc.Graph(aoc.WithAdjacencyList[int, int](adjacencyList))
|
||||
is.Equal(g.Neighbors(1), []int{2, 4})
|
||||
is.Equal(map[int][]int(g.AdjacencyList()), adjacencyList)
|
||||
}
|
||||
|
||||
func ExampleFibHeap() {
|
||||
type memo struct {
|
||||
@@ -154,7 +134,7 @@ func ExampleFibHeap() {
|
||||
}
|
||||
|
||||
pq := aoc.FibHeap(less)
|
||||
visited := aoc.Set([]int{}...)
|
||||
visited := aoc.NewSet([]int{}...)
|
||||
dist := aoc.DefaultMap[int](int(^uint(0) >> 1))
|
||||
|
||||
dist.Set(0, 0)
|
||||
|
||||
Loaded 100 of 123 files, more files were not shown because too many files have changed in this diff.
Show more
Reference in new issue
Block a user