Merge pull request 'Merge alan onto master' (#1) from alan into master

Reviewed-on: #1
This commit was merged in pull request #1.
This commit is contained in:
2025-01-14 12:23:46 +00:00
51 changed files with 17572 additions and 13 deletions

291
2024/go/day06/day06.go Normal file
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package day06
import (
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
_ "strings"
)
type Direction int
const (
_ Direction = iota
Up
Down
Left
Right
)
type Pos struct {
x int
y int
}
type Loc struct {
dir Direction
pos Pos
count int
}
type Point struct {
dirs []Direction
display string
}
func (d Direction) String() string {
return [...]string{"-", "Up", "Down", "Left", "Right"}[d]
}
func (l Loc) String() string {
return fmt.Sprintf("Direction: %s, Position: %d %d", l.dir, l.pos.x, l.pos.y)
}
func Part1(input string) int {
var loc Loc
grid := inputs.ToGrid2D(input, "\n", "", "", func(c string) string { return c })
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
if grid.Get(x, y) == "^" {
loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y) == "v" {
loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y) == ">" {
loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y) == "<" {
loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
}
}
}
fmt.Println(grid.Matrix())
fmt.Printf("%v\n", loc)
grid.Set(loc.pos.x, loc.pos.y, "X")
loc.count = 1
move1(&loc, grid)
return loc.count
}
func Part2(input string) int {
var loc Loc
grid := inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
if grid.Get(x, y).display == "^" {
loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == "v" {
loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == ">" {
loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == "<" {
loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
}
}
}
fmt.Println(grid.Matrix())
fmt.Printf("%v\n", loc)
point := grid.Get(loc.pos.x, loc.pos.y)
grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(point.dirs, Up), display: "X"})
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
grid = inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
p := grid.Get(x, y)
if p.display == "." {
grid.Set(x, y, Point{dirs: p.dirs, display: "#"})
l := loc
if isLoop(&l, grid) {
loc.count++
}
grid.Set(x, y, Point{dirs: p.dirs, display: "."})
}
}
}
return loc.count
}
func isLoop(loc *Loc, grid *grid2d.Grid[Point]) bool {
for {
_, _, err := move2(loc, grid)
if err != nil { return false }
if contains(loc.dir, grid.Get(loc.pos.x, loc.pos.y)) {
return true
} else {
p := grid.Get(loc.pos.x, loc.pos.y)
grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(p.dirs, loc.dir), display: "X"})
}
}
}
func Part2b(input string) int {
var loc Loc
grid := inputs.ToGrid2D(input, "\n", "", Point{}, func(c string) Point { return Point{dirs: make([]Direction, 1), display: c} })
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
if grid.Get(x, y).display == "^" {
loc = Loc{dir: Up, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == "v" {
loc = Loc{dir: Down, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == ">" {
loc = Loc{dir: Right, pos: Pos{x: x, y: y}}
}
if grid.Get(x, y).display == "<" {
loc = Loc{dir: Left, pos: Pos{x: x, y: y}}
}
}
}
fmt.Println(grid.Matrix())
fmt.Printf("%v\n", loc)
point := grid.Get(loc.pos.x, loc.pos.y)
grid.Set(loc.pos.x, loc.pos.y, Point{dirs: append(point.dirs, Up), display: "X"})
loc.count = 0
for {
_, _, err := move2(&loc, grid)
if err != nil {
break
}
if contains(loc.dir, grid.Get(loc.pos.x, loc.pos.y)) {
loc.count++
break
}
}
return loc.count
}
func move1(loc *Loc, grid *grid2d.Grid[string]) int {
return -1
}
func move2(loc *Loc, grid *grid2d.Grid[Point]) (int, int, error) {
x, y, err := doMove(loc, grid)
if err != nil {
return x, y, err
}
if x == loc.pos.x && y == loc.pos.y {
move2(loc, grid)
}
return x, y, nil
}
func canBlock(loc *Loc, point Point) bool {
val := false
switch loc.dir {
case Up:
if contains(Right, point) {
val = true
}
case Down:
if contains(Left, point) {
val = true
}
case Left:
if contains(Up, point) {
val = true
}
case Right:
if contains(Down, point) {
val = true
}
}
return val
}
func contains(v Direction, point Point) bool {
for _, d := range point.dirs {
if d == v {
return true
}
}
return false
}
func checkMove(loc *Loc, grid *grid2d.Grid[string]) bool {
switch loc.dir {
case Down:
if loc.pos.y+1 >= grid.SizeY() {
return false
}
if grid.Get(loc.pos.x, loc.pos.y+1) == "#" {
loc.dir = Left
} else {
loc.pos.y++
}
case Up:
if loc.pos.y-1 < 0 {
return false
}
if grid.Get(loc.pos.x, loc.pos.y-1) == "#" {
loc.dir = Right
} else {
loc.pos.y--
}
case Left:
if loc.pos.x-1 < 0 {
return false
}
if grid.Get(loc.pos.x-1, loc.pos.y) == "#" {
loc.dir = Up
} else {
loc.pos.x--
}
case Right:
if loc.pos.x+1 >= grid.SizeX() {
return false
}
if grid.Get(loc.pos.x+1, loc.pos.y) == "#" {
loc.dir = Down
} else {
loc.pos.x++
}
}
return true
}
func doMove(loc *Loc, grid *grid2d.Grid[Point]) (int, int, error) {
x := loc.pos.x
y := loc.pos.y
switch loc.dir {
case Down:
if loc.pos.y+1 >= grid.SizeY() {
return x, y, fmt.Errorf("outside")
}
if grid.Get(loc.pos.x, loc.pos.y+1).display == "#" {
loc.dir = Left
} else {
loc.pos.y++
}
case Up:
if loc.pos.y-1 < 0 {
return x, y, fmt.Errorf("outside")
}
if grid.Get(loc.pos.x, loc.pos.y-1).display == "#" {
loc.dir = Right
} else {
loc.pos.y--
}
case Left:
if loc.pos.x-1 < 0 {
return x, y, fmt.Errorf("outside")
}
if grid.Get(loc.pos.x-1, loc.pos.y).display == "#" {
loc.dir = Up
} else {
loc.pos.x--
}
case Right:
if loc.pos.x+1 >= grid.SizeX() {
return x, y, fmt.Errorf("outside")
}
if grid.Get(loc.pos.x+1, loc.pos.y).display == "#" {
loc.dir = Down
} else {
loc.pos.x++
}
}
return x, y, nil
}

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package day06
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`....#.....
.........#
..........
..#.......
.......#..
..........
.#..^.....
........#.
#.........
......#...`)
require.Equal(t, 41, r)
}
func TestPart2(t *testing.T) {
r := Part2(`....#.....
.........#
..........
..#.......
.......#..
..........
.#..^.....
........#.
#.........
......#...`)
require.Equal(t, 6, r)
}

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2024/go/day06/input.txt Normal file
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...#..................#...................#......................#..............................#.............................#...
....#.......................#........#.#..............##...........#.....#..........#..........................#..................
.............#........................................................................#.........#.#..#..#..........#..............
..........#.......#..........#..................#........##...................#..............#....................................
....................#..........................................................#..#.....................................#.........
....#............................#..............................................#.....................#..........##....#..........
.......#.............#......................................................................#.............#.........#.............
....###......................#....#...........#.....#................................#..........................#.................
..........#..#...........#..#........................................................#.....#...........#................#.........
..#....#......#....#....#...................................................................#.....................................
....................#............#............................................#......#....#...............................#.......
..........#.......#.........#.......#.............................................................................................
.......#...#.......................................#...................#..........................................................
.......#........#............................#.....#.......#..............................................#..................#...#
.....................#.................................#................#...#...............#.....#.#..........................#..
.....#..........................................#......................#.............##..............................#........#...
.....#......#.........................#..........................#..........................................................#..#..
.#......#.............#......#.................................................#.....#...................##......#................
.............................................................................##...................................................
........................................#.......................................#........#.............................#.#.......#
...........#.....................................#.............................#......#......#..#....................#..#.........
.............................................#.......................#..................##....#.....#.............................
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#..............#.........................#........#...#...............#..............#..................#....................##...
...#...#.............................#.......#................................................#........................#....#.....
.....#.........................#..#.......................#..........#.....................#..................#.#.....#...........
..................#........#..#.......#...................................................................................#....#..
..#...#...............................................#.#..#........................................................#....#......#.
...............#...............#..........................#............................#..........#.............#.................
............#.....#........#.........................................................#........#........#.....#........#......#....
............................#.........#....#........#.....#...#.............#.................................#...................
........#..................#....#..........................................................#.#.#..................................
....................................................................................................................#.............
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...............................#....#..........#...........##........................................................#.........#.#
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...........#.......................................#..............................#..................#....#...##..................
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#......#......#..................................##.................#.#...............................#...........................
.#...............#..........#...............................................#...#..........#..........#...........................
.....................................#............................#....#.............................................#...#........
......#...#.............#.#....................#.........#..........##.................................#..........#..........#....
.............................#..................#....#..............##.......................#.#.....#........#...................
.................................................#.#......................................................#................#......
......................................#..........................................#......#.........................................
#....................#...........................................................#..................#.............................
.....#.........#...................................................#....#.#....#.#.........#......................................
........#..........#......#.............#................................#.....#................#.................................
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.......#...............#....................#..#................................................#.................................
.....................#.........#..#............#..........#...........#...........#...............................#...............
................#...#........#...........#..........................................................#..#...................#......
.........................................................#.....................#...#......................#.#....................#
................#......#....#.#..............#............#.......................................................................
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#......................................#.......#.....##..#.....................#.........#.......#................................
........#...#..............#....................#................................#..............................................#.
.##............................................................................#......#................................#..........
.#........................#..............#..............................................#........#.....#.......#..................
#......................................#.....................#...................................................................#
............................#.....#.....#............#...............#...#.......#.........#......................................
.#.........................#.......................#.........#.......#.................#............................#..#..........
.............................................................................................................#........##..........
...........#...#...#.#................#.....................................#........#............................................
......#.......................#..........#.......#................................................................#...............
........#....#........#..................#....##.....#............#..............................#...........#...........#..#.....
..................................#...............................................................................#...............
.....................#.#.......................#....................................#.............................................
........................................................................................#.........#.................#.........#...
..........................#..........#....#..........................................#.......................#............#.#.....
...............................................#.#....#...............................#...................#......................#
.....#...........#........#.#.......#.............................#..................#............................................
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...................#......#.............................................#......................................................#.#
..#.............#.......#......#....#..#..#.......................................................................................
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..............#..............#................................................................#.......................#...........
..........................#.................#.......................................................##...................#.#......
...............#..#...................................................................................................#.......###.
...#.....................#..#........#..........#..................................................................##.............
.................#.......................................###..............#.........................#.............................
...#.....................................................#.......#..........................#................#..#.................
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.....#.............#...................#...................#.....................................#................................
.....................#.........................#......#...........................................................................
...........#...............#......#.....##...#...#.............................................#........#.#...............#...#...
..............#..............##...........#.......................#..#.^..........................................................
...................#..............................................................................................................
..................#.......#..........#.......#..................#..........#...................................#..................
..............................................................................................#..................................#
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..............#.........#..............................#.....................#......................#.............................
#................#.........#................#.............................#......................#..#...#..............#..........
.#..#........#................#...............#..................#........#.....................#............#........#...........
.....................................................#.#.........#......................#.............................#........#..
......................#.....................#..#......#..........................#............................#......#............
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...#.....##..............................#.........................................................#............#.................
.....#....##............................#....##..........#...#....................................................................
..................................................#..........................#.........##.......#.......................#.........
.........#.....#..........#........#........................#.##..#............#.......................................#..........
.....#...............#.......#..........#.#..........#.....................#.....................................#.....#..........
....#......#............................................................................................##...#.#.#.........#......
...........#........................#.....#....................#..................#.#........#....................................
....................................................#................#.#................................................#.........
..........#..............#.......................#.................#...................................#.............#.#......##..
................##......................................................#.................#.......#.#....................#........
................#......................................................#.............##...............#.....#......#.......#......
..............................#............................#..........#...........#...............................................
.......#.............#....................................................................#..............................#.#......
...#.....................#.#...............................................................#...#..#....#..........................
....#.........##......#..............................................................................#..................#.........
....#..........................................#......#...................#........##............#................................
..#.......#......#............#........#...#.#...........................#.......#................................................
..........................#...#....................#...............#...#......#.#...#...#...............#.#.#.....................
....##.#....................................................................#...#.....##........................#.##..............
.............................................#....................................................................................

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2024/go/day07/day07.go Normal file
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package day07
import (
"adventofcode2024/utils"
"fmt"
"strconv"
"strings"
)
type Op int
const (
Add Op = iota
Mul
Conc
)
func Part1(input string) int {
val := 0
lines := strings.Split(input, "\n")
for _, line := range lines {
parts := strings.Split(line, ":")
result := utils.MustAtoi(parts[0])
numStrings := strings.Fields(parts[1])
var numbers []int
for _, numStr := range numStrings {
num := utils.MustAtoi(numStr)
numbers = append(numbers, num)
}
bitmask := 1 << (len(numbers) - 1)
for i := 0; i < bitmask; i++ {
calc := 0
switch isNthBitSet(i, 0) {
case true:
calc = numbers[0] + numbers[1]
case false:
calc = numbers[0] * numbers[1]
}
for n := 1; n < len(numbers)-1; n++ {
switch isNthBitSet(i, n) {
case true:
calc = calc + numbers[n+1]
case false:
calc = calc * numbers[n+1]
}
}
if calc == result {
fmt.Printf("result: %v numbers:%v count: %d\n", result, numbers, bitmask)
val += result
break
}
}
}
return val
}
func Part2(input string) int {
val := 0
lines := strings.Split(input, "\n")
for _, line := range lines {
parts := strings.Split(line, ":")
result := utils.MustAtoi(parts[0])
numStrings := strings.Fields(parts[1])
var numbers []int
for _, numStr := range numStrings {
num := utils.MustAtoi(numStr)
numbers = append(numbers, num)
}
operations := []Op{Add, Mul, Conc}
results := [][]Op{}
generatePermutations(operations, len(numbers)-1, []Op{}, &results)
for _, op := range results {
calc := 0
switch op[0] {
case Add:
calc = numbers[0] + numbers[1]
case Mul:
calc = numbers[0] * numbers[1]
case Conc:
calc = concat(numbers[0], numbers[1])
}
for n := 1; n < len(numbers)-1; n++ {
switch op[n] {
case Add:
calc = calc + numbers[n+1]
case Mul:
calc = calc * numbers[n+1]
case Conc:
calc = concat(calc, numbers[n+1])
}
}
if calc == result {
fmt.Printf("result: %v numbers:%v\n", result, numbers)
val += result
break
}
}
}
return val
}
func isNthBitSet(num, n int) bool {
return num&(1<<n) != 0
}
func getOp(row, col int) Op {
vals := []Op{Add, Mul, Conc}
// Column 0 cycles as row / 3
if col == 0 {
return vals[row/3]
}
// Column 1 cycles as row % 3
return vals[row%3]
}
// Recursive function to generate permutations
func generatePermutations(ops []Op, n int, prefix []Op, results *[][]Op) {
if n == 0 {
// Append a copy of the current prefix to the results
*results = append(*results, append([]Op{}, prefix...))
return
}
// Iterate over all operations and build the combinations
for _, op := range ops {
generatePermutations(ops, n-1, append(prefix, op), results)
}
}
func concat(a, b int) int {
aStr := strconv.Itoa(a)
bStr := strconv.Itoa(b)
concatStr := aStr + bStr
result, _ := strconv.Atoi(concatStr)
return result
}

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package day07
import (
"testing"
"github.com/stretchr/testify/require"
"fmt"
)
func TestPart1(t *testing.T) {
r := Part1(`190: 10 19
3267: 81 40 27
83: 17 5
156: 15 6
7290: 6 8 6 15
161011: 16 10 13
192: 17 8 14
21037: 9 7 18 13
292: 11 6 16 20`)
require.Equal(t, 3749, r)
}
func TestPart2(t *testing.T) {
r := Part2(`190: 10 19
3267: 81 40 27
83: 17 5
156: 15 6
7290: 6 8 6 15
161011: 16 10 13
192: 17 8 14
21037: 9 7 18 13
292: 11 6 16 20`)
require.Equal(t, 11387, r)
}
func TestGetOp(t *testing.T) {
operations := []Op{Add, Mul, Conc} // Define the operations
X := 3 // Define the number of positions (columns)
// Start the recursive generation with an empty prefix
results := [][]Op{}
generatePermutations(operations, X, []Op{}, &results)
for _, op := range results {
fmt.Printf("%v\n", op)
}
r := Add
require.Equal(t, Add, r)
}

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16183610: 62 7 96 8 6 8 52 3 3 47
408936528: 5 1 5 1 9 2 2 8 7 1 725 63
20378697464: 101 893 487 2 6 4
376576: 4 9 235 57 1 3 6 722 8
431880008: 18 66 276 5 295 4 5 7 1
379520346363: 858 95 723 8 92 7 9 2
18243750: 76 24 3 750
7302: 806 446 391 791 3
18879037: 7 75 1 94 217 37
3887037856: 805 64 71 7 9 856
120267: 3 48 937 659 3 69
757199: 86 2 69 7 7 8 80 5 8 743
5835692: 349 65 110 8 1 8 35 4
9693533: 560 33 54 523 251
1691420808: 33 720 4 76 84 66
27537: 5 2 2 4 296 73 89
3099946535: 7 330 5 245 9 4 5 3 7 3 5
2430252: 58 1 3 9 47 71 5 19 418
379232792: 789 98 6 71 6 8 535 8 2
11690268: 2 92 3 2 83 72 1 3 1 6 8 4
65091: 225 4 895 1 9 6 5 6 81
230263117372: 405 38 568 727 7 372
1071440: 6 4 614 67 30 4 7 1 229
60445800: 3 7 9 9 9 683 27 8 4 4
6834722563: 95 43 29 182 9 317
449482: 98 1 458 99 85
381868494: 74 992 18 289 78
42075: 86 3 28 14 38 18 225
105275: 13 751 755 4 91
1258023882: 4 79 534 502 61 3 3 9
766505: 7 87 21 4 4 7 83 5
4569436040: 355 7 6 3 4 7 8 753 4 29
182512: 4 1 7 1 6 66 38 8 6 112
238680: 9 42 36 65 2
81450600: 235 52 86 6 275 2
20684471: 2 989 98 2 4 237 3 7 59
79521192: 48 98 9 91 5 15 29 18
604195918: 756 74 12 2 9 52 7 8
43646875223: 62 28 8 5 6 8 730 3 2 3
24683153283: 5 12 2 2 462 2 72 24 3
13641: 21 664 2 3 655 5 61
23364264: 35 5 9 43 39 2 520 8 33
1352375279: 9 21 54 9 84 61 527
122558095823: 51 58 4 676 99 6 3 7 2 9
9153847: 912 3 1 38 47
623510: 25 63 6 30 892 86 2 5
100277100: 352 773 45 20 90 22
19779196416: 7 239 64 716 2 129
5982828: 86 3 644 9 2 271 66 4
1287462: 3 25 68 2 93 15 6 22
11178753676: 9 9 69 3 7 2 4 8 2 6 8 8
38798: 3 314 4 4 71 38
15055: 1 43 7 52 3
58769: 813 2 4 4 3 1 1 8 3 47 7 5
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952: 5 3 7 91 31 6 749 7 1 5 7
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82448: 12 4 9 58 1 34 1 1 3 2 3 4
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15903155187792: 90 16 503 18 73 2 92 6
8504979: 4 83 2 5 8 7 7 64 73 74
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227343: 7 77 268 9 481 1 90 3 3
326565: 815 40 9 468 3 85
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39343: 80 49 2 72 69
61878: 86 58 9 295 138 54
1863313: 4 41 68 8 7 314
81640800: 1 69 3 493 800
159012: 37 80 6 2 21
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58789: 202 628 35 6 3 2 1 671
3072485: 6 45 337 94 487 9 2
256800: 2 8 8 6 535
283078917: 5 7 733 38 30 39 3 309
34675: 47 8 3 4 5 995 4 5 4 175
15603: 4 14 832 364 263
3938405130: 1 8 715 46 1 3 2 8 5 6 51
1769660661: 7 2 5 2 2 3 103 35 7 426
1609545534: 32 2 83 7 55 37 7 5 89 6
77820294491: 6 63 2 917 1 64 17 74
11220481: 3 33 3 3 83 1 3 6 640 1
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1599441406: 416 6 89 8 5 900 7 8 91
156508013: 9 3 92 6 57 2 440 8 1 1
8346: 5 8 182 686 380
231984743: 9 72 888 7 38 9 7 607 3
21601: 37 6 2 132 7 96 1
724: 27 317 27 274 79
55994878860: 38 9 34 799 5 9 2 4 9 4
4631: 1 40 16 7 39
712350654: 857 68 17 18 453
229674: 1 723 402 36 58 3
2100: 843 740 55 76 386
921150275: 51 64 890 9 275
734929386: 632 380 4 9 90 34 6
2669199: 97 5 7 95 922 7 9 6 8 6 1
1500039: 2 7 331 3 6 2 3 8 1 9 27 9
72048: 240 650 9 49 76
1660302: 113 25 5 850 22 76 4 2
511746807: 47 9 809 9 465 807
38019125: 369 68 87 11 9 6
4527: 6 6 9 45 293 5 2 4 2 691
242568: 8 24 6 341 64 8
427: 3 81 4 91 1
23195120: 22 198 655 342 120
360: 9 6 4 2 3
6853: 79 6 78 216 7
35758: 336 21 1 43 8 6 1
2179618: 7 70 70 4 680 1 98
9606: 86 4 2 3 943
26749464: 1 5 433 5 717 98 84
776037573: 8 8 894 9 577 6 621 9
799293: 99 8 76 2 4 4 6 1 3 5 31 3
2691671: 1 7 6 2 1 4 1 12 65 668 3
1544: 898 24 1 496 99 27
68191364: 42 990 2 2 82
524438312: 524 4 382 42 70
8831455: 5 2 7 29 5 435 2 76 879
434271927: 649 708 8 725 73 4 7
88569642727: 885 69 642 7 27
663: 204 17 3
38449: 2 65 6 1 1 8 1 2 56 8 369
392709: 28 177 117 2 50 5 7 3 9
58033879: 8 725 4 9 7 8 16 570 1 9
94154: 150 22 5 86 358
43361102577534: 7 5 59 634 69 749 966
2026946: 8 257 6 983
5551744: 3 9 9 9 79 661 51 7 8 4
467134789: 819 596 957 92 29
1434: 1 5 1 6 8 520
1660075: 217 34 83 710 8 7 38 1
104704026560: 2 8 7 4 6 5 9 429 5 20 7 4
3362348024: 7 4 601 27 3 897 5 7
967272990: 17 30 354 9 559 9 64
695308: 69 436 8 86 854
617664: 4 19 879 684 696
280208148: 365 766 618 143 4
11358272: 74 3 5 44 43 11 29 63 2
102: 25 2 8 67 1
148752720571: 5 693 265 6 10 9 19 3 1
9326675237: 4 658 325 28 56 774 5
63112912358: 63 11 29 123 6 1
689052595: 202 96 7 7 485
6261: 8 4 31 16 93 8 13
1143244033: 857 230 95 9 29 2 1
4077224042: 5 343 675 763 17
148967182: 91 464 855 38 91
13013: 261 7 9 23 7
151402: 2 7 65 119 8 8 484 2 2
1162841: 4 653 7 444 5
122954: 931 42 59 1 119 25
8802293760: 8 6 5 2 7 248 208 5 72 6
882283627: 2 60 762 28 29 68 659
119320851948: 4 6 9 3 2 736 8 3 5 65 8 6
363560: 599 2 9 551 61
79156980000: 12 75 3 35 8 5 487 43
2016471: 8 80 2 5 9 9 1 5 7 66 90
541898: 7 906 63 68 6
8691: 44 4 41 2 4
57859465: 582 9 60 978 6 5 974
969507840: 8 5 3 520 71 4 254 7 3 1
111331: 14 9 2 8 4 3 1 40 188 3
79296: 9 72 2 52 62 4 2 48 7
99752561604: 25 783 42 2 4 32 2 482
260196: 85 8 466 6 2 104 53 9
54308747928: 84 978 7 115 1 6 958
177610113: 5 12 4 679 5 23 457 9
291015504: 409 342 4 702 138
111029044: 7 658 506 16 57 7 844
4431074491353: 263 96 287 7 27 650
61459200: 3 3 3 37 4 805 2 30 80 9
4938: 2 6 7 7 7 586 74 4 130 6
724927: 1 687 9 1 13 80 47
176219199: 8 533 928 1 351
7061236841: 52 30 20 299 859
1680930: 56 9 2 120 1 799 8 2 95
22230091458: 5 780 57 91 4 61
618962: 618 8 7 9 1
979087974: 896 52 407 2 5 53 393
1076124: 3 42 7 761 124
39804061: 3 6 7 9 3 2 3 685 535 6 1
617371560: 9 2 6 77 1 83 4 26 9 10 1
59292627728: 244 243 62 77 28
60679755965: 81 7 1 3 19 57 687 65
385718461: 2 6 873 908 8 3 3 3 2 24
70068614: 5 2 19 383 178 887 7 7
81627: 812 1 8 236 87 45 41
61252920: 7 396 200 229 90
122349515906: 536 4 1 3 95 66 704 49
236503863: 546 954 305 373 131
3351192: 2 65 1 640 75 9 78
5108625: 3 2 2 5 2 165 313 1 7 8 6
178031530140: 14 4 9 269 7 1 710 822
6883328: 6 94 1 3 113 7 9 4 1 4 4
4007370310: 15 90 8 9 7 357 89 830
588964251601: 7 5 347 2 47 20 963 5 1
270755048: 6 42 1 631 212 57 8 8
1332121: 8 9 8 4 2 3 6 800 8 3 3 88
5591335: 371 3 5 2 6 7 5
14219565360: 5 993 213 3 8 754 91 5
5861562162: 1 8 9 4 8 6 6 4 451 53 6 2
1433385: 874 74 21 72 9
15707744640: 568 36 6 5 59 434
1690128: 66 2 4 97 33
398948632: 65 4 61 85 5 3 7 72
10387019376: 63 1 245 7 6 77 42 328
4179604: 5 6 422 1 20 40 45 4
207295515460: 7 423 3 645 7 3 9 6 1 1 9
1496054: 80 69 48 12 54
117174039: 60 5 5 4 331 59 2 37
120561: 443 34 8 3 62
1093662: 1 413 9 1 86
72832203: 49 3 4 4 791 3 5 22 3 9 9
9172450: 520 94 7 264 49 175
5092: 9 52 9 6 5 869
205017: 859 5 67 47 3
502964: 5 465 2 92
982872: 55 31 30 94 721 1 6
18842130: 997 20 24 362 50 30
933: 11 824 8 3 87
100362657: 9 3 2 6 375 988 3 3 8 4 1
125631197: 7 8 1 2 92 6 9 72 1 563 2
16965: 936 759 2 5 8
63221509696: 76 214 5 4 340 89 8 8
175095120: 66 4 1 5 6 10 184 6 3 8 5
5948579768: 69 5 3 2 6 5 44 93 3 8 4 3
612455: 6 4 1 638 251 2 8 3 1 9 6
35828415: 6 4 1 7 9 779 2 22 5 4 5 7
1423570: 77 835 65 4 6 1 849
139702935: 55 8 4 5 5 6 4 90 2 935
521072: 148 8 55 9 5 8
42845205: 9 110 6 54 47 5
155790: 8 558 97 18 1
347911604818: 91 6 354 22 44 2 9 9 8 8
196579: 1 9 15 15 129 2 19 499
178336116: 5 53 16 4 522 6 6
211784: 352 6 6 22 4
357611951: 9 19 8 1 613 463 7 3 3 5
2856: 6 31 29 54 4
3115653: 8 404 964 5
139573401: 1 34 1 142 33 851 891
2731: 3 107 8 1 8 8 80 3
1635930605522: 8 5 9 6 8 137 7 94 604 2
2517747584: 8 1 3 715 424 5 755 1 9
13551: 8 9 6 589 4
8640: 9 60 9
246434062: 6 18 632 93 960 87 62
844073: 298 57 899 67 7 47
14942463139: 169 883 197 631 39
70584888: 8 8 23 8 888
66176064187: 882 7 833 5 9 17 2 7 5 3
54955: 54 95 5
1683752: 417 2 9 562 7
31395181: 94 497 1 1 672 9 4
418453: 9 7 19 1 1 349 2
737204: 8 1 4 189 9 3 86 4 5 5 1 3

168
2024/go/day08/day08.go Normal file
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package day08
import (
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
)
type loc struct {
x int
y int
}
type pt struct {
display rune
antinodes int
paired map[loc]pt
visited map[rune]bool
}
func Part1(input string) int {
grid := inputs.ToGrid2D(input, "\n", "", pt{display: '.'}, func(c string) pt { return pt{display: rune(c[0]), paired: make(map[loc]pt), visited: make(map[rune]bool)} })
for x1 := 0; x1 < grid.SizeX(); x1++ {
for y1 := 0; y1 < grid.SizeY(); y1++ {
pt1 := grid.Get(x1, y1)
if pt1.display != '.' {
for x2 := 0; x2 < grid.SizeX(); x2++ {
for y2 := 0; y2 < grid.SizeY(); y2++ {
pt2 := grid.Get(x2, y2)
if x1 != x2 && y1 != y2 && pt1.display == pt2.display && !isPaired(x1, y1, pt1, pt2) {
pt1.paired[loc{x: x2, y: y2}] = pt2
pt2.paired[loc{x: x1, y: y1}] = pt1
}
}
}
}
}
}
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
pt1 := grid.Get(x, y)
if pt1.display != '.' {
for ploc := range pt1.paired {
addAntiNodes(x, y, ploc.x, ploc.y, grid)
}
}
}
}
antinodes := 0
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
pt := grid.Get(x, y)
if pt.antinodes > 0 {
antinodes++
}
}
}
return antinodes
}
func Part2(input string) int {
grid := inputs.ToGrid2D(input, "\n", "", pt{display: '.'}, func(c string) pt { return pt{display: rune(c[0]), paired: make(map[loc]pt), visited: make(map[rune]bool)}})
for x1 := 0; x1 < grid.SizeX(); x1++ {
for y1 := 0; y1 < grid.SizeY(); y1++ {
pt1 := grid.Get(x1, y1)
if pt1.display != '.' {
for x2 := 0; x2 < grid.SizeX(); x2++ {
for y2 := 0; y2 < grid.SizeY(); y2++ {
pt2 := grid.Get(x2, y2)
if x1 != x2 && y1 != y2 && pt1.display == pt2.display && !isPaired(x1, y1, pt1, pt2) {
pt1.paired[loc{x: x2, y: y2}] = pt2
pt2.paired[loc{x: x1, y: y1}] = pt1
pt1.antinodes++
pt2.antinodes++
grid.Set(x1, y1, pt1)
grid.Set(x2, y2, pt2)
}
}
}
}
}
}
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
pt1 := grid.Get(x, y)
if pt1.display != '.' {
for ploc := range pt1.paired {
addAntiNodes_p2(pt1.display, x, y, ploc.x, ploc.y, grid)
}
}
}
}
antinodes := 0
fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
pt := grid.Get(x, y)
if pt.antinodes > 0 {
antinodes++
} else {
if pt.display != '.' { antinodes++ }
}
}
}
return antinodes
}
func formatter(p pt, x int, y int) string {
if p.antinodes > 0 {
return "#"
}
return "."
}
func isPaired(x int, y int, p1 pt, pt2 pt) bool {
return p1.paired[loc{x: x, y: y}].display == pt2.display
}
func addAntiNodes(x1 int, y1 int, x2 int, y2 int, grid *grid2d.Grid[pt]) {
px1, py1, px2, py2 := offsetPoints(x1, y1, x2, y2)
if px1 < 0 || px1 >= grid.SizeX() || py1 < 0 || py1 >= grid.SizeY() {
return
}
pt1 := grid.Get(px1, py1)
pt1.antinodes++
grid.Set(px1, py1, pt1)
if px2 < 0 || px2 >= grid.SizeX() || py2 < 0 || py2 >= grid.SizeY() {
return
}
pt2 := grid.Get(px2, py2)
pt2.antinodes++
grid.Set(px2, py2, pt2)
}
func addAntiNodes_p2(frequency rune, x1 int, y1 int, x2 int, y2 int, grid *grid2d.Grid[pt]) {
px1, py1, px2, py2 := offsetPoints(x1, y1, x2, y2)
if !(px1 < 0 || px1 >= grid.SizeX() || py1 < 0 || py1 >= grid.SizeY()) {
pt1 := grid.Get(px1, py1)
if !pt1.visited[frequency] {
pt1.antinodes++
pt1.visited[frequency] = true
grid.Set(px1, py1, pt1)
addAntiNodes_p2(frequency, x1, y1, px1, py1, grid)
}
}
if !(px2 < 0 || px2 >= grid.SizeX() || py2 < 0 || py2 >= grid.SizeY()) {
pt2 := grid.Get(px2, py2)
if !pt2.visited[frequency] {
pt2.antinodes++
pt2.visited[frequency] = true
grid.Set(px2, py2, pt2)
addAntiNodes_p2(frequency, x2, y2, px2, py2, grid)
}
}
}
// Function to calculate two points symmetrically placed above and below the line
func offsetPoints(x1, y1, x2, y2 int) (int, int, int, int) {
dx := x1 - x2
dy := y1 - y2
p1x := x1 + dx
p1y := y1 + dy
p2x := x2 - dx
p2y := y2 - dy
return p1x, p1y, p2x, p2y
}

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@@ -0,0 +1,39 @@
package day08
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`............
........0...
.....0......
.......0....
....0.......
......A.....
............
............
........A...
.........A..
............
............`)
require.Equal(t, 14, r)
}
func TestPart2(t *testing.T) {
r := Part2(`............
........0...
.....0......
.......0....
....0.......
......A.....
............
............
........A...
.........A..
............
............`)
require.Equal(t, 34, r)
}

50
2024/go/day08/input.txt Normal file
View File

@@ -0,0 +1,50 @@
.....y..........................p................r
........I.........................................
......................4.s.........................
..........4.......................................
....y.............................................
......................................p.........r.
..........0..s......N..................1.....p....
..y........4.......................p..............
...............0..................................
..............0....t....N....h....................
.............N....................................
......j...................s............H...l..O...
..........q.................H................O....
..f...e.qj.....y...0..............................
...........t..........................k..Q..r.....
.........6................Q..s...x......W.........
....2..b...e....t..4.........c.....xW.j...........
...e....................w................1.....O..
..e..j..5...........................c.............
.........B..2...............MK................H...
...2......b...g..X...q..........h...............O.
...q...2..........m....k...i...............QV.x...
...................i.........W.k.............HQ...
........b...X...............D..........c...N......
................................l..........h.....I
.m...........g......l.......c.............3......V
....X.......m........g...V.K...7......F.d.........
.........b.X...U..........................C.......
.....................l..............o.1....C......
............u.............K..............3...d....
......................i.T....f................V...
..............................1.k.................
.B.....E......9..m....K..5.M......................
...P...............M...95....o..i........I........
...............................S......3......wI...
.....EP...........9........5..T.R.................
.P..........v..9......f.............R.Co..w3......
..........h...SG..v.E...7..f.T....................
..........6..........L.................Y.......d..
..........B...............U........D..............
....B................U.....8..M....n...J..........
.........................L................Fw......
....L6E.P.................7.UG....J.....Y.D.......
........t........v...SJ........n..d...............
......................8v.....uG...................
..................L.....n.........................
...............T..............n......D............
..............o.........8................J.Y.R....
..................S...............u....F.......R..
........6..............u.....7.8..........Y..F....

117
2024/go/day09/day09.go Normal file
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@@ -0,0 +1,117 @@
package day09
import (
"adventofcode2024/utils"
"fmt"
)
func Part1(input string) int {
disk := []int{}
file_id := 0
for i := 0; i <= len(input); i++ {
for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
disk = append(disk, file_id)
}
i++
if i < len(input) {
for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
disk = append(disk, -1)
}
}
file_id++
}
printDisk(disk)
for i:=len(disk)-1;i>0;i--{
if disk[i] != -1 {
id := disk[i]
disk[i] = -1
for j:=0;j<=len(disk);j++ {
if disk[j] == -1 {
disk[j] = id
break
}
}
}
}
printDisk(disk)
checksum := 0
for i:=0;i<len(disk);i++ {
if disk[i] != -1 {
checksum += i * disk[i]
}
}
return checksum
}
func Part2(input string) int {
disk := []int{}
file_id := 0
for i := 0; i <= len(input); i++ {
for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
disk = append(disk, file_id)
}
i++
if i < len(input) {
for x := 0; x < utils.MustAtoi(string(input[i])); x++ {
disk = append(disk, -1)
}
}
file_id++
}
printDisk(disk)
for i:=len(disk)-1;i>0;i--{
size := 0
if disk[i] != -1 {
id := disk[i]
for {
if i-size > 0 && disk[i-size] == id {
size++
} else {
break
}
}
free := 0
j := 0
found := false
for ;j<i && free < size;j++{
if disk[j] != -1 {
free = 0
continue
}
free++
if free == size { found = true }
}
if found {
for k:=0;k<size;k++ {
disk[i-k] = -1
disk[j-size+k] = id
}
// printDisk(disk)
}
i -= (size -1)
}
}
printDisk(disk)
checksum := 0
for i:=0;i<len(disk);i++ {
if disk[i] != -1 {
checksum += i * disk[i]
}
}
return checksum}
func printDisk(disk []int) {
for _, x := range disk {
if x == -1 {fmt.Print(".")} else {
fmt.Printf("%d", x)
}
}
fmt.Print("\n")
}

View File

@@ -0,0 +1,17 @@
package day09
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1("2333133121414131402")
require.Equal(t,1928, r)
}
func TestPart2(t *testing.T) {
r := Part2("2333133121414131402")
require.Equal(t, 2858, r)
}

1
2024/go/day09/input.txt Normal file

File diff suppressed because one or more lines are too long

103
2024/go/day10/day10.go Normal file
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@@ -0,0 +1,103 @@
package day10
import (
"adventofcode2024/utils"
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
)
type Position struct {
height int
summit bool
}
func Part1(input string) int {
score := 0
i := 0
grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
fmt.Println(grid.StringWithFormatter(formatter))
for y := 0; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX(); x++ {
position := grid.Get(x, y)
if position.height != 0 {
continue
}
wipe_summit(grid)
score += getScore(x, y, 0, 0, grid)
fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
i++
}
}
return score
}
func Part2(input string) int {
score := 0
i := 0
grid := inputs.ToGrid2D(input, "\n", "", Position{height: -1}, func(c string) Position { return Position{summit: false, height: utils.MustAtoi(c)} })
fmt.Println(grid.StringWithFormatter(formatter))
for y := 0; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX(); x++ {
position := grid.Get(x, y)
if position.height != 0 {
continue
}
wipe_summit(grid)
score += getScore2(x, y, 0, 0, grid)
fmt.Printf("Trailhead %d (%d,%d) paths: %d\n", i, x, y, score)
i++
}
}
return score
}
func formatter(p Position, x int, y int) string {
return fmt.Sprintf("%v", p.height)
}
func wipe_summit(grid *grid2d.Grid[Position]) {
for y := 0; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX(); x++ {
pos := grid.Get(x, y)
if pos.height == 9 && pos.summit {
pos.summit = false
grid.Set(x, y, pos)
}
}
}
}
func getScore(x, y, level, score int, grid *grid2d.Grid[Position]) int {
directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
for _, dir := range directions {
x1 := x + dir[0]
y1 := y + dir[1]
nposition := grid.Get(x1, y1)
if level == 8 && nposition.height == 9 {
score++
}
if nposition.height != level+1 {
continue
}
score = getScore(x1, y1, nposition.height, score, grid)
}
return score
}
func getScore2(x, y, level, score int, grid *grid2d.Grid[Position]) int {
directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
for _, dir := range directions {
x1 := x + dir[0]
y1 := y + dir[1]
nposition := grid.Get(x1, y1)
if level == 8 && nposition.height == 9 {
score++
}
if nposition.height != level+1 {
continue
}
score = getScore2(x1, y1, nposition.height, score, grid)
}
return score
}

View File

@@ -0,0 +1,31 @@
package day10
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`89010123
78121874
87430965
96549874
45678903
32019012
01329801
10456732`)
require.Equal(t, 36, r)
}
func TestPart2(t *testing.T) {
r := Part2(`89010123
78121874
87430965
96549874
45678903
32019012
01329801
10456732`)
require.Equal(t, 81, r)
}

56
2024/go/day10/input.txt Normal file
View File

@@ -0,0 +1,56 @@
43217654309879876104563234589896761012345656543098901001
34108903212368123233472105676787851299856567832187812652
45677814301457014312986345589876940387765678943046543743
56789325100876525800345276430105432456566589858956769821
65438456912963436901236187621234501223455410767349874430
74321067803451107898547093412012982016764323101210143561
89412210987430210789698892102123673107895214589723652678
78601521856521345678721743089034543212345605679854781789
66789430545678934505430654898745672212236765434765690878
55676545038943213216765989601654981300129870121012345969
46543216127657804389834808762347690456789983498141456452
65454307233456934870126712354878765565210012507230987321
54567898332110125961015645403969234674323215616546576010
65658983021001876854324106912452128789321308723455678901
76543212137892965348933217832141089873410419678964987652
89862901236543501267018363101033210565566566569873788543
89871876544345652106529854892123521454479877654012699830
78100703454278743212434763763014672343287778943210581021
65210212565189858906763212654985785650198961212101432010
54321056876012567875898708783476698763267890303215678321
87012567988703489874345679692676543294986725456574329478
96543498589876530365210189501987650187675216987687610569
01234567651010921234501076401236501010564307678596789876
10389830532329854376542345321545692323403018789455430965
21456721013456765289031234980098783410912129670320121054
92505432565421010109120345671107654567823451061210120123
87615443478302341018750134543234541050765962552121234984
34322342189219650129665234789432132021894873443010965673
45451056077828743234574343276543032134703210523457876532
51069987456943104545987650167898749865612309610765454101
32678678345652210698092156756547056764303458779890363232
43010589232781306787183045876532178965210569888211274321
56923432101090458989254234923421369878934678898302989430
87889211078764567876360143010030450767125986567401276589
96676305669653478985478652102141341458076803456564345676
45435434734522780340349760123456232349883712678178737894
80127821821011091211299854354987101016792103549069016323
92346940910329654304587121267807652345013401232108925412
81055432101458765643671010871018947654324589543987432101
76567789023467010782532346965425638945695678654986540012
05498654110567821891047897212334721032786014345678901098
12387013223489932346156598101549889821012823216765212387
03456323016576542345692367210678710701296954907854323456
12345465437895431016781450123467623654387867878985401501
21089870124326528701670101874345634565676541045621032012
32189210065017019632543210965236730120545632456734548743
43498349876298903545450143050159821321234012349895699654
34567658389101232123469052101567634489234510106786789985
99876501276788943016578769872498105672105621215021058876
87035432365897654107689898763343234321678789334134567655
70129641034781089898791099854232145690569245493254321567
63238701123654178718982387763156056781410126787655010498
54345652321073265001073456012047189872328901098546710327
34568543434589874132569895145438976987437812361239891210
21879654898678013203456701236327805456546521450967890123
30968745467654320112345210987610112345545430567856543234

76
2024/go/day11/day11.go Normal file
View File

@@ -0,0 +1,76 @@
package day11
import (
"adventofcode2024/utils"
"fmt"
"strconv"
"strings"
)
func Part1(input string) int {
stones := strings.Fields(input)
for i := 0; i < 25; i++ {
n_stones := []string{}
for _, stone := range stones {
switch {
case stone == "0":
n_stones = append(n_stones, "1")
case len(stone)%2 == 0:
d1 := strconv.Itoa(utils.MustAtoi(stone[0 : len(stone)/2]))
d2 := strconv.Itoa(utils.MustAtoi(stone[len(stone)/2:]))
n_stones = append(n_stones, d1)
n_stones = append(n_stones, d2)
default:
n_stones = append(n_stones, fmt.Sprintf("%d", utils.MustAtoi(stone)*2024))
}
}
stones = n_stones
}
return len(stones)
}
func Part2(input string) int {
stones := strings.Fields(input)
smap := make(map[string]int)
smap2 := make(map[string]int)
for _, stone := range stones {
smap[stone] = 1
}
for i:=0;i<75;i++ {
for k, v := range smap {
switch {
case k == "0":
smap2["1"] = smap2["1"] + v
case len(k)%2 == 0:
d1 := strconv.Itoa(utils.MustAtoi(k[0 : len(k)/2]))
d2 := strconv.Itoa(utils.MustAtoi(k[len(k)/2:]))
smap2[d1] += v
smap2[d2] += v
default:
k2 := fmt.Sprintf("%d", utils.MustAtoi(k)*2024)
smap2[k2] += v
}
}
smap = CopyMap(smap2)
smap2 = make(map[string]int)
}
count := 0
for _, v := range smap {
count += v
}
return count
}
func CopyMap(original map[string]int) map[string]int {
// Create a new map to hold the copy
copied := make(map[string]int)
// Copy each key-value pair from the original map to the new map
for key, value := range original {
copied[key] = value
}
return copied
}

View File

@@ -0,0 +1,17 @@
package day11
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1("125 17")
require.Equal(t, 55312, r)
}
func TestPart2(t *testing.T) {
r := Part2("125 17")
require.Equal(t, 55312, r)
}

1
2024/go/day11/input.txt Normal file
View File

@@ -0,0 +1 @@
3 386358 86195 85 1267 3752457 0 741

146
2024/go/day12/day12.go Normal file
View File

@@ -0,0 +1,146 @@
package day12
import (
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
)
type Plot struct {
crop string
visited bool
region int
x int
y int
}
type Region struct {
plots []Plot
crop string
id int
area int
perimteter int
sides int
}
func Part1(input string) int {
var val int
region_id := 0
regions := make(map[int]Region)
grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
fmt.Println(grid.StringWithFormatter(formatter))
for y := 0; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX(); x++ {
var region Region
plot := grid.Get(x, y)
if plot.visited {
continue
}
region_id++
region = Region{id: region_id, area: 1, crop: plot.crop, sides: 4}
plot.region = region_id
plot.visited = true
plot.x = x
plot.y = y
grid.Set(x, y, plot)
region.plots = append(region.plots, plot)
regions[region_id] = region
try_neighours(grid, &region, x, y)
regions[region.id] = region
}
}
for _, region := range regions {
val += region.area * region.perimteter
}
return val
}
func Part2(input string) int {
var val int
region_id := 0
regions := make(map[int]Region)
grid := inputs.ToGrid2D(input, "\n", "", Plot{}, func(c string) Plot { return Plot{crop: c, region: -1} })
fmt.Println(grid.StringWithFormatter(formatter))
for y := 0; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX(); x++ {
var region Region
plot := grid.Get(x, y)
if plot.visited {
continue
}
region_id++
region = Region{id: region_id, area: 1, crop: plot.crop}
plot.region = region_id
plot.visited = true
plot.x = x
plot.y = y
grid.Set(x, y, plot)
region.plots = append(region.plots, plot)
regions[region_id] = region
try_neighours(grid, &region, x, y)
regions[region.id] = region
}
}
for _, region := range regions {
val += region.area * get_sides(grid, region)
}
return val
}
func formatter(p Plot, x int, y int) string {
return fmt.Sprintf("%v", p.crop)
}
func try_neighours(grid *grid2d.Grid[Plot], region *Region, x int, y int) {
directions := [][]int{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}
plot := grid.Get(x, y)
perimeters := 0
for _, dir := range directions {
x1 := x + dir[0]
y1 := y + dir[1]
nplot := grid.Get(x1, y1)
if nplot.crop == plot.crop {
if !nplot.visited {
region.area++
nplot.visited = true
nplot.region = plot.region
nplot.x = x1
nplot.y = y1
grid.Set(x1, y1, nplot)
region.plots = append(region.plots, nplot)
try_neighours(grid, region, x1, y1)
}
} else {
perimeters++
}
}
}
func get_sides(grid *grid2d.Grid[Plot], region Region) int {
sides := 0
corners := [][][]int{{{-1, 0}, {0, -1}, {-1, -1}},
{{+1, 0}, {0, -1}, {+1, -1}},
{{-1, 0}, {0, +1}, {-1, +1}},
{{+1, 0}, {0, +1}, {+1, +1}}}
for _, plot := range region.plots {
for _, o_corners := range corners {
c1 := grid.Get(plot.x + o_corners[0][0], plot.y + o_corners[0][1])
c2 := grid.Get(plot.x + o_corners[1][0], plot.y + o_corners[1][1])
c3 := grid.Get(plot.x + o_corners[2][0], plot.y + o_corners[2][1])
if c1.crop != region.crop && c2.crop != region.crop {
sides++
} else if c1.crop == region.crop && c2.crop == region.crop && c3.crop != region.crop {
sides++
}
}
}
return sides
}

View File

@@ -0,0 +1,29 @@
package day12
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`RRRRIICCFF
RRRRIICCCF
VVRRRCCFFF
VVRCCCJFFF
VVVVCJJCFE
VVIVCCJJEE
VVIIICJJEE
MIIIIIJJEE
MIIISIJEEE
MMMISSJEEE`)
require.Equal(t, 1930, r)
}
func TestPart2(t *testing.T) {
r := Part2(`AAAA
BBCD
BBCC
EEEC`)
require.Equal(t, 80, r)
}

140
2024/go/day12/input.txt Normal file
View File

@@ -0,0 +1,140 @@
UUUUUUUUUUUUUUUUUUUDQQQQQQQOOOOOHHSSSSSYYYYYYYYGGGGNNNNNNNNTTTTTTTTTTTTTTDDDDDDDDDDDDDDDDDDNNNCCNJJJJOOHHHDDDDDDDDDDDDDDDDDDXXMBBBBMMCCCCCCC
UUUKUUUUUUUUUUUUUDDDDDDDQQQOOOOOOOOOSSSSSYYYYYYYYGGGGGNNNNTTTTTTTTTTTTTTTTTTTTDDDDDDIIDDDNNNNNCCNJJJOOOHDDDDDDDDDDXDDDDDDDMMMXMMMMMMMMCCCCCC
UUUKKUUUUUUWUUUUUUDDDDDDDDDROOOOOOOWWSSSSYYYYYYYGGGGGGGQNTTTTTTTTTTTTTTTTTTTTTDDDDDDDIDIINNNNLNNNNOOOOODDDDDDDDDDXXDDDDDDDMMMMMMMMMMMMCCCCCC
UUKKUUKKXUUUUUUUUDDDDDDDDDDDDOOOOOOOOYSSSSSYYYYYGGGGGGQQNNTTTTTTTTTTTTTTTTTTTTDDDDDIDIIIINNNNNNNNNNOOOODDDDDDDXDDXXDDDDDDDMMMMMMMMMMMMMMCCCC
UUKKUKKKXXUQQQQUUDDDDDDDDDDDDOOOOOOOOYYYYYYYYYYYGGGGGQQIINTTTTITTTTTTTTTTTTTTTTDDDIIIIIIIINNNNNNNNNOOODDDDDDDDXXXXXXDDDDDMMMMMMMMMMMMFFFFCCC
UKKKKKKKXKAWWWWWDDDDDDDDDDDDDOOOOUUOYYYYYYYYYYYYGGGGQQQQIIDITIIIITTTTTTTTTTTTTDDDDIIIIIIINNNNNNNNLLLLODDDDDDXXXXXXXXDXDDDMMMMMMMMMMMMFFFFCCC
KKKKKKKKKKKWWWWKDPPDDDDDDDWWWOOOOOUUYYYYYYYYYYYYYGRQQQQQIIIIIIIIITTTTTTTTTTTDDDDDDIIIIIIIIINNNNNNNLLLLLDDDDDXXXXXXXXXXDDDDDMMMMMMMMMMFFFCCCC
KKKKKKKKKKWWWWWWDDDDDDDDDSWWWOWOOOOUYYAYYYYYYYYYYYQQQQQIIIIIIIIOIITTTTTTTTTTDDDDIIIIIIIIIIINNNNNLNNNLLLDDDDDDXXXXIXYDDDDDDDMMMMMMMMMMFFFCFCC
KKKKKKKKWWWWWWWWSSDSDDDDDSSWWWWOOOOUYYAYYYYYYYYYYQQQQQQIIIIIIIIIITTTTTTTTTTDDDIIIIIIIIIIIINNNNNNLLLLLLLDDDDDDXXXXIXYDDDQDDDMMMMMMMUMFFFFFFFC
KKKKKKKWWWWWWWWWSSSSDSDSSSSWWWWWOOOUYYYYYYYYYYYYYYQQQQIIIIIIIIIIIIIXXXXXTTTTDIIIIIIIIIIIKINNLNNNLLLLZLLLLDDVDXXXXXYYDDQQDDTMMYYYMMUUUFFFFFCC
KKKKKKKKWWWWWWWWWWSSSSSSSSSSWWWWWWOUYPPPPPYYYYYYQQPQQQQAIIIIIIIIISSXXXXXXXTTDIIIIIIIIIIIIIIILLLLLLLLZZLLLDDDXXXXXXXYYDXXXYMMMYYYYMPUUFFFFFFC
KKKKKKKKWWWWWWWWWWBBBBSSSSSWWWWWWWSSPPPPWWWWWWAYPPPPQAAAAITTIIIIIXXXXXXXUTTXXXIIIIIIIIIIIIIOLLLLLLLLZZLLLLLLLLXXXXYYXXXXXXXXRPPPPPPPPPFFCCFC
KKKKKKDWWWWWWWWWWWDDBBBSSSSWWWWWWWWSSPPPPWWWWWWWPPPPPAAAAIIIIIIIIXXXXXXXXXDXXIIIIIIIIIIIIIIOLLLLLLLZZZZZZLLLLNXNNXNYYYXXXXXXPPPPPPPPPPFFCCCC
KKKKKKWWWWWWWWWWWWBBBBBBBSSSWWWWWWWSSSSPPWWWWWWWPPPPPAAAAAAIIIIIIIXXUUUUUUXXXXIIIIIIIIIIIIIILLLLLLLZZZZZZZLLLNNNNNNYYYXXXXXXPPPPPPPPPPCFCCCC
KTKQQKWWWWWWWWWWBWBBBBBBBSBSWWWWWSSSSSPPPWWWWWWWWPPPPPPAAFAIIYYYUUUUUUUUUUUXXXQQQIIIXXXXXXXXXXLLLLLZZZZZZZZZLNNNNNNYYXXXXXXXPPPPPPPPPPCCCCCC
QQKAQQWWWWWWWWWWBWBBBBBBBBBSWWWSSSSSSSSPPWWWWWWWPPPPPPPPPPYYYYYYUUUUUUUUUUUQXQQQQQQIXXXXXXXXXXLZLLEZZZZZZZZZLNNPNNNYYXXXXXPXPPPPPPPPPPPCCCCC
QQQQQQQWWWWWWWWWBBBBBBBBBBVWWWDDSSSSSSSSSPWWWPPPPPPPPPPPPPYYYYYYUUUUUUUUUUUUUUUUQQIIXXXXXXXXXXLZZZZZZZZZZZZLLUUUUUUUUXXXXXPPPPPPPPPPPPCCCCCC
QQQQQQQQWWWWWWWWBBBBMMMBBBMWWWDSSSSSSSSSSPPPPPPPPPPPPPPPYYYYYYYBYYXXXXXUUUUUUUUUOIIIIZZZZZLLLZZZZZZZZZZZZZZZZIIIIUUUUUXPPXPPPPPPPPPPYYCCCCCC
QQQQQQQQQWWZZZWMMMMMMMMMBMMWWDDSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYXXXXXXUUUUUUUUUOOIIIZZZZLLLLLZZZZZFFFFFFFFFHHHIUUUUUPPPPPPPYPPYPPPYYYCCCCCC
QQQQQQLQQQWWZZZMMMMMMMMMMMHHWSSSSSSSSSSSPPPPPPPPPPPPPPYYYYYYYYYYXXXXXXXUUUUUUUUUOIIIIIZLLLLLLZZZZZZFFFFFFFFFHHHIUMUUUPPPPPPPYYYYYYYYYYYCCCYC
QQQQQLLQLLZZZZMMMMMMMMMMMMMMWSSSSSSSSSSSPPPPPPPPPBYPPPYYYYYYYYYYYYXXXXXUUUUUUUUUIIIIIIIILLZZZZZZZZZFFFFFFFFFHHFFFFQUULLPPPPPQYYYYYRYYYYYYYYY
QQQLLLLLLLLZZZMMMMMMMMMMMMMMNMSSSSSSSSSSVVPPPPPPBBYYYYYYYYYYYYYYYYYXXXXUUUUUUUUUOIIIIILLLLZZZZZZZZZFFFFFFFFFFFFFFFFUUMMPPPPPYYYYYYYYYYYYYYAA
QQQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSSSVVPPPBBBBBBYYYGGGGGGGGGYYYYYYYYUUUUUUUUUIIIIILLLLZZZZZZZZZZFFFFFFFFFFFFFFFFMMMOPPPPGYYYYYYYYYYYYYYYA
QQLLLLLLLLZZZZMMMMMMMMMMMMMMMSSSSSSSSRRSVVVVVVBBBBBYYYGGGGGGGGGYYYYYYYXUUUUUUUUUIIIIILLLLLZZZZZZZZZZZHHZZHHFFFFFFFFMMMMMPPPYYYYYYYYYYYYYYYYY
QQLLLLLLLLLZZZMMMMMMMMMMMMMMMSSSSSSRRRRSVVVVVBBBBBBBYYGGGGGGGGGYYYYYYEEUUUUUUUUUIIIIILLLLLBZZZZZZZZZZHHHHHHFFFFFFFFMMMMMMPIIYYYYYYYYYYYYYYYY
QQQLLLLLLZZZZZZMMMMMMMMMMMMMFSSSSSSRRRRRRVVVVVVVVBBYGGGGGGGGGGGYYXYYYEEEEEEEEEEEIEIILLLLLLZZZZZZZZZZZZHHHHHFFFFFFFFMMMMMMPPIIYYYYYYYYYUUYYYU
QQQQQQGLLLLPPPMMMMMMMMMMMMMMMSRSSSRRRRRRVVVVVVVVBBBQGGGGGGGGGGGGGGYXXXEEEEEEEEEEEEELLLLLHZZZZZZZZZZZXZHHHHHFFFFFFFFMMMMIIIIIYYYYYYYYYYUUUUYU
QQQQQQQQQLKPPPPIIMMMMMMMMMUUUURRSRRRURRRVVVVVVVVVBQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJEELLLHHHHHHHHHZZDDZZZHHHHHFFFFFFFFQMMMQQIIIIYUUUUYYYYUUUUUU
JJQQQTQQQKKKPPPPPQQMUUMUUUUUURRRSRUUURRRUUUVVVUVVVQQGGGGGGGGGGGGGGXXXXXEEEEEEEEEJJJLLHHTTHHHHHHYYYDDDZHHHHHFFFFFFFFQMMMQQQQQUUUUUUUUUUUUUUUU
JJJJQTTQKKKPPPPPPQQQUUUUUUUCURRRRRRUUURRUUUVUUUUVVQQGGGGGGGGGGGGGGXXXXZEEEEEEEEEJJJJJHTTTTHHHHHHYDDDDHHHHHHMMQQQHQQQQMQQQQQUUUUUUUUUUUUUUUUU
JJJJJTTTPKKPPPPPPPQUUUUUUUUUUURRRRRRUUUUUUUVUUUUUVVQGGGGGGGGGGGGGGXXXXZEZZZZEEEJJJJJTTTTTTTTHHHHYYYMMHHHMHHMMMQQQQQQQQQQQQQUUUUUUUUUUUVUUUUU
JJJJJTTPPPPPPPPPPPPUUUUUUUUUURRRRRRUUUUUUUUUUUUUUVVUGGGGGGGGGGGGGGXXRRZZZZZZEEDDDJJTTTTTTTTHHHHHYMMMMHMHMMMMMMMQLLLQLQQQQQQUUUUUUUUUVUVVUUUU
JJJJJJJPPPPPPPPPPPUUUUUUUUUUURRRRPRRRUUUUUUUUUUUUVVUGGGGGGGGGGGGGGZRRRRRRRDDDDDDDJJJZTTTTTTTHHYYYYMMMMMHHMMMMMLLLLLLLLQQSQQSSUUUUBBBVVVVVUUU
JJJJJBBPPPPPPPPPPPUUUUUUUUUUUURRRPPCCUUUUUUUUUUUUUUUGGGGGGGGGGGGZZRRRRRRRBDDDDDDDJJJTTTTTTTTYHYYYYYYUMMMHMMMMLLLLLLLLLLLSSSSUUUUBVVVVVVZVUUU
JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURRPPPCCGUUUUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRYDDDDDDJJTTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLSSSSSSUUUBVVVVVVVVVUU
JJJJBBBBPPPPPPPPPPUUUUUUUUUUUURUPPPCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDJTTTTTTTTYYYYYYYYYMMMMMMMMMMMLLLLLLLLSSSSSSSSSEEEEVVVVVVVU
JJJJBBBBQQQPPPPPPPUUUUUUUUUUUUUUPPCCCCCCCUUUUUUUUUUUUGGGGGGGGGGGZZZRRRRRRRRRRRRDDDTTTTTTTTTTYYYYYYYOYMMMMMMMMMMMMMLLLLLLSSSSSSEEUEEEVEEVQQVQ
JJJJJBBBBQQQPPPPUUUUUUUUUUUUUUPPPPCCCCCCCCCFFUUUUUUUQGGGGGGEEKKKKZZRRRRRRRRRDDDDHDTTTTTTTTTTTTYYYYYYYMMMMMMMMMMMMMMMSSSSSSSSSSEEEEEEEEQQQQQQ
JJJJBBBBBQQQQQPPUHHWUUUUUUUUUUPPPPCCCCCCCCCFFUUEUUMUQGGGGGGEEEKKKZRRRRRRRRRRRHDDHDDDTTBTTTTTTTYYYYYYYYMMMMMMMMMMMMSSSSSSSSSSSEEEEEEEEEEQQQQQ
JJHBBBBBQQQQQPPPPHHWWUUUUUUUUPPPPPCCCCCCCCCCAUUEUUUUQGGGGGGEKKKKPRRRRRRRRRRRRHHHHHDTTTTTNTTTTTTTXYYAAYYMMMMMMMMMMMGGSGGGOOOSOOOEEEEEEEEEQQQQ
JHHHBBBBQQQQQPPPPHHWWUUUWWWUPPPPPPPPCCCCCCAAAAAEEEUUUGGGGGGCKKKKKKKRRRRRRRRRRHHHHHDTWWTTNNNTTTXXXYAAAAMMMMMMMMMMMGGGGGGJOOOOOOEEEEEEEEEEQQQE
HHHHBBBUQQQQQPPPPWHWWWUWWWWUPPPPPPPPPPCCCCAAAAAEEEEEEGGGGGGCKKKKKKKRRRRRRRRRGGHHHHHHWWNNNNNNTXXXXXXAAAAAMMMMMMMMGGGGGGJJOOOOOOEEEEEEEEEEEQEE
HHHHHBBBBQQQPPPPWWWWWWWWWWWWWPPPPPPPPPCCCAAAAAEEEEEECCCCCCCCKKKUKKRRRRRRRRRRRGHHHHHWWDDDNNNNTTXNNNNVAAAAAMWMMMMMGGGGGGJJOOOODEEEEEEEEEEEEEEE
HHHHHHHHUQQUPPPPWWBWWWWWWWWWWPPPPPPPPPCCAAAAAAAEEEEECCCCCCCCCKKKKRRRRRRRREKKKKKDHHHWDDDDNNNNNNNNNNNNNAAAAAMMMMPMMEGGGEOOOOOOEEEEEEEEEEEEEEEE
HHHHUHHHUQQUUPPPSUUWWWWWWWWWWPPPPPPPPPPCJPBAATTTTTEEEERRCCCCRRKKKKRRRRRRRRKKKKKKNHHWDDDDDNNNNNNNNFFNNAAAAAAAAMPMEEGGGEOOOOOOVVVEEEEEEEEEEEEE
HHHHUUUUUUUUUUVVUUWWWWWWWWWWWPPPPPPPPPPPPPAATTTTTTEEEERRUCCCCRKKKKKKRRRKKKKKKDDJDDDWDDDDDNNNNNNNNNNNAAAAAAAAAMMAEEEGGEEOOOOOOVVSESSSSEEEEEEE
HHHHHUUUUUUUUUUUUUWWWWWWWWWWWPPPPPLTTPPPPPPTTTTTTTTTEERRRCCCCRRKKKKKRRKKKKKKKDDDDDDDDDDDDDDNNNNNNNNNAAAAAAAAMMAAEEEEGEEEEEOOVVSSSSSSSEEEEEEE
HHHHHHHHHUUUUUUUUUWWWWWWWWWWLLLLLLLTTPPPPPPTTTTTTTTTEERRPCERRRRRKKKKKKKKKKKMKLDDDEDDDBBBBBBBNNNNNNNNNAAAAAAAAAAAAAEEEEEEEEOOVVSSSSSSSSSSEGGE
HHHHHHHUUUUUUUUUXUWWWWWWWWWWLLLLLLLTTTPPPTTTTTTTTTTTERRRRRRRRRRRRKKKKKKKKMKMLLLDDDDDDBBBBBBBNNNNNNANAAAAAAAAAAAAAAEEEEEEEEEESSFSSSSSSSSSESGG
HHHHHHHUUUUUUUUXXXXWWWWWWLLLLLLLLLTTTTTTTTQTTTTTTTTTTRRRRRRRRRRRKKMMKKKKKMMMMMLLDDDDDBBBBBBBNNNNNNNAAAAAAAAAAAAAAAKKEEEEEEEESSSSSSSSSSSSSSGG
HHHHHUUUUUUUUUUXXXXXWWWXLLLLLLLLLLTTTTTQQQQTTTTTTTTTTTRRRRRRRRRRRKMMMKKKKMMMMMMDDDDDDBBBBBBBNNNNNNNNNAAAAAAAAAKKKKKKEEEEEEEEESSSSSSSSSQSNQGG
HHHKKUUUUKUUUWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQTQQQTTTTTTRRRRRRRRRRRRMMMMKKKKMMMMMMDDDDDDBBBBBBBDNNNNNNNBBBBBBBAAAAKKKKKKKEEEEEEEESSSSSSSSQQQQGG
HHHHKKLKAKKUWWWXXXXXXXXXLLLLLLLLLLQQQTTQQHQQQQTTTTTTTRRRRRRRRRRRRMMMMMKMMMMMMMMQQDDDDBBBBBBBNNNNNNNNBBBBBBBAAAAKKKKKKEEEEEEEESSSSSSSSSQGQQGG
HHHHHKKKKKKUWWWWWXXXXXXXXLLLLLLLLLQVQQQQQQQQQQQTTTTTRRRRRRRRRRRNNMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBNABBBBBBBAAAAKKKKKKEEEEEENEESSSSSSQSQQQQGQ
HHHHKKKKKKKRWWWWWWXXXXXXXLLLLLLIILIQQQQQQQQQQQQQTTTTRRRRRRRRRRRNMMMMMMMMMMMMMMMQQZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAKKKKKKEEEENNNNSSSSSSSQQQQQQQQ
HMHHKKKKKKKRWWWWWXXXXXXXXLLLLLLIIIIQQQQQQQQQQQQQTTTRRRGRRRRRRRRNMMMMMMMMMMMMMMZQZZDDDBBBBBBBBBBBBBBBBBBBBBBAAAAAAKKKKEEENNNNNSSSNSSSQQQQQQQQ
MMKKKKKKKKKWWWWWWXXXXXXXXLLLLLLLLIIIQQQQQQQQQQQQQQTRRRRKKRRRRRNNMMMMMMMMMMMMBBZZZZZZDBBBBBBBBBBBBBBBBBBBBBBAAIIAKKKKKKKENNNNNNNSNSSUUQQQQQQQ
NMMMMKKKKKKWWWWWWWXXXXXLLLLLLLLLLLLIIQQQQQQQQQQQQEEERRIIKRRRRNNNMMMMMMMMMMMMMBZZZZZZZBBBBBBBBBBBBBBBBBBBBBBNIIIKKKKKKKKKKNNNNNNNNSUUQVQQQQQQ
MMMKKKKKKKKWWWWWWXXXXXXXXRRRRJXXXLIIQQAQQQQQQQQQQEEEEEIIIIINNNNNNMMMMMMMMMMMBBZZZZZZZDSSBBBBBBBBBBBBBBBNNNEEIIIKKKKKIKKNNNNNNNNNNNQQQQQQQQQQ
MFMIFFKKKKKKWWWWWWXXXXXXRRRRJJJXXQQQQQQQQQQQQQQQQEEEEEEEIINNNNNNNNNNMMMMMMMBBBBBZZZZZDZZBBBBBBBBBBBBBBBNNNIIIIIKKKIKIINNNNNNNNNNNQQQQQQQQQQQ
FFBIFFFKKKKKWWWWWWXXXXXXWWRRRJJXXXXQQQQQQQQQQQQQQEEEEEIIIINNNNNNNNNNNMMMMMMMBBBCBZZZZZZZBBBBBBBBBBBNNNNNNIIIIIIIIIIIIINNNNNNNNNNNNNQQQQQQQQQ
FFBBBFFFFKKKYWWWXXXXXXVWWWRRRJXXXXXXXQQQQIQQQUQQUUEUEEIIIIIIINNINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBIINNNNIIIIIIIIIIIIIIINNNNNNNNNNNNNHQQQQQQ
FBBBBFFFFFFFFWWWXXXXXXXWWWRWWXXXXXXDDPPPQQUUUUUQUUUUIIIIIIIIIIIINNNNMMMMMBBBBBBBBBZZZZZZZZBBBBBBBBBINNNNNIIIEIIIIIIIIIIIINNNNNWNNNNNNHQZQQQQ
BBBBBFFFFFFFEEEQXXXXXXXXWWWWWXWXXXXDDPPZZUUUUUUUUUUUIIIIIIIIIIIINNNNNNMBBBBBBBBBBBBZZZZZZZBBBBBBBBBIIIIEEEEEEIIIIIIIIIIIWWWWWUWWNWNNNNQZZDDD
BBBBBFFFFFEEEEEQXNNXXXWWWWWWWWWWXDDDDQQUUUUUUUUUUUHBIIIIIIIIIIIBNNNNNNBBBBBBBBBBBBZZZZZZZZBBBBBBBBBIIIIIEEEEEIIIIIIIIIIIWWWWUWWWWWNNNNNZDDDD
BBBBBBFFFFFEEEEEENNNNWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBIIIIIIIIIIIBNNNNNBBBBBBBBBBBBDBBZZZZZZBBBBBBBBBIIIIEEEEEEEEEIIIIIIIWWWWWWWWWWWNNNZZZDDDD
BBBBBBBEFFFEEEEEENENNNWWWWXXXXXXXXXXDDDDDDDDUUUUBBBBBIIIIIIIILBBBNBNNNNBBBBBBBBBBBBZZZZZZZBBBBBIIIIIIEEEEEEEEEEEIIIIIIIWWWWWWWWWWWZZZZZZDDDD
BBBBBBEEEYEEEEEELEEENNWWWWXXXXXXXXXXDDDDDDUUUUUUUBBBBIIIIIIIIIBBBBBBBBBBBBBBBBBBBBBBZZZZZZHHHUUUIIIIIENEEEEEEEEEIIIIMMMWWWWWWWWWWWZZZZZZZZDD
BBBBBBBEEEEEEEEEEEEENWWWWWXXXXXXXXXXDDDDDDDUUUUUUBBBBIIIIIEIIBBBBBBBTTBBBBBBBBBBBBBZZZZZZZHUUUUUUUIIEEEEEEEEEEEEEMMMMMMMWWWWXXXXXWZZIJZZZZDZ
BBBBBBBBBEEEEEEEEEEEELXXXXXXXXXXXXXXDDDDDDUUUUUUUBTUBIIIIIIIBBBBBBBBTBBBBBBBBBBBBBZZZZZZZZUUUUUUUUIIIELEEEEEEEEEEMMMLWWMWXXXXXXXXXZIIIIIZZDZ
BBBBBBBBBEEEEEEEEEEEEEXXXXXXXXXXXXXXDRRDZAUUUUUUUUUUUNNNNIMBBBBBBBBBBBBBBBBBBBBOOBZZZZZZZZZUUUUUUUUUEEEEEEEEEEEEEMMMLLWWWXXXXXXXXXZIIPIZZZZZ
BBBBBBBBBBEEEEEEEEEEEWXXXXXXXXXXXXXXDRRDAAAUUUUUUUUMMMNMNNMBBBBBBBBBBBRNBBBBBVNOZZZZZZZZUUUUUUUUUUUUUEEEEEEEELELLMMLLLWWWXXXXXXXXXZIIIIIIZZZ
BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAARAUUUUUUUMMMMMMMMBBBBBBBBBBBRNNBBNNNNOOZZZNNZUUUUUUUUUUUUUUUUEEEEEELLLLMLLLLWWWXXXXXXXXXZIIIIIIZZZ
BBBBBBLLLLLLEEEEEEEEEEXXXXXXXXXXXXXXWVVAAAAAAUUUUUUMMMMMMMMBBBBBBBBBBRRNNNNNNNNOONZZNNZUUUUUUUUUUUUUZEEEEEEEELLLLLLLLVWWWXXXXXXXXXIIIIIIIIIZ
BBBBBBLLLLLLLLXXEEEVEKXXXXXXXXXXXXXXWVVVVVVAAAAUUUUMMMMMMMMBBMBBBBBBBBRNNNNNNNNNNNNNNUUUUUUUUUUUUUUUEEEEEEEEELLLLLLLLLLLWXXXXXXXXXIIIJZZZZZZ
BBBBBBLLLLLLLGLLEEEEEKXXXXXZZZZZZZWWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBNNNNNNNNNNINNNNUUUUUUUUUUUUUUJEEEEEEEELLLLLLLLLLLWWXXXXXXXXXJJJJJJJZZZ
BBBBBBLLLLLLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVUUUUUMMMMMMMMMMMMBBBBBBBBBNNNNNNNNNNNNNNUUUUUUUUUUUUVVICCELEEEELLLLLLLLLLDDWXXXXXXXXXWWJJJJZZZZ
BLLLLLLLOOOLLLLLLLLLLLXXXXXXXXXXXXXWVVVVVVVVVVURRUFRMMMMMMMMMBBBBBBBBNNNNNNVKKNNNNNNNNNNNUUUUIVVVVVICCCEEEEELLLLLLLLLDDDDXXXXXXXXXJJJJJJJZZZ
BLLLLLLLOOOLLLLLLLLLLLCZZZXXXXXXXXXZVVVVVVVVVVRRRRRRRRMMMMMMMIIIBBBBBBBBVVVVVKYNNNNNNNNNNNUIIIIVVVIIIIEEEEELLLLLLLLLLDDDDDDXXXJJJJJJJJJJJZZZ
BLLLLLLLOOOLLLLLLLLLLLLLZZXXXXXXXXXZVVVVVVVVVRRRRRRRRRRRTTTIIIIIIIBBBYYVFVVVVVYYNNNNNNNINNNIIIIVVIIIIEEEEEEEELVLLLLGLLDDDDDXXXJJJJJJJJJJJJJZ
LLLLLLLLOOOLLLLLLLLLLLLNZZXXXXXXXXXZVVVVVVVVRRRRRRRRRRRRRRRNIIIIIBBBBYYVVVVVYYYYYYNNNNNIIIBIIIIVIIIIIBEEEDDKELVVDLLLLDDDDDDDDDJJJJJJJJJJJJJZ
LLLLLLLLOOOLLLLLLLLLLALNZZXXXXXXXXXZVVVVVVVVKRRRRRRRRRRRRRRRRIIIIBBBBBYYYYVVYYYYYYNNNIIDIIIIIIIIIIIIIIDREDVDEVVVDLLDLDDDDDDDDJJJJJJJJJJJJJJJ
LLLLLLLLOOOLLLLBBBLLAAZZZZZZZZZZZZZMVVVVVVVRRRRRRRRRRRRRRXRRIIIIIIIIBYYYYYVVYYYYYYNNNIIIIIIIIIIIIIIIIIDDDDDDDVVDDDDDDDDDDDQDDDJJJJJJJJJJTJJC
LLLLLLLLOOOLLLBBBBLLLAAAAAMZZZZMZZMMMVVVVVVRCCCRRRRRRRRRRRRRIIIIIKKYYYYYYYYYYYYYYYYYNNIIIIIIIIIIIIIIIIDDDDDDDVDDDDDDDDDDDQQDDDJJJJJJJJJTTTJC
LLLLLLLLOOOLLLLBBBLQLAAAAAMMMZZMZMMMVVVVVVVRCCCCCRRRRRRIIIRRRIIIIKKYYYYYYYYYYYYYYYYYYIIIIIIIIIIIIIIISIDDDDDDDVVDDDDDDDDDQQQDQQGJJJJJJJJGGGCC
LLLLLLLLOOOLLLBBBBBBAAAAAAMMMMMMMMMMMVVVVVVCCCCCCRRRRRRIIIIIIIIIIIKYYYYYYYYYYYYYYYOOOIIIIIIIIIIIIIIIGIDDDDDDDDDDDDWWQQQQQQQQQQGJTJJWWWWGGGCC
LLLLLLLLOOOLLLBBBBBBAAAAAAAMMMMMMMMMXXVVVVVCCCCCCCEEERJJJIIIIIIIIKKKKYYYYYYYYYYIIIIIIIIIIIIIIIIIIIIGGGDDDDDDDDDDIWWGQQQQQQQQTTJJTTGGGGWGGGGC
TLLLLLLLLLLLLLBBBBBBBAAAAAAMMMMMMMMXXXVVXVVCCCCCCCEEEEAAAAAIIIIIIKKKKYYYYYYYYYYIIIIIIIGIIIIIIIIIIFGGGGDDDDDDDSDWWWGGQQQQQQQQTTTTTGGGGGGGGCCC
TLLLLLLLLLLLLLCBBBBBBBACAAAMMMMMMMMXXXXXXXCCCCCCCCEEECAUUUUUUIIIIKKKYYYYYYYYYIIIIIIIIIGIIIIIIFFFFFGGGGDDDDDDSSSSWWWGGQQQQQQQTTTTGGGGGGGGGCCC
ZLLLLLLEELLLLLBBBBBBBUCCCMMMMMMMMMMMXXXXXCCCCIIIIIIIIIIUUUUUUHIIKKKKYYYYYYYYYYGXIIIIIIGIIIIIIGGFFFGGGGGDDDDDSSSSSGGGGGQQQQQTTTTGGGGGGGGCCCCC
ZZLLLZZLLLLLLLBBBSBBBBBCMMMMMMMMMMXXXXXXXXCCCIIIIIIIIIIUUUUUUHIIIIKKJYYYYYYYYGGGIIIIIGGGGIIIQGGFGGGGGGGSSSSSSSSSSSSGGQQQQQTTQTTTTGGGGGGCCCCC
ZZZEZZZZZLLRLLCCKCBBCCCCMMMMMMMMMMMXXXXXXXCCCIIIIIIIIIIUUUUUUHHHIIKKJYYYGGAGGGGGGFGIWGGGGIIGGGGGSSSSSSSSSSSSSSSSSSGGGQQQQQQQQQTTGGGGGGGCCCCC
ZZZZZZZZZZLLLLSCCCCCCCCCCMNNMMMMMEEXXXXXXXXCCIIIIIIIIIIUUUUUUHQHHHJJJJJYGGGGGGGGGFGGGGGGGGGGGGGGSSSSSSSSSSSSSSSSSWWWGWQQQQQQQQQTGGGGGGCCCCCC
ZZZZZZZZSSLLLSSSCCCCCCCCMMNMMMMMMMMXXXXXXCCCTIIIIIIIIIIUUUUUUHQHHJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSSSSSSWWWWWWWWWQWQQQQWQTTGGGGGGGGCCCC
ZZZZZZZZSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXCXXCIIIIIIIIIIQQQQQQQQQAJJJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGGGGSSSSSSSSWWWWWWWWWWQWWWQQGGGGGGGGGCCCC
ZZZZZZZSSSSSSSSSSCCCCCMMMMMMMMMMMMMXXXXXXXXXXIIIIIIIIIIIIQQQQQQAAEAJJJJJJJGGGGGGGGGGGGGGGGGGGGGGGGGGDDDSSSSSSSSWWWWWWWWWWWWQQQQQGOGGGGGGCCQC
ZZZZZZZZSTTTSSSSSCCCCCCCMMMMMMMMMMXXXXXXXXXXXXXWWIIIWAIIIQQAPQQAAAAAJJJJGGGGGGMGGGGGGGGGGGGGGGGGGGGGDDDDSSSSSSSAWHWHWWWWWWWQQQQQGGGQQGGGGCQQ
ZZZZZZZZZTTTSSSTSSCCHCCMMMMMMEMMMAXXXXXXXXXXXXWWWIIIIIIIIIAAPPPAAAAAJJJMGGGGGGMMMGGGGGGGGGBBGGGEGGGGDDBDSSSSSSSHHHHHWWWWYWWQQQQQQQQQQQQGQQQQ
ZZZZZZZOZTTTTTTTTSCCHCHMMMEEEEEMAAXXXXXXXXXXXXWIIIIIIIIIIIAUAPAAAAAAJJJMGGGMMGMMMGGGGGGGGGGGGGEEGGGGSSSSSSSSSSSHHHHHWWWYYQQQQQQQQQQQQQQQQQQX
ZZZZZZZOZZTTTTTTTTTHHHHHMEEEEEEEEAAXXGXJXXXXXXWIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHWHHHHQQQQQQQQQQQQQQQQQ
ZZZZZOOOTTTTTTTTTTTTTTEHEEEEEEEEAAXXXXXJXCXXXIIIIIIIIIIIIIAAAAAAAAAAMMMMMMMMMMMMGGGGGGGGGGGGGWEEEEEESSSSSSSSSSSHHHHHHHHHHHHQQQQQQQQQQQQQQQQQ
ZZZZZOOOTTTTTTTTTTTTTTEEEEEEEEEEEAXXAAAJACCCCIIIIIIIIIIIIIAAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGGGGEEEEEEESSSSSSSSSSSHHHHHHHHHHHHQKKQQQQQQQQQQQQQQ
OOOOOOOOOOTTTTTTTTTTTUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIFAAAAAAAAAAAMMMMMMMMMMMGGGGGGUGGGEGEEEEEEESSSSSSSSHHHHHHHHHHHHHHHHKKKKQQQQQQQQQQQQ
OOOOOOOOOOTTTTTTTTTTUUUESSSSSSSEAAAAAAAAACCCCIIIIIIIIIIIIIAAAAAAAAAAAMMMMMMMMMMMMMGGGGGGGEEEEEEEEEEESSSSSSSSXXHHHHHHHHHHHHHHKKKQQQQQQQQHQQQQ
OOOOOOOOOOOTTTTTTTTTCCCESSSSSSSZEAAAAAAAEEECCSIIIIIIIIIISSAAAAAAAAAAMMMMMMMMMMMMMMGGGGOOEEEEEEEEEEEESSSSSSSSXXXHHHHHHHHHQHHHHKNPPIQQQQQHQHHH
OOOOOOOOOOTTTTTTTTTTCCCCSSSSSSSEEEAAAACEEEESSSIIIIIIIIIISSAAAMMAAAAAMMMMMMMMMMMMMMXXGGJEEEEEEEEEEEXBSSSSSSSSXXXXHHHHHHHQQHHKKKNNPIIIQIIHHHHH
OOOYYYYYOOTTTTTTTTTTBCCCSSSSSSSEHHHAAAEEEEESSSIIIIIIIIIITGGAMMMAAAMMMMMMMMMMMMVVVMXXXJJJJEEEEEEEEEXXSSSSSSSSXXXXXHHHHHHHHHKKKKKNNIIIIIIHHHHH
OOYYYYYYOTTTTTTTTTUTCCCCSSSSSSSEHHHAAAEEEEEESSIIIIIIIIIITGGAMMMAAAAAMDMMMMMMMMVVXXXXXJJJJEEEEERRREXXSSSSSSSSXXXXXHHTHTKKHHKKKKKNNTIIIIIHHHHH
OOYYYYYYOYTTTTTTTCUCCCCCSSSSSSSYYHIIIIIEEEEESSIIIIIIIIIITTTTMMMMAAADDDDMMMMMMMVVVVXXXJJJJJEEEERRRXXXBBBXXXXXXXXXHHHTTTTKKKKKKKNNNTIIIIIIHHHH
YYYYYYYYYYTTTTTTTCCCCCCCSSSSSSSYYHIIIIIIEEEEESSSSSSSSSTTTTTJTYYYAADDDDDDVVMVVVVVVVJJJJJJJJEEEEERRXXXBBXXXXXXXXXXGGGTTTTTKKKNNNNNIIIIIIIIIHHH
YYYYYYYYYYYYTTTYYYCCCCCCSSSSSSSSSPIIIIIEEEEEESSSSSSSTSTTTTTTTTYYYADDDDDDVVVVVVVVVVJJJJJJJJEEEERRRXXXXXXXXXXXVXVVVVGTTTUTKNNNNNNNIIIIIIIIIHHH
YYYYYYYYIIYYYYYYYCCCCCCCCCSSSSSSSIIIIIIIEEEEEEESSSSSTTTTTTTTTTTYYYDDDDDDVVVVVVVVVVVVVJJJJJEEERRRRRRXXXXXXXXXVVVVVGGTTTTMNNNNNNNNIIIIIIIIIHHH
YYYYYYYYHHHHHHYYYYCCCCCCCCSSSSSSSIIIIIIEEEEESESSSSSSTJTTTTTTTTYYYYYDDDDDDVVVVVVVVVVJJJJJJJEEERRRRRRRRXXXXXXXVVVVVVVVATTNNNNNNNNNIIIIIIIIHHHH
YYYYYYYYYHHHHHHYYYCCCCCCCCSSSSSSSIIIIIGEEEEESSSSSSSSSYTTYTYYYYYYYYYDDDDDDDDVVVVVVVVJVVVVJEEERRRRRRRRRXRRXXXXVVVVVVVVAAAANNNNNNNNNIIIIIIIIHHH
YYYYYYYDYHHHHHYYYYCCCCCCCCSSSSSSSIIIGGGEEEEEESSSSSSSSYYYYYYYYYDDDYYYDDDDSDDDVVVVVVVVVVVVVEEERRRRRRRRRRRRXXXXVVVVVVVVAAAANNNNNNNNNNIIIIUUIIHH
YYYYYYYYHHHHHYYYYYCCCCCCCCSSSSSSSIIIIIIIPEEEEESSSSSYYYYYYYYYYYDDDDSSDSSSSVVVVVVVVVVVVVVVEEEERRRRRRRRRREEXXXVVNVVVVVVAAAANNNNNNNNNNIIIUUUUUHH
SYSSSSYYHHHHHHYYYYCCCYCHCCSSSSSSSSSSSIHPPEEEEEEESSSYYYYYYYYDDYDDDDSSSSSSSSSVVVVVVVVVVVMMMMMMKMRRRRRRRRTEXXXXTVVVVVVAAAAAANNNNNNNNNNUIUUUUUUH
SYSSSSYYHHHHHHYYYYYYCYIHHCSSSSSSSSSSSHHHHEEEEEESSSSAYYYYYYYDDDDDDDFSSSSSSSSSVVVVSVVMMMMMMMMMKMMRRRRRRTTEETTTTTTVVVAAAAAAANNNNNNNNNNUUUUUUUUU
SSSSSSSSSHHHHHYYYYYYYYYHHHHSSSSSSSSSSHHHHEEEEEEAASSSHYYYYYYDDDDDFFFSSSSSSSSSSVVVSVVMMMMMMMMMMMMRTRRRRTTTTTTTTTTVAAAAAAAAANNNNNNNNNNUUUUUUUMU
SSSSSSSHHHHHHHHHYYYYYYYYHHHSSSSHHIIIHHHHEEEEEAAAAASHHHHSYYYDDDFFFFSSSSSSSSSSSSSSSVVMMMMMMMMMMMAATRRRTTTTTTTTTTUVAAAAAAAANNNNNNNNNNNUUUUUUUUF
SSASSSSSSHHHNHHHZZJJYTYHHHHHHHHHHHIIHHHHHHEEEAAAAAAATHXXXYYADDFFFFSSRSSSSSSSSSSSVVVMMMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUNNNNNUNUUUUUUUBBBF
SSASSSSSSHHHHJHZZJJJYYYHHHHHHHHHHHHHHHHHHHGEEAAAAAAAAXXXXYYAAAAAAAASASSSSSSSSSSSSSVVMMMMMMMMMAATTTTTTTTTTTTTTTAAAAAAAAAAUUNNUNUUUUUUUUUBBBBB
SAAAASSSSBHHVJHHJJJJYYHHHHHHHYYHHHHHHHHHHHGAAAAAAAAAAXXXXXYYAAAAAAAAAAASSSSSSSSSVVVMMMMMMMMMMAATTTTDTTTTTTTTTTTAAAAAAAAAUUUUUNUUUUUUUUBBBBBB
SAAAAASBBBBJJJJHJJJJYYHHHHHHYYYYYHHHHHHHHAAAAAAAAAAAAXKXXXIRAAAAAAAAASSSSSGASSSSVVVTMMMMMMMMAAAATTMDTTTTTTTXZTTAAAAAAVAAVVUUUUUXUXUUUUUHHBBH
AAAAAASSSBJJJJJJJJJHHHHHHHHYYYYYYYYYHHHHHAAAAAAAAAAAAXXXNIIRRAAAAAAAAAAAASSAASSSSVTTMSMMMMMMMAAATTMMMMTTTXTXXTXAAAAAAVVVVEUUUUUXXXUUUUUUHHHH
AAAAAJRJJJJJJJJJJJJHHHHHHHYYYYYYYYYYHHHHHAAAAAAAAAAAAJIIIIIRAAAAAAAAAAAAAASAAATSRVTTMMMMMMMXXXAAATPMMMKXXXXXXXXXAAAAAVVVVUUUUUXXXXXXXUUUHHHH
AAAAARRTTJAAJJJJJJJJHHHHHHHYYYYYYYYYHHHAAAAAAAAAAAAAAJIIIIIIIIIAAAAAAAAAAAAAATTTVVTTMMMGMZZXXXXAAMMMMXXXXXXXXXXXAAAVVVVVVUUUUXXXXXXXXXHHHHHH
AAAAARRRJJAJJJJJJJJJHHHUUUUUYYYYYYYYYYEAAAAAAAAAAAAAAAYYIIIIIIIIAAAAAAAAAAAAAATTTTTTWMMMMZZXXXAAAAMMMXXXXXXXXXXXAAAVVVVVVUVVUXXXXXXXXXXHHHHH
AAAAAAARJAAJJJJJJJJJMPPUUUUUYYYYYYYYYYAAAAAAAAAAAAAAAAAAIIIIIIIAAAAAAAAAAAAAAATTTTTWWDDDMXXXXXXXAAAXXXXXXXXXXXXXAAVVVVVVVVVVUXXXXXXXXHHHHHHH
AAAAAARRRAAAJJJJJJJJPPPUUUUUYYYYYYYYYYAANNAAAAAAAAAAAIAIIIIIIIIAAISAIIIAAAATAATWWTWWWWDDXXXXXXXXXXXXXXXXXXXXXKKKAAVVVVVVVVVVUXXXXXXXXHHHHHHH
AAAAAGGRRAAAAAJJPPPJJPPUUUUUYYYYYYYYYYYOOOOROSSAAAIAAIIIIIIIIFIIAIIIIIIAAOOOAATTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKAAKVVVVVVVVVVVTXXXXXIIXXHHHHH
AAAAAGGGRRRAAAAAAPPPPPPPPPYYYYYYYYYYYYOOOOOOOSSSSAGGGGGIIIIIFFIIIIIIIIAAOOOOOOTTWWWWWWWXXXXXXXXXXXXXXXXXXXXXXXKKKKKKVVVVVVVVVVXXXXXXXEXXHHHH
AAAAAGGARAAAAAAPPPPPPPPPPPPPYYYYYYOYYYOOOOOOOSSSSGGGGGIIIIIIIFIIIIIIIIAAOOOOOOOOWWWWWWIIXHXXXXXXXXXXXXXXXXXXXXKVVVVVVVVVVVVVVVXXXXXXXEXXHHHH
AAAAAGGAAAAAAAAPPPPPPPPPPPPPPPYYOOOOOYOOOOOOOOOSSGGGGGGIIIIIIIIIIIIIIIOOOOOOHHHHWWWWWWIIXHXXXXXXXXXLXXXXXXXXXXXZZVVVVVVVVVVVVVVXXXXXXXXXHHHH
AAAGGGAAAAAAAAPPPPPPNNNPPPPPPPPPPOOOOOOOOOOOOOCGGGGGGGGGIIIIIIIIIIIIIIIQIOOOHHHHHWWWWWWIJHHXXXXXXXXXXXXXXXXXXHXZZVVVVVVVVVVVVVVXXXXXYYXXHHHH
GAAGGGGAAAAAAAAAPJJNNNNPNPPPPPPPNOOOOOOOOOOOOOCGGGGGGGGGGGIIIIIIIIIIIIIIIOHHHHHHHWIWIIIIJHHXXXXXXXXXXXXXXXZZXXZZZVVVVVVVVVVVVVVYXYYYYYYYEEHH
GGGGGGGGAAAAAAAAAJJNNNNNNPPPPPPPPOOOOOOOOOOUOOOGGGGGGGGGGINIIIIIIIIIIIIIIIIHHHHHHHIIIIJJJHHXXXXXXJXXXXXXXXXZZZZZVVVVVSSSZVVZVVVYYYYYYEEEEHHH
GGGGGGGGGAAAAAAAAJJNNNNNNPPPPPPPPPPOOOOOOOOUUUGGGGGGGGGGGIIIIIIIIIIIIIIIIHHHHHHHHIIIIIIJJJHXXXXXXXWXXFXXXXZZZZZZVZZVVVVVZZZZZVYYYYEYYEEAEHHH
GGGGGGGGAAAAAAAAAAJNNNNNNNPNPPPPXXXOOOOOOOOOUUGGGGGGGGGGGGIIIIIIIIIIIIHHIIHHHHHHHHHIIIIJJJHXXXXXXXWXFFFXXXXZZZZZZZZZZZVZZZZZZZYYYYEEEEEEHHHH
GGGGGGGGGGGAAAJJJJJNNNNNNNNNPPPXXXXOOXXOOOOOGGGGGGGGGGGGGGGGIIIIIIIIIIIHHHHHHHHHHHHHHHHHHHHHXXXXXXXXXFFFFXXZZZZZZZZZZZZZZZZZZZZZYYEEEEEHHHHH

58
2024/go/day13/day13.go Normal file
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@@ -0,0 +1,58 @@
package day13
import (
"adventofcode2024/utils"
_ "adventofcode2024/utils/grid2d"
_ "adventofcode2024/utils/inputs"
"regexp"
_ "fmt"
"strings"
)
func Part1(input string) int {
val := 0
machines := strings.Split(input, "\n\n")
pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
re := regexp.MustCompile(pattern)
for _, machine := range machines {
matches := re.FindStringSubmatch(machine)
a := utils.MustAtoi(matches[1])
b := utils.MustAtoi(matches[2])
c := utils.MustAtoi(matches[3])
d := utils.MustAtoi(matches[4])
X := utils.MustAtoi(matches[5])
Y := utils.MustAtoi(matches[6])
// fmt.Println(matches)
B := (Y*a - X*b)/(a*d - c*b)
A := (X - c*B)/a
// fmt.Printf("A: %d B: %d\n", A, B)
if (A*a + B*c == X && A*b + B*d == Y) {
val += A*3 + B
}
}
return val
}
func Part2(input string) int {
val := 0
machines := strings.Split(input, "\n\n")
pattern := `Button A: X\+(\d+), Y\+(\d+)\sButton B: X\+(\d+), Y\+(\d+)\sPrize: X=(\d+), Y=(\d+)`
re := regexp.MustCompile(pattern)
for _, machine := range machines {
matches := re.FindStringSubmatch(machine)
a := utils.MustAtoi(matches[1])
b := utils.MustAtoi(matches[2])
c := utils.MustAtoi(matches[3])
d := utils.MustAtoi(matches[4])
X := utils.MustAtoi(matches[5]) + 10000000000000
Y := utils.MustAtoi(matches[6]) + 10000000000000
// fmt.Println(matches)
B := (Y*a - X*b)/(a*d - c*b)
A := (X - c*B)/a
// fmt.Printf("A: %d B: %d\n", A, B)
if (A*a + B*c == X && A*b + B*d == Y) {
val += A*3 + B
}
}
return val
}

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@@ -0,0 +1,45 @@
package day13
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`Button A: X+94, Y+34
Button B: X+22, Y+67
Prize: X=8400, Y=5400
Button A: X+26, Y+66
Button B: X+67, Y+21
Prize: X=12748, Y=12176
Button A: X+17, Y+86
Button B: X+84, Y+37
Prize: X=7870, Y=6450
Button A: X+69, Y+23
Button B: X+27, Y+71
Prize: X=18641, Y=10279`)
require.Equal(t, 480, r)
}
func TestPart2(t *testing.T) {
r := Part2(`Button A: X+94, Y+34
Button B: X+22, Y+67
Prize: X=8400, Y=5400
Button A: X+26, Y+66
Button B: X+67, Y+21
Prize: X=12748, Y=12176
Button A: X+17, Y+86
Button B: X+84, Y+37
Prize: X=7870, Y=6450
Button A: X+69, Y+23
Button B: X+27, Y+71
Prize: X=18641, Y=10279`)
require.Equal(t, 480, r)
}

1279
2024/go/day13/input.txt Normal file

File diff suppressed because it is too large Load Diff

149
2024/go/day14/day14.go Normal file
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@@ -0,0 +1,149 @@
package day14
import (
"adventofcode2024/utils"
grid "adventofcode2024/utils/grid2d"
"fmt"
"regexp"
"strings"
)
type Robot struct {
velocity [2]int
}
const SIZE_X = 101
const SIZE_Y = 103
func Part1(input string) int {
grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
re := regexp.MustCompile(pattern)
lines := strings.Split(input, "\n")
for _, line := range lines {
matches := re.FindStringSubmatch(line)
fmt.Println(matches)
x := utils.MustAtoi(matches[1])
y := utils.MustAtoi(matches[2])
x1 := utils.MustAtoi(matches[3])
y1 := utils.MustAtoi(matches[4])
robots := grid.Get(x, y)
grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
}
fmt.Println(grid.StringWithFormatter(formatter))
ng := ticks(grid, 100)
fmt.Println(ng.StringWithFormatter(formatter))
return get_saftey(ng)
}
func Part2(input string) int {
min_safe := 240096000
min_i := 0
max_safe := 0
max_i := 0
grid := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
pattern := `p=(-?\d+),(-?\d+) v=(-?\d+),(-?\d+)`
re := regexp.MustCompile(pattern)
lines := strings.Split(input, "\n")
for _, line := range lines {
matches := re.FindStringSubmatch(line)
fmt.Println(matches)
x := utils.MustAtoi(matches[1])
y := utils.MustAtoi(matches[2])
x1 := utils.MustAtoi(matches[3])
y1 := utils.MustAtoi(matches[4])
robots := grid.Get(x, y)
grid.Set(x, y, append(robots, Robot{velocity: [2]int{x1, y1}}))
}
fmt.Println(grid.StringWithFormatter(formatter))
max_safe = get_saftey(grid)
for i:=0;i<7380;i++ {
ng := ticks(grid, 1)
safe := get_saftey(ng)
if safe > max_safe {
max_safe = safe
max_i = i
}
if safe < min_safe {
min_safe = safe
min_i = i
}
grid = ng
}
for i:=7380;i<7390;i++{
ng := ticks(grid, 1)
fmt.Println(ng.StringWithFormatter(formatter))
grid = ng
}
fmt.Println(grid.StringWithFormatter(formatter))
fmt.Printf("max_safe: %d max_i: %d min_safe: %d min_i:%d", max_safe, max_i, min_safe, min_i)
return get_saftey(grid)
}
func formatter(robots []Robot, x int, y int) string {
if len(robots) == 0 {
return " "
}
return "*"
}
func ticks(g *grid.Grid[[]Robot], seconds int) *grid.Grid[[]Robot] {
ng := grid.NewGrid(SIZE_X, SIZE_Y, []Robot{})
for y := 0; y < g.SizeY(); y++ {
for x := 0; x < g.SizeX(); x++ {
for _, robot := range g.Get(x, y) {
nx := x + ((robot.velocity[0] * seconds) % SIZE_X)
if nx < 0 {
nx = g.SizeX() + nx
}
if nx >= g.SizeX() {
nx = nx - g.SizeX()
}
ny := y + ((robot.velocity[1] * seconds) % SIZE_Y)
if ny < 0 {
ny = g.SizeY() + ny
}
if ny >= g.SizeY() {
ny = ny - g.SizeY()
}
robots := ng.Get(nx, ny)
ng.Set(nx, ny, append(robots, robot))
}
}
}
return ng
}
func get_saftey(grid *grid.Grid[[]Robot]) int {
robots := 0
val := 1
for y := 0; y < grid.SizeY()/2; y++ {
for x := 0; x < grid.SizeX()/2; x++ {
robots += len(grid.Get(x, y))
}
}
val *= robots
robots = 0
for y := 0; y < grid.SizeY()/2; y++ {
for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
robots += len(grid.Get(x, y))
}
}
val *= robots
robots = 0
for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
for x := grid.SizeX()/2 + 1; x < grid.SizeX(); x++ {
robots += len(grid.Get(x, y))
}
}
val *= robots
robots = 0
for y := grid.SizeY()/2 + 1; y < grid.SizeY(); y++ {
for x := 0; x < grid.SizeX()/2; x++ {
robots += len(grid.Get(x, y))
}
}
val *= robots
return val
}

527
2024/go/day14/day14_test.go Normal file
View File

@@ -0,0 +1,527 @@
package day14
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`p=0,4 v=3,-3
p=6,3 v=-1,-3
p=10,3 v=-1,2
p=2,0 v=2,-1
p=0,0 v=1,3
p=3,0 v=-2,-2
p=7,6 v=-1,-3
p=3,0 v=-1,-2
p=9,3 v=2,3
p=7,3 v=-1,2
p=2,4 v=2,-3
p=9,5 v=-3,-3`)
require.Equal(t, 12, r)
}
func TestPart2(t *testing.T) {
r := Part2(`p=80,75 v=69,72
p=88,10 v=-28,-23
p=79,61 v=79,59
p=37,102 v=92,-43
p=12,22 v=-5,-95
p=60,13 v=-30,-42
p=3,59 v=-96,-88
p=85,33 v=-43,-41
p=44,14 v=63,45
p=6,6 v=-34,-86
p=47,102 v=12,42
p=36,88 v=-88,-93
p=78,27 v=-18,52
p=96,64 v=-62,-34
p=49,99 v=-78,-15
p=57,31 v=-80,21
p=25,57 v=8,-84
p=69,20 v=81,61
p=80,5 v=-11,-30
p=2,35 v=-85,77
p=9,12 v=-4,36
p=37,68 v=12,-69
p=47,88 v=-8,-90
p=72,68 v=59,-86
p=55,38 v=-68,-94
p=60,58 v=41,37
p=76,87 v=-1,-18
p=89,9 v=38,92
p=100,67 v=17,-53
p=83,73 v=80,32
p=77,19 v=-54,-20
p=10,86 v=-65,36
p=13,88 v=-64,-84
p=50,29 v=-17,-29
p=79,38 v=89,-57
p=55,57 v=-68,22
p=71,82 v=-80,52
p=37,83 v=-68,-43
p=25,5 v=81,-22
p=83,54 v=-32,-75
p=27,95 v=-77,-55
p=70,97 v=-72,-4
p=3,84 v=-60,-60
p=16,29 v=-35,99
p=39,39 v=37,-38
p=76,94 v=90,60
p=18,21 v=-86,-26
p=22,84 v=-16,66
p=45,83 v=-40,-43
p=35,52 v=54,3
p=30,21 v=14,36
p=69,61 v=69,-66
p=52,22 v=-28,33
p=9,21 v=-85,-73
p=87,32 v=79,52
p=28,85 v=-35,85
p=32,58 v=-49,89
p=22,75 v=85,44
p=45,19 v=-88,61
p=97,59 v=98,-75
p=70,81 v=82,7
p=97,102 v=-23,-8
p=92,68 v=89,72
p=24,42 v=-63,-97
p=21,64 v=-45,-47
p=58,3 v=-69,51
p=33,68 v=19,-20
p=27,6 v=-89,-21
p=28,81 v=-67,-8
p=59,83 v=-66,-82
p=3,14 v=-3,-1
p=19,65 v=15,-25
p=57,37 v=53,-29
p=36,84 v=-4,-84
p=55,96 v=82,-21
p=68,101 v=51,51
p=68,8 v=-90,-30
p=78,51 v=-51,-63
p=4,55 v=-63,97
p=100,60 v=76,-13
p=7,91 v=-96,-73
p=97,17 v=-54,33
p=85,60 v=69,-3
p=20,39 v=96,-85
p=24,12 v=86,-84
p=34,7 v=-7,-36
p=30,69 v=-67,97
p=65,17 v=20,33
p=39,101 v=-7,-83
p=38,51 v=-90,-4
p=99,61 v=-13,59
p=30,1 v=-67,-96
p=1,89 v=-85,-83
p=8,1 v=68,4
p=89,89 v=-52,85
p=81,5 v=-55,71
p=99,60 v=-94,-72
p=68,70 v=-10,78
p=81,18 v=89,-95
p=47,61 v=-39,56
p=91,71 v=85,59
p=28,66 v=44,-28
p=10,64 v=-59,-4
p=84,10 v=-32,-11
p=29,52 v=-37,34
p=78,43 v=-92,12
p=85,3 v=-71,4
p=37,85 v=-46,-84
p=56,21 v=21,-32
p=17,17 v=15,17
p=26,87 v=45,-93
p=57,21 v=-6,40
p=95,48 v=-33,59
p=38,59 v=65,-72
p=59,85 v=-50,-99
p=17,21 v=86,-45
p=53,3 v=-28,-46
p=1,40 v=-54,-91
p=61,13 v=-40,83
p=33,35 v=-72,-96
p=40,14 v=33,-8
p=29,89 v=53,-59
p=74,0 v=-22,-42
p=12,32 v=-65,-4
p=82,89 v=-12,20
p=35,71 v=-40,20
p=14,5 v=95,83
p=46,44 v=39,92
p=25,54 v=-66,-47
p=91,78 v=64,53
p=14,9 v=25,67
p=39,29 v=-29,8
p=20,100 v=95,51
p=59,41 v=92,-82
p=15,92 v=93,-73
p=42,93 v=3,-86
p=82,93 v=-21,-96
p=50,9 v=12,-39
p=81,22 v=-13,99
p=72,81 v=-51,-93
p=88,19 v=-72,-14
p=8,93 v=-85,-15
p=54,2 v=61,8
p=44,81 v=66,41
p=78,10 v=90,8
p=19,53 v=68,4
p=80,43 v=9,46
p=11,38 v=-66,88
p=31,3 v=4,-2
p=49,28 v=-74,21
p=27,15 v=54,-88
p=96,87 v=-50,-67
p=94,94 v=-5,-97
p=16,89 v=73,23
p=93,32 v=-53,93
p=47,17 v=-29,92
p=10,78 v=16,35
p=55,33 v=-60,-17
p=55,73 v=-68,-22
p=100,62 v=17,-69
p=67,91 v=-49,45
p=68,53 v=-42,-41
p=35,73 v=54,47
p=20,63 v=-85,-12
p=23,16 v=-87,33
p=70,55 v=50,-16
p=92,6 v=41,-59
p=9,97 v=-37,47
p=48,48 v=42,40
p=96,37 v=-90,32
p=66,13 v=-60,91
p=62,46 v=-50,18
p=11,15 v=98,77
p=42,78 v=1,47
p=10,40 v=15,-48
p=88,44 v=7,-75
p=27,53 v=-70,-9
p=21,7 v=-56,96
p=92,81 v=-22,69
p=57,65 v=92,-34
p=85,63 v=77,11
p=92,2 v=-30,21
p=59,16 v=73,-70
p=16,11 v=86,-89
p=82,16 v=80,-36
p=41,30 v=-49,19
p=13,6 v=14,73
p=67,99 v=-91,51
p=37,20 v=-65,-37
p=85,16 v=99,-14
p=1,39 v=-44,56
p=37,29 v=74,5
p=44,51 v=-18,93
p=43,9 v=-55,-84
p=5,10 v=-65,26
p=51,90 v=-59,-96
p=55,98 v=-9,23
p=0,94 v=88,-49
p=91,43 v=-14,-72
p=93,43 v=-69,-94
p=84,100 v=-12,54
p=23,46 v=85,78
p=79,37 v=39,-10
p=1,23 v=99,-79
p=73,50 v=-51,84
p=78,58 v=-31,-16
p=75,44 v=69,71
p=27,5 v=-87,14
p=95,91 v=-33,63
p=22,94 v=-5,-37
p=36,11 v=-5,-60
p=18,3 v=-64,-27
p=44,14 v=24,-92
p=96,40 v=65,-92
p=47,1 v=84,25
p=93,22 v=68,-48
p=14,32 v=-24,37
p=99,17 v=78,-89
p=53,36 v=10,58
p=44,44 v=-78,-60
p=15,28 v=-96,-20
p=96,61 v=-81,-45
p=58,87 v=-9,7
p=20,43 v=84,-22
p=50,42 v=-18,68
p=74,23 v=-12,42
p=12,57 v=-94,-94
p=49,49 v=-89,40
p=47,98 v=-67,-8
p=84,17 v=-62,11
p=31,6 v=-57,-42
p=28,67 v=66,-81
p=0,3 v=-88,-13
p=51,76 v=82,76
p=67,81 v=87,-14
p=84,78 v=39,41
p=39,74 v=72,35
p=30,10 v=64,-77
p=10,31 v=11,-4
p=6,90 v=-4,76
p=90,24 v=-2,-23
p=8,39 v=-57,-27
p=31,69 v=93,-25
p=79,38 v=39,-35
p=69,31 v=70,30
p=1,16 v=7,73
p=46,9 v=-99,-70
p=53,16 v=-94,-84
p=32,60 v=33,-69
p=62,22 v=-99,-4
p=66,3 v=98,20
p=4,76 v=46,-75
p=50,71 v=-90,22
p=57,12 v=31,-15
p=59,84 v=-50,-65
p=33,0 v=76,-48
p=58,76 v=-30,44
p=6,69 v=6,35
p=74,91 v=-61,-43
p=36,92 v=-58,60
p=2,78 v=-48,-98
p=43,91 v=53,76
p=34,101 v=-77,79
p=40,44 v=-68,28
p=71,64 v=47,-48
p=54,7 v=84,15
p=54,75 v=-60,-31
p=14,40 v=86,12
p=80,29 v=-92,-26
p=8,47 v=-33,-69
p=2,41 v=12,-9
p=39,60 v=-38,59
p=13,22 v=86,-20
p=25,12 v=-57,11
p=60,47 v=96,96
p=50,51 v=-48,-82
p=85,40 v=89,74
p=99,4 v=-94,-21
p=75,7 v=29,-73
p=28,58 v=-80,24
p=46,94 v=-9,56
p=24,65 v=-76,62
p=50,2 v=-20,70
p=85,55 v=-5,66
p=38,11 v=43,36
p=53,54 v=53,24
p=18,45 v=65,96
p=94,22 v=16,80
p=79,28 v=75,-69
p=30,38 v=-15,-29
p=5,23 v=-4,49
p=8,98 v=96,-99
p=7,60 v=-14,47
p=96,17 v=88,-73
p=48,23 v=-41,35
p=17,31 v=-26,-23
p=13,52 v=66,37
p=58,19 v=41,55
p=25,9 v=-77,-89
p=3,92 v=55,-80
p=74,95 v=20,-77
p=26,70 v=43,72
p=54,4 v=96,-18
p=63,8 v=-97,49
p=23,51 v=87,-75
p=24,18 v=85,36
p=8,52 v=6,-13
p=97,50 v=17,-72
p=47,66 v=-25,6
p=38,78 v=3,-93
p=62,6 v=5,77
p=56,74 v=-70,-6
p=94,99 v=9,34
p=19,92 v=-18,26
p=35,54 v=-47,-69
p=92,8 v=-13,42
p=47,86 v=12,-90
p=12,83 v=-68,2
p=0,18 v=-75,-89
p=11,99 v=-99,14
p=88,20 v=62,21
p=27,53 v=53,-47
p=17,44 v=-5,-91
p=57,10 v=66,-65
p=66,95 v=-71,-12
p=38,21 v=23,95
p=68,69 v=-31,35
p=87,71 v=50,72
p=98,12 v=47,33
p=94,21 v=66,51
p=53,97 v=-16,-93
p=59,35 v=6,39
p=12,88 v=-86,88
p=85,16 v=39,8
p=38,85 v=35,80
p=44,9 v=-48,11
p=71,18 v=-82,39
p=85,14 v=-74,-73
p=88,22 v=-42,36
p=8,6 v=-58,38
p=21,58 v=-66,9
p=25,17 v=-68,95
p=89,16 v=-34,-86
p=33,54 v=64,-88
p=57,8 v=54,51
p=40,18 v=-98,58
p=91,22 v=-34,-53
p=75,81 v=-70,26
p=89,70 v=-2,69
p=62,6 v=-1,-92
p=78,24 v=-82,-42
p=47,7 v=-75,83
p=86,8 v=-63,95
p=80,64 v=-36,-79
p=69,95 v=-30,29
p=46,86 v=85,20
p=76,35 v=-82,-51
p=33,15 v=-17,55
p=40,58 v=-2,-11
p=76,31 v=39,2
p=46,82 v=-15,-45
p=14,53 v=36,-16
p=98,66 v=68,-3
p=83,38 v=35,-87
p=41,9 v=53,70
p=35,33 v=-68,-68
p=53,66 v=62,97
p=75,80 v=49,-62
p=66,70 v=-50,47
p=78,80 v=7,64
p=82,16 v=85,-81
p=58,25 v=11,-70
p=36,72 v=33,72
p=66,92 v=-91,10
p=24,52 v=-98,22
p=74,7 v=-36,-79
p=46,26 v=-61,-90
p=52,24 v=53,-88
p=92,26 v=31,78
p=60,52 v=80,-81
p=82,78 v=-81,-49
p=10,3 v=-15,-55
p=91,31 v=99,77
p=75,50 v=-91,40
p=49,71 v=93,91
p=1,94 v=-54,54
p=96,50 v=39,18
p=0,3 v=-53,33
p=34,9 v=-17,-8
p=96,28 v=68,-63
p=25,4 v=66,21
p=94,74 v=82,-89
p=47,66 v=-17,87
p=58,23 v=63,83
p=13,82 v=-74,75
p=29,85 v=40,79
p=57,7 v=50,83
p=7,88 v=-37,-16
p=81,61 v=-10,34
p=6,32 v=33,-60
p=63,7 v=1,98
p=59,29 v=-31,-85
p=85,91 v=19,-18
p=22,39 v=21,90
p=25,13 v=75,89
p=14,100 v=-27,30
p=33,6 v=97,-53
p=84,83 v=-22,38
p=100,69 v=77,-38
p=2,67 v=-14,-25
p=71,71 v=-53,73
p=9,43 v=-52,98
p=55,76 v=-60,94
p=49,91 v=-35,-95
p=77,68 v=26,12
p=41,91 v=-17,-15
p=1,69 v=-44,72
p=32,61 v=4,59
p=94,12 v=-33,30
p=1,35 v=96,49
p=72,64 v=-61,-53
p=76,93 v=38,-37
p=97,9 v=33,61
p=60,32 v=80,18
p=16,68 v=15,-29
p=99,72 v=66,44
p=99,18 v=56,99
p=42,11 v=-88,11
p=57,69 v=-2,-2
p=39,57 v=26,-51
p=34,15 v=73,42
p=56,55 v=-61,-75
p=89,1 v=67,-27
p=21,100 v=5,70
p=85,11 v=-35,63
p=16,35 v=47,-63
p=98,0 v=93,-2
p=51,89 v=-9,85
p=50,32 v=84,-42
p=29,63 v=78,-76
p=92,86 v=89,10
p=27,11 v=-77,51
p=65,21 v=-59,68
p=84,68 v=20,-50
p=19,2 v=-24,-36
p=25,78 v=25,-85
p=90,92 v=59,-87
p=70,100 v=10,-52
p=48,78 v=3,54
p=85,81 v=30,44
p=53,65 v=41,-67
p=13,95 v=82,-29
p=5,19 v=95,75
p=37,96 v=-68,26
p=83,16 v=-5,-9
p=31,17 v=4,-20
p=83,34 v=-83,-76
p=50,88 v=93,-5
p=66,36 v=-30,58
p=11,29 v=-44,83
p=31,31 v=-77,-51
p=26,85 v=14,-18
p=8,76 v=65,69
p=60,70 v=-40,47
p=69,70 v=22,64
p=85,53 v=18,12
p=97,93 v=-58,-57
p=52,83 v=92,-9
p=20,92 v=30,50
p=88,73 v=32,3
p=83,16 v=-42,-14
p=57,89 v=-29,20
p=50,19 v=73,8
p=8,101 v=-94,-68
p=12,77 v=-4,-84
p=63,28 v=-84,91
p=46,25 v=13,-95
p=93,21 v=88,-26
p=10,54 v=-24,72
p=69,16 v=-92,-30
p=26,68 v=21,97
p=56,30 v=-90,-51
p=62,69 v=-1,-50
p=7,6 v=55,-39
p=63,78 v=76,92
p=57,55 v=-51,-19
p=70,62 v=18,37
p=88,26 v=-61,82
p=80,50 v=-73,99
p=40,1 v=-78,86
p=35,85 v=81,-12
p=17,74 v=56,47
p=36,99 v=64,-15
p=56,18 v=-29,-14
p=42,44 v=-18,46
p=84,4 v=-63,-2
p=97,75 v=27,-62
p=47,71 v=54,-50
p=26,101 v=-67,-83
p=30,74 v=-57,66`)
require.Equal(t, 0, r)
}

500
2024/go/day14/input.txt Normal file
View File

@@ -0,0 +1,500 @@
p=80,75 v=69,72
p=88,10 v=-28,-23
p=79,61 v=79,59
p=37,102 v=92,-43
p=12,22 v=-5,-95
p=60,13 v=-30,-42
p=3,59 v=-96,-88
p=85,33 v=-43,-41
p=44,14 v=63,45
p=6,6 v=-34,-86
p=47,102 v=12,42
p=36,88 v=-88,-93
p=78,27 v=-18,52
p=96,64 v=-62,-34
p=49,99 v=-78,-15
p=57,31 v=-80,21
p=25,57 v=8,-84
p=69,20 v=81,61
p=80,5 v=-11,-30
p=2,35 v=-85,77
p=9,12 v=-4,36
p=37,68 v=12,-69
p=47,88 v=-8,-90
p=72,68 v=59,-86
p=55,38 v=-68,-94
p=60,58 v=41,37
p=76,87 v=-1,-18
p=89,9 v=38,92
p=100,67 v=17,-53
p=83,73 v=80,32
p=77,19 v=-54,-20
p=10,86 v=-65,36
p=13,88 v=-64,-84
p=50,29 v=-17,-29
p=79,38 v=89,-57
p=55,57 v=-68,22
p=71,82 v=-80,52
p=37,83 v=-68,-43
p=25,5 v=81,-22
p=83,54 v=-32,-75
p=27,95 v=-77,-55
p=70,97 v=-72,-4
p=3,84 v=-60,-60
p=16,29 v=-35,99
p=39,39 v=37,-38
p=76,94 v=90,60
p=18,21 v=-86,-26
p=22,84 v=-16,66
p=45,83 v=-40,-43
p=35,52 v=54,3
p=30,21 v=14,36
p=69,61 v=69,-66
p=52,22 v=-28,33
p=9,21 v=-85,-73
p=87,32 v=79,52
p=28,85 v=-35,85
p=32,58 v=-49,89
p=22,75 v=85,44
p=45,19 v=-88,61
p=97,59 v=98,-75
p=70,81 v=82,7
p=97,102 v=-23,-8
p=92,68 v=89,72
p=24,42 v=-63,-97
p=21,64 v=-45,-47
p=58,3 v=-69,51
p=33,68 v=19,-20
p=27,6 v=-89,-21
p=28,81 v=-67,-8
p=59,83 v=-66,-82
p=3,14 v=-3,-1
p=19,65 v=15,-25
p=57,37 v=53,-29
p=36,84 v=-4,-84
p=55,96 v=82,-21
p=68,101 v=51,51
p=68,8 v=-90,-30
p=78,51 v=-51,-63
p=4,55 v=-63,97
p=100,60 v=76,-13
p=7,91 v=-96,-73
p=97,17 v=-54,33
p=85,60 v=69,-3
p=20,39 v=96,-85
p=24,12 v=86,-84
p=34,7 v=-7,-36
p=30,69 v=-67,97
p=65,17 v=20,33
p=39,101 v=-7,-83
p=38,51 v=-90,-4
p=99,61 v=-13,59
p=30,1 v=-67,-96
p=1,89 v=-85,-83
p=8,1 v=68,4
p=89,89 v=-52,85
p=81,5 v=-55,71
p=99,60 v=-94,-72
p=68,70 v=-10,78
p=81,18 v=89,-95
p=47,61 v=-39,56
p=91,71 v=85,59
p=28,66 v=44,-28
p=10,64 v=-59,-4
p=84,10 v=-32,-11
p=29,52 v=-37,34
p=78,43 v=-92,12
p=85,3 v=-71,4
p=37,85 v=-46,-84
p=56,21 v=21,-32
p=17,17 v=15,17
p=26,87 v=45,-93
p=57,21 v=-6,40
p=95,48 v=-33,59
p=38,59 v=65,-72
p=59,85 v=-50,-99
p=17,21 v=86,-45
p=53,3 v=-28,-46
p=1,40 v=-54,-91
p=61,13 v=-40,83
p=33,35 v=-72,-96
p=40,14 v=33,-8
p=29,89 v=53,-59
p=74,0 v=-22,-42
p=12,32 v=-65,-4
p=82,89 v=-12,20
p=35,71 v=-40,20
p=14,5 v=95,83
p=46,44 v=39,92
p=25,54 v=-66,-47
p=91,78 v=64,53
p=14,9 v=25,67
p=39,29 v=-29,8
p=20,100 v=95,51
p=59,41 v=92,-82
p=15,92 v=93,-73
p=42,93 v=3,-86
p=82,93 v=-21,-96
p=50,9 v=12,-39
p=81,22 v=-13,99
p=72,81 v=-51,-93
p=88,19 v=-72,-14
p=8,93 v=-85,-15
p=54,2 v=61,8
p=44,81 v=66,41
p=78,10 v=90,8
p=19,53 v=68,4
p=80,43 v=9,46
p=11,38 v=-66,88
p=31,3 v=4,-2
p=49,28 v=-74,21
p=27,15 v=54,-88
p=96,87 v=-50,-67
p=94,94 v=-5,-97
p=16,89 v=73,23
p=93,32 v=-53,93
p=47,17 v=-29,92
p=10,78 v=16,35
p=55,33 v=-60,-17
p=55,73 v=-68,-22
p=100,62 v=17,-69
p=67,91 v=-49,45
p=68,53 v=-42,-41
p=35,73 v=54,47
p=20,63 v=-85,-12
p=23,16 v=-87,33
p=70,55 v=50,-16
p=92,6 v=41,-59
p=9,97 v=-37,47
p=48,48 v=42,40
p=96,37 v=-90,32
p=66,13 v=-60,91
p=62,46 v=-50,18
p=11,15 v=98,77
p=42,78 v=1,47
p=10,40 v=15,-48
p=88,44 v=7,-75
p=27,53 v=-70,-9
p=21,7 v=-56,96
p=92,81 v=-22,69
p=57,65 v=92,-34
p=85,63 v=77,11
p=92,2 v=-30,21
p=59,16 v=73,-70
p=16,11 v=86,-89
p=82,16 v=80,-36
p=41,30 v=-49,19
p=13,6 v=14,73
p=67,99 v=-91,51
p=37,20 v=-65,-37
p=85,16 v=99,-14
p=1,39 v=-44,56
p=37,29 v=74,5
p=44,51 v=-18,93
p=43,9 v=-55,-84
p=5,10 v=-65,26
p=51,90 v=-59,-96
p=55,98 v=-9,23
p=0,94 v=88,-49
p=91,43 v=-14,-72
p=93,43 v=-69,-94
p=84,100 v=-12,54
p=23,46 v=85,78
p=79,37 v=39,-10
p=1,23 v=99,-79
p=73,50 v=-51,84
p=78,58 v=-31,-16
p=75,44 v=69,71
p=27,5 v=-87,14
p=95,91 v=-33,63
p=22,94 v=-5,-37
p=36,11 v=-5,-60
p=18,3 v=-64,-27
p=44,14 v=24,-92
p=96,40 v=65,-92
p=47,1 v=84,25
p=93,22 v=68,-48
p=14,32 v=-24,37
p=99,17 v=78,-89
p=53,36 v=10,58
p=44,44 v=-78,-60
p=15,28 v=-96,-20
p=96,61 v=-81,-45
p=58,87 v=-9,7
p=20,43 v=84,-22
p=50,42 v=-18,68
p=74,23 v=-12,42
p=12,57 v=-94,-94
p=49,49 v=-89,40
p=47,98 v=-67,-8
p=84,17 v=-62,11
p=31,6 v=-57,-42
p=28,67 v=66,-81
p=0,3 v=-88,-13
p=51,76 v=82,76
p=67,81 v=87,-14
p=84,78 v=39,41
p=39,74 v=72,35
p=30,10 v=64,-77
p=10,31 v=11,-4
p=6,90 v=-4,76
p=90,24 v=-2,-23
p=8,39 v=-57,-27
p=31,69 v=93,-25
p=79,38 v=39,-35
p=69,31 v=70,30
p=1,16 v=7,73
p=46,9 v=-99,-70
p=53,16 v=-94,-84
p=32,60 v=33,-69
p=62,22 v=-99,-4
p=66,3 v=98,20
p=4,76 v=46,-75
p=50,71 v=-90,22
p=57,12 v=31,-15
p=59,84 v=-50,-65
p=33,0 v=76,-48
p=58,76 v=-30,44
p=6,69 v=6,35
p=74,91 v=-61,-43
p=36,92 v=-58,60
p=2,78 v=-48,-98
p=43,91 v=53,76
p=34,101 v=-77,79
p=40,44 v=-68,28
p=71,64 v=47,-48
p=54,7 v=84,15
p=54,75 v=-60,-31
p=14,40 v=86,12
p=80,29 v=-92,-26
p=8,47 v=-33,-69
p=2,41 v=12,-9
p=39,60 v=-38,59
p=13,22 v=86,-20
p=25,12 v=-57,11
p=60,47 v=96,96
p=50,51 v=-48,-82
p=85,40 v=89,74
p=99,4 v=-94,-21
p=75,7 v=29,-73
p=28,58 v=-80,24
p=46,94 v=-9,56
p=24,65 v=-76,62
p=50,2 v=-20,70
p=85,55 v=-5,66
p=38,11 v=43,36
p=53,54 v=53,24
p=18,45 v=65,96
p=94,22 v=16,80
p=79,28 v=75,-69
p=30,38 v=-15,-29
p=5,23 v=-4,49
p=8,98 v=96,-99
p=7,60 v=-14,47
p=96,17 v=88,-73
p=48,23 v=-41,35
p=17,31 v=-26,-23
p=13,52 v=66,37
p=58,19 v=41,55
p=25,9 v=-77,-89
p=3,92 v=55,-80
p=74,95 v=20,-77
p=26,70 v=43,72
p=54,4 v=96,-18
p=63,8 v=-97,49
p=23,51 v=87,-75
p=24,18 v=85,36
p=8,52 v=6,-13
p=97,50 v=17,-72
p=47,66 v=-25,6
p=38,78 v=3,-93
p=62,6 v=5,77
p=56,74 v=-70,-6
p=94,99 v=9,34
p=19,92 v=-18,26
p=35,54 v=-47,-69
p=92,8 v=-13,42
p=47,86 v=12,-90
p=12,83 v=-68,2
p=0,18 v=-75,-89
p=11,99 v=-99,14
p=88,20 v=62,21
p=27,53 v=53,-47
p=17,44 v=-5,-91
p=57,10 v=66,-65
p=66,95 v=-71,-12
p=38,21 v=23,95
p=68,69 v=-31,35
p=87,71 v=50,72
p=98,12 v=47,33
p=94,21 v=66,51
p=53,97 v=-16,-93
p=59,35 v=6,39
p=12,88 v=-86,88
p=85,16 v=39,8
p=38,85 v=35,80
p=44,9 v=-48,11
p=71,18 v=-82,39
p=85,14 v=-74,-73
p=88,22 v=-42,36
p=8,6 v=-58,38
p=21,58 v=-66,9
p=25,17 v=-68,95
p=89,16 v=-34,-86
p=33,54 v=64,-88
p=57,8 v=54,51
p=40,18 v=-98,58
p=91,22 v=-34,-53
p=75,81 v=-70,26
p=89,70 v=-2,69
p=62,6 v=-1,-92
p=78,24 v=-82,-42
p=47,7 v=-75,83
p=86,8 v=-63,95
p=80,64 v=-36,-79
p=69,95 v=-30,29
p=46,86 v=85,20
p=76,35 v=-82,-51
p=33,15 v=-17,55
p=40,58 v=-2,-11
p=76,31 v=39,2
p=46,82 v=-15,-45
p=14,53 v=36,-16
p=98,66 v=68,-3
p=83,38 v=35,-87
p=41,9 v=53,70
p=35,33 v=-68,-68
p=53,66 v=62,97
p=75,80 v=49,-62
p=66,70 v=-50,47
p=78,80 v=7,64
p=82,16 v=85,-81
p=58,25 v=11,-70
p=36,72 v=33,72
p=66,92 v=-91,10
p=24,52 v=-98,22
p=74,7 v=-36,-79
p=46,26 v=-61,-90
p=52,24 v=53,-88
p=92,26 v=31,78
p=60,52 v=80,-81
p=82,78 v=-81,-49
p=10,3 v=-15,-55
p=91,31 v=99,77
p=75,50 v=-91,40
p=49,71 v=93,91
p=1,94 v=-54,54
p=96,50 v=39,18
p=0,3 v=-53,33
p=34,9 v=-17,-8
p=96,28 v=68,-63
p=25,4 v=66,21
p=94,74 v=82,-89
p=47,66 v=-17,87
p=58,23 v=63,83
p=13,82 v=-74,75
p=29,85 v=40,79
p=57,7 v=50,83
p=7,88 v=-37,-16
p=81,61 v=-10,34
p=6,32 v=33,-60
p=63,7 v=1,98
p=59,29 v=-31,-85
p=85,91 v=19,-18
p=22,39 v=21,90
p=25,13 v=75,89
p=14,100 v=-27,30
p=33,6 v=97,-53
p=84,83 v=-22,38
p=100,69 v=77,-38
p=2,67 v=-14,-25
p=71,71 v=-53,73
p=9,43 v=-52,98
p=55,76 v=-60,94
p=49,91 v=-35,-95
p=77,68 v=26,12
p=41,91 v=-17,-15
p=1,69 v=-44,72
p=32,61 v=4,59
p=94,12 v=-33,30
p=1,35 v=96,49
p=72,64 v=-61,-53
p=76,93 v=38,-37
p=97,9 v=33,61
p=60,32 v=80,18
p=16,68 v=15,-29
p=99,72 v=66,44
p=99,18 v=56,99
p=42,11 v=-88,11
p=57,69 v=-2,-2
p=39,57 v=26,-51
p=34,15 v=73,42
p=56,55 v=-61,-75
p=89,1 v=67,-27
p=21,100 v=5,70
p=85,11 v=-35,63
p=16,35 v=47,-63
p=98,0 v=93,-2
p=51,89 v=-9,85
p=50,32 v=84,-42
p=29,63 v=78,-76
p=92,86 v=89,10
p=27,11 v=-77,51
p=65,21 v=-59,68
p=84,68 v=20,-50
p=19,2 v=-24,-36
p=25,78 v=25,-85
p=90,92 v=59,-87
p=70,100 v=10,-52
p=48,78 v=3,54
p=85,81 v=30,44
p=53,65 v=41,-67
p=13,95 v=82,-29
p=5,19 v=95,75
p=37,96 v=-68,26
p=83,16 v=-5,-9
p=31,17 v=4,-20
p=83,34 v=-83,-76
p=50,88 v=93,-5
p=66,36 v=-30,58
p=11,29 v=-44,83
p=31,31 v=-77,-51
p=26,85 v=14,-18
p=8,76 v=65,69
p=60,70 v=-40,47
p=69,70 v=22,64
p=85,53 v=18,12
p=97,93 v=-58,-57
p=52,83 v=92,-9
p=20,92 v=30,50
p=88,73 v=32,3
p=83,16 v=-42,-14
p=57,89 v=-29,20
p=50,19 v=73,8
p=8,101 v=-94,-68
p=12,77 v=-4,-84
p=63,28 v=-84,91
p=46,25 v=13,-95
p=93,21 v=88,-26
p=10,54 v=-24,72
p=69,16 v=-92,-30
p=26,68 v=21,97
p=56,30 v=-90,-51
p=62,69 v=-1,-50
p=7,6 v=55,-39
p=63,78 v=76,92
p=57,55 v=-51,-19
p=70,62 v=18,37
p=88,26 v=-61,82
p=80,50 v=-73,99
p=40,1 v=-78,86
p=35,85 v=81,-12
p=17,74 v=56,47
p=36,99 v=64,-15
p=56,18 v=-29,-14
p=42,44 v=-18,46
p=84,4 v=-63,-2
p=97,75 v=27,-62
p=47,71 v=54,-50
p=26,101 v=-67,-83
p=30,74 v=-57,66

119
2024/go/day15/day15.go Normal file
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@@ -0,0 +1,119 @@
package day15
import (
_ "adventofcode2024/utils"
_ "adventofcode2024/utils/grid2d"
_ "adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
_ "regexp"
"strings"
_ "github.com/deckarep/golang-set/v2"
)
type Loc struct {
x int
y int
}
type Queue struct {
elements []Loc
}
// Push adds an element to the end of the queue
func (q *Queue) Push(value Loc) {
q.elements = append(q.elements, value)
}
// Pop removes an element from the front of the queue
func (q *Queue) Pop() (Loc, bool) {
if len(q.elements) == 0 {
return Loc{}, false // Return zero and false if the queue is empty
}
value := q.elements[0]
q.elements = q.elements[1:] // Remove the first element
return value, true
}
// IsEmpty checks if the queue is empty
func (q *Queue) IsEmpty() bool {
return len(q.elements) == 0
}
func Part1(input string) int {
var val int
var rloc Loc
in := strings.Split(input, "\n\n")
dirs := map[rune][2]int{
'<': {-1, 0},
'>': {1, 0},
'^': {0, -1},
'v': {0, 1},
}
grid := inputs.ToGrid2D(in[0], "\n", "", ',', func(c string) rune { return rune(c[0]) })
directions := strings.ReplaceAll(in[1], "\n", "")
fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
fmt.Printf("%v\n", directions)
found := false
for x := 0; x < grid.SizeX(); x++ {
if found {
break
}
for y := 0; y < grid.SizeY(); y++ {
if grid.Get(x, y) == '@' {
rloc = Loc{x: x, y: y}
found = true
break
}
}
}
fmt.Printf("Robot: %v\n", rloc)
for _, dir := range directions {
q := &Queue{}
x := rloc.x
y := rloc.y
Loop:
for {
x += dirs[dir][0]
y += dirs[dir][1]
switch grid.Get(x, y) {
case 'O':
q.Push(Loc{x: x, y: y})
case '.':
for !q.IsEmpty() {
grid.Set(x, y, 'O')
loc, _ := q.Pop()
fmt.Printf("%d,%d\n", loc.x, loc.y)
// grid.Set(loc.x, loc.y, 'O')
x -= dirs[dir][0]
y -= dirs[dir][1]
}
grid.Set(rloc.x, rloc.y, '.')
rloc.x = x
rloc.y = y
grid.Set(rloc.x, rloc.y, '@')
break Loop
case '#':
break Loop
}
}
// fmt.Printf("%v\n", grid.StringWithFormatter(formatter))
}
for x := 0; x < grid.SizeX(); x++ {
for y := 0; y < grid.SizeY(); y++ {
if grid.Get(x, y) == 'O' {
val += (100 * y) + x
}
}
}
return val
}
func Part2(input string) int {
return 0
}
func formatter(p rune, x int, y int) string {
return string(p)
}

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@@ -0,0 +1,57 @@
package day15
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`##########
#..O..O.O#
#......O.#
#.OO..O.O#
#..O@..O.#
#O#..O...#
#O..O..O.#
#.OO.O.OO#
#....O...#
##########
<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
require.Equal(t, 10092, r)
}
func TestPart2(t *testing.T) {
r := Part2(`##########
#..O..O.O#
#......O.#
#.OO..O.O#
#..O@..O.#
#O#..O...#
#O..O..O.#
#.OO.O.OO#
#....O...#
##########
<vv>^<v^>v>^vv^v>v<>v^v<v<^vv<<<^><<><>>v<vvv<>^v^>^<<<><<v<<<v^vv^v>^
vvv<<^>^v^^><<>>><>^<<><^vv^^<>vvv<>><^^v>^>vv<>v<<<<v<^v>^<^^>>>^<v<v
><>vv>v^v^<>><>>>><^^>vv>v<^^^>>v^v^<^^>v^^>v^<^v>v<>>v^v^<v>v^^<^^vv<
<<v<^>>^^^^>>>v^<>vvv^><v<<<>^^^vv^<vvv>^>v<^^^^v<>^>vvvv><>>v^<<^^^^^
^><^><>>><>^^<<^^v>>><^<v>^<vv>>v>>>^v><>^v><<<<v>>v<v<v>vvv>^<><<>^><
^>><>^v<><^vvv<^^<><v<<<<<><^v<<<><<<^^<v<^^^><^>>^<v^><<<^>>^v<v^v<v^
>^>>^v>vv>^<<^v<>><<><<v<<v><>v<^vv<<<>^^v^>^^>>><<^v>>v^v><^^>>^<>vv^
<><^^>^^^<><vvvvv^v<v<<>^v<v>v<<^><<><<><<<^^<<<^<<>><<><^^^>^^<>^>v<>
^^>vv<^v^v<vv>^<><v<^v>^^^>>>^^vvv^>vvv<>>>^<^>>>>>^<<^v>^vvv<>^<><<v>
v^^>>><<^^<>>^v^<v^vv<>v^<<>^<^v^v><^<<<><<^<v><v<>vv>>v><v^<vv<>v^<<^`)
require.Equal(t, 0, r)
}

71
2024/go/day15/input.txt Normal file
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@@ -0,0 +1,71 @@
##################################################
#...O.#..O....##O..OO.#O..#.#.......OO...#O.#OO..#
#O#..OO...O..O.O.....O.O.O....OO#.....O#.O.OO..O.#
#........O....#...O......O.OO...#..O.O.#O#....O..#
#..O.OO..O..O.#..O.O.OO.O...O...O......#O.....O..#
#..OO.....O.OO.O#.......O.........O.....O.O.O....#
#.O.#.O.O#......OO........O.O.....OO..O.O.O.#.#O.#
#........#.....#.##O....O.O..OOO.......OOO.#O....#
#.O#.#...OO.....#.......O...O...#O.O.......OO..OO#
#.O...O..#O...#O..O.........O.O..OO..O.......O.OO#
#O.O......O.OO..O.O.......O.OO#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#OO...O...O.O.O......#
##..O...O..OO.O.O.O..OO........#.##.........O.O..#
#..O...O.OO..OOO.O...#..#.........#.O....OO......#
#O....OOO.OO...O##.O.OO..O.O.....O.O.OOO....O.O.O#
#O.O..OO.O..OO............O....O....O..OO...OO..##
#.O...O.O.O.....O..O.O...O.#.......OOO...........#
#O.O...O.....#..O..#O...O.O.O....O#...#.###.....O#
#.O...O.O..#O.#.OO.......O.OO.O...O...........O..#
##O.#O....O.#............O..O..O.....O..O..OO....#
##..#.OO.O.OO.#.O....O...#........#........O.O...#
#..O.OO...O....#..OO.O...........OOOO#..OO#O.....#
#OO.O#...#..#...O#........O.OOO...OO....#O.OO#OOO#
#...OOO............#O.#.@...O.....O#.#.O...O..O..#
#...O...OO.#..O......O..............#OOO......OOO#
#..#OO...O.#O......O..OO.O#...O....OO..O...O.O#O.#
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225
2024/go/day16/day16.go Normal file
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package day16
import (
"adventofcode2024/utils/dijkstra"
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
_ "strings"
)
type (
Vec struct{ x, y int }
Dir struct{ x, y int }
Cell rune
Move struct {
p Vec
d Dir
}
Maze struct {
height, width int
start Vec
end Vec
grid *grid2d.Grid[Cell]
}
)
const (
WALL Cell = '#'
CORRIDOR Cell = '.'
START Cell = 'S'
END Cell = 'E'
PATH Cell = '*'
)
var (
NORTH = Dir{0, -1}
EAST = Dir{1, 0}
SOUTH = Dir{0, 1}
WEST = Dir{-1, 0}
DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
)
func Part1(input string) int {
maze := Maze{}.Parse(input)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
data.From.Label = "EAST"
path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
for _, p := range path {
maze.grid.Set(p.X, p.Y, PATH)
}
fmt.Println(maze)
return dist
}
func Part2(input string) int {
maze := Maze{}.Parse(input)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
data.From.Label = "START"
data.To.Label = "NORTH"
paths, _ := dijkstra.GetAllShortestPaths(data.From, data.To, graph)
bestPaths := make(map[Vec]struct{})
for _, path := range paths {
for _, node := range path {
bestPaths[Vec{x: node.X, y: node.Y}] = struct{}{}
}
}
return len(bestPaths)
}
func inputGraph(maze Maze) dijkstra.InputGraph {
data := dijkstra.InputGraph{}
data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"}
data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"}
for y := 0; y < maze.height; y++ {
for x := 0; x < maze.width; x++ {
if maze.grid.Get(x, y) == WALL {
continue
}
for _, dir := range DIRECTIONS {
nx, ny := x+dir.x, y+dir.y
if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
continue
}
if maze.grid.Get(nx, ny) == WALL {
continue
}
for _, d := range getAllowedDirections(dir) {
ss := dirToString(dir)
ds := dirToString(d)
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: x, Y: y, Label: ss},
Destination: dijkstra.Point{X: nx, Y: ny, Label: ds},
Weight: func() int {
if dir == d {
return 1
} else {
return 1001
}
}(),
})
}
}
}
}
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(EAST)},
Weight: 0,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(WEST)},
Weight: 0,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(NORTH)},
Weight: 0,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: "END"},
Destination: dijkstra.Point{X: maze.end.x, Y: maze.end.y, Label: dirToString(SOUTH)},
Weight: 0,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(EAST)},
Weight: 0,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(WEST)},
Weight: 2000,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(NORTH)},
Weight: 1000,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "START"},
Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: dirToString(SOUTH)},
Weight: 1000,
})
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "EAST"},
Destination: dijkstra.Point{X: maze.start.x, Y: maze.start.y, Label: "NORTH"},
Weight: 1000,
})
return data
}
func dirToString(dir Dir) string {
switch dir {
case NORTH:
return "NORTH"
case EAST:
return "EAST"
case SOUTH:
return "SOUTH"
case WEST:
return "WEST"
default:
return "UNKNOWN"
}
}
func getAllowedDirections(direction Dir) []Dir {
switch direction {
case NORTH:
return []Dir{NORTH, EAST, WEST}
case SOUTH:
return []Dir{SOUTH, EAST, WEST}
case WEST:
return []Dir{WEST, NORTH, SOUTH}
case EAST:
return []Dir{EAST, NORTH, SOUTH}
}
return []Dir{}
}
func (m Maze) Parse(input string) *Maze {
m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
for y := 0; y < m.height; y++ {
for x := 0; x < m.width; x++ {
c := m.grid.Get(x, y)
switch c {
case WALL, CORRIDOR:
m.grid.Set(x, y, c)
case START:
m.grid.Set(x, y, CORRIDOR)
m.start = Vec{x, y}
case END:
m.grid.Set(x, y, CORRIDOR)
m.end = Vec{x, y}
}
}
}
return &m
}
func (m *Maze) String() string {
s := ""
for y := 0; y < m.height; y++ {
for x := 0; x < m.width; x++ {
if y == m.start.y && x == m.start.x {
s += string(START)
} else if y == m.end.y && x == m.end.x {
s += string(END)
} else {
s += string(m.grid.Get(x, y))
}
}
s += "\n"
}
return s
}

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package day16
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`###############
#.......#....E#
#.#.###.#.###.#
#.....#.#...#.#
#.###.#####.#.#
#.#.#.......#.#
#.#.#####.###.#
#...........#.#
###.#.#####.#.#
#...#.....#.#.#
#.#.#.###.#.#.#
#.....#...#.#.#
#.###.#.#.#.#.#
#S..#.....#...#
###############`)
require.Equal(t, 7036, r)
}
func TestPart2(t *testing.T) {
r := Part2(`#################
#...#...#...#..E#
#.#.#.#.#.#.#.#.#
#.#.#.#...#...#.#
#.#.#.#.###.#.#.#
#...#.#.#.....#.#
#.#.#.#.#.#####.#
#.#...#.#.#.....#
#.#.#####.#.###.#
#.#.#.......#...#
#.#.###.#####.###
#.#.#...#.....#.#
#.#.#.#####.###.#
#.#.#.........#.#
#.#.#.#########.#
#S#.............#
#################`)
require.Equal(t, 64, r)
}

141
2024/go/day16/input.txt Normal file
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#############################################################################################################################################
#.....#.....#...#.................#...#.......#.........#...#.......#...#.......#.......#...#...#.....#...#.......................#...#....E#
#.###.#.#.#.###.#.###.###.#######.#.#.#.#.###.#.###.###.#.#.#.###.#.###.#.#.#####.###.#.###.#.#.#.#.#.#.#.#.#####.#.###.#.#######.#.#.#.###.#
#...#.#.#.#...#.....#...#.#.....#...#...#.#...#.#...#...#.#.#...#.#...#.#.#...#...#...#.....#.#.#.#.#...#...#.....#.#.#.....#.....#.#.#...#.#
#.#.###.#.###.#.#####.#.#.###.###########.#.#####.###.###.###.###.###.#.#.#.#.#.###.#######.#.#.#.#.#########.#####.#.#.#####.#####.#.###.#.#
#.#.....#.#.#.#...#...#.#...#.....#.....#.#.....#.#.#.#.........................#.#.......#.#.#...#.....#...#.#...#.....#...#.#...#.#.....#.#
#.#######.#.#.#.###.#.#.###.#.#.#.#.#.###.#####.#.#.#.#.###.###.###.#.###.#.#.#.#.#######.###.#.#####.#.#.#.#.###.###.#.#.#.#.#.#.#.#######.#
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###.#.###.#.#####.###.###.#.###.#.#####.###.#.#####.###.#.###.#.###.###.###.#####.#########.#.#.###.#.###.#.#####.#.###.#######.###########.#
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91
2024/go/day17/day17.go Normal file
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package day17
import (
"encoding/json"
"fmt"
"regexp"
"strings"
"golang.org/x/exp/slices"
"adventofcode2024/utils"
)
type Opcode int
const (
adv Opcode = 0
bxl Opcode = 1
bst Opcode = 2
jnx Opcode = 3
bxc Opcode = 4
out Opcode = 5
bdv Opcode = 6
cdv Opcode = 7
)
func Part1(input string) string {
m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
a := utils.MustAtoi(m[0])
b := utils.MustAtoi(m[1])
c := utils.MustAtoi(m[2])
var pgm []int
json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
fmt.Printf("%d %d %d %v\n", a, b, c, pgm)
out := fmt.Sprint(run(a, b, c, pgm))
out = fmt.Sprint(strings.Trim(strings.ReplaceAll(out, " ", ","), "[]"))
return out
}
func Part2(input string) int {
m := regexp.MustCompile(`[\d,]+`).FindAllString(input, -1)
b := utils.MustAtoi(m[1])
c := utils.MustAtoi(m[2])
var pgm []int
json.Unmarshal([]byte("["+m[3]+"]"), &pgm)
fmt.Printf("%d %d %v\n", b, c, pgm)
a := 0
for n := len(pgm) - 1; n >= 0; n-- {
a <<= 3
for !slices.Equal(run(a, b, c, pgm), pgm[n:]) {
a++
}
}
return a
}
func run(a, b, c int, pgm []int) (output []int) {
for ip := 0; ip < len(pgm); ip += 2 {
operand := pgm[ip+1]
combo := []int{0, 1, 2, 3, a, b, c}[operand]
switch pgm[ip] {
case int(adv):
a >>= combo
case int(bxl):
b ^= operand
case int(bst):
b = combo % 8
case int(jnx):
if a != 0 {
ip = operand - 2
}
case int(bxc):
b ^= c
case int(out):
output = append(output, combo%8)
case int(bdv):
b = a >> combo
case int(cdv):
c = a >> combo
}
}
return output
}

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package day17
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`Register A: 729
Register B: 0
Register C: 0
Program: 0,1,5,4,3,0`)
require.Equal(t, "4,6,3,5,6,3,5,2,1,0", r)
}
func TestPart2(t *testing.T) {
r := Part2(`Register A: 2024
Register B: 0
Register C: 0
Program: 0,3,5,4,3,0`)
require.Equal(t, 117440, r)
}

5
2024/go/day17/input.txt Normal file
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Register A: 61156655
Register B: 0
Register C: 0
Program: 2,4,1,5,7,5,4,3,1,6,0,3,5,5,3,0

126
2024/go/day18/day18.go Normal file
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package day18
import (
"adventofcode2024/utils"
"adventofcode2024/utils/dijkstra"
"adventofcode2024/utils/grid2d"
"fmt"
"strings"
)
type (
Vec struct{ x, y int }
Dir struct{ x, y int }
Cell rune
Move struct {
p Vec
d Dir
}
Maze struct {
height, width int
start Vec
end Vec
grid *grid2d.Grid[Cell]
}
)
const (
WALL Cell = '#'
CORRIDOR Cell = '.'
START Cell = 'S'
END Cell = 'E'
PATH Cell = '*'
)
var (
NORTH = Dir{0, -1}
EAST = Dir{1, 0}
SOUTH = Dir{0, 1}
WEST = Dir{-1, 0}
DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
)
func Part1(input string) int {
maze := Maze{}.Parse(input, 1024)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
for _, p := range path {
maze.grid.Set(p.X, p.Y, PATH)
}
fmt.Println(maze)
return dist
}
func Part2(input string) int {
maze := Maze{}.Parse(input, 2877)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
return count
}
func inputGraph(maze Maze) dijkstra.InputGraph {
data := dijkstra.InputGraph{}
data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
for y := 0; y < maze.height; y++ {
for x := 0; x < maze.width; x++ {
if maze.grid.Get(x, y) == WALL {
continue
}
for _, dir := range DIRECTIONS {
nx, ny := x+dir.x, y+dir.y
if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
continue
}
if maze.grid.Get(nx, ny) == WALL {
continue
}
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: x, Y: y},
Destination: dijkstra.Point{X: nx, Y: ny},
Weight: 1,
})
}
}
}
return data
}
func (m Maze) Parse(input string, bytes int) *Maze {
m.grid = grid2d.NewGrid(71, 71, CORRIDOR)
for _, line := range strings.Split(input, "\n") {
if bytes == 0 {
break
}
in := strings.Split(line, ",")
x := utils.MustAtoi(in[0])
y := utils.MustAtoi(in[1])
m.grid.Set(x, y, WALL)
bytes--
}
m.start = Vec{0, 0}
m.end = Vec{70, 70}
m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
return &m
}
func (m *Maze) String() string {
s := ""
for y := 0; y < m.height; y++ {
for x := 0; x < m.width; x++ {
if y == m.start.y && x == m.start.x {
s += string(START)
} else if y == m.end.y && x == m.end.x {
s += string(END)
} else {
s += string(m.grid.Get(x, y))
}
}
s += "\n"
}
return s
}

6915
2024/go/day18/day18_test.go Normal file

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3450
2024/go/day18/input.txt Normal file

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87
2024/go/day19/day19.go Normal file
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package day19
import (
"sort"
"strings"
)
func Part1(input string) int {
in := strings.Split(input, "\n\n")
towels := strings.Split(in[0], ", ")
patterns := strings.Split(in[1], "\n")
// fmt.Println(towels, patterns)
count := 0
not_possibles := make(map[string]bool)
for _, pattern := range patterns {
if isPossible(towels, pattern, not_possibles) {
// fmt.Println(count, pattern)
count++
}
}
return count
}
func Part2(input string) int {
in := strings.Split(input, "\n\n")
towels := strings.Split(in[0], ", ")
sort.Strings(towels)
patterns := strings.Split(in[1], "\n")
// fmt.Println(towels, patterns)
count := 0
memo := make(map[string]int)
for _, pattern := range patterns {
count += countPossible(sortStringsByPrefix(towels), pattern, memo)
}
return count
}
func isPossible(towels []string, pattern string, not_possibles map[string]bool) bool {
if pattern == "" {
return true
}
if not_possibles[pattern] {
return false
}
for _, towel := range towels {
if strings.HasPrefix(pattern, towel) {
if isPossible(towels, pattern[len(towel):], not_possibles) {
return true
}
}
}
not_possibles[pattern] = true
return false
}
func countPossible(towels map[byte][]string, pattern string, memo map[string]int) int {
if pattern == "" {
return 1
}
//If memo has key
if val, ok := memo[pattern]; ok {
return val
}
count := 0
for _, towel := range towels[pattern[0]] {
if strings.HasPrefix(pattern, towel) {
count += countPossible(towels, pattern[len(towel):], memo)
}
}
memo[pattern] = count
return count
}
func sortStringsByPrefix(slice []string) map[byte][]string {
result := make(map[byte][]string)
for _, str := range slice {
result[str[0]] = append(result[str[0]], str)
}
for _, t := range result {
sort.Strings(t)
}
return result
}

View File

@@ -0,0 +1,42 @@
package day19
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`r, wr, b, g, bwu, rb, gb, br
brwrr
bggr
gbbr
rrbgbr
ubwu
bwurrg
brgr
bbrgwb`)
require.Equal(t, 6, r)
}
func TestPart2(t *testing.T) {
r := Part2(`r, wr, b, g, bwu, rb, gb, br
brwrr
bggr
gbbr
rrbgbr
ubwu
bwurrg
brgr
bbrgwb`)
require.Equal(t, 16, r)
}
func TestPart2Long(t *testing.T) {
r := Part2(`rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur`)
require.Equal(t, 16, r)
}

402
2024/go/day19/input.txt Normal file
View File

@@ -0,0 +1,402 @@
rrgwru, gwubwg, wgbbw, bwb, ugrgw, uwgguuw, wuggb, bgwb, ubrr, grruuub, rwbwgbub, wwwggg, uuw, gubuu, urwb, bubg, bubb, rruruuu, ubgr, uw, urugg, wubuu, brwb, buw, bgug, wgbwwrb, rwrgrr, gwgr, rrwrg, wwbwgbw, gguu, rgg, bwg, ruurrwg, wbu, ggg, wrw, brbw, wbb, rrbgg, gbb, gwwrubwu, rwgu, grgwwu, wguu, rwg, wbwug, rbur, gwg, wbrugu, wbwwgu, wbbuw, rwrg, rgru, rgb, bwwrg, bwur, rrubwu, gwb, ugwur, wbguwb, rbu, ubrwgw, ruwbr, wbbu, rrbwbg, rgub, rwgb, urwg, bbw, bugg, rugwg, rwbrwww, wuru, guu, brwbg, ug, ruuwruw, bguww, wwrgrurg, rrbgr, uubwurb, brrrwgg, bur, urg, rbg, wruw, gr, ugb, wwrbgrg, wbuuw, bbugu, uug, rrbb, rrbw, bgr, wwwru, rgu, urr, rg, wbgbru, brrgu, gubu, rurgr, wwbrgg, ruurwgwg, rbb, rbrugwb, gwwrbg, bwuuwrg, wu, b, bgwrb, uwggr, rgbb, rww, wgwb, gwgwr, uwbb, uww, gu, ubwuu, wbwwwug, rurwru, rr, rrg, uggr, bgwu, wbgbu, urggw, br, gubgugr, wgrb, bbgrrbu, brbg, wrg, bgrb, rwbwwur, uwr, bubu, grwb, ubb, wr, bbbgwr, bug, uwgwuwu, grb, bgw, uuu, ugr, wgbbgu, gbg, bgwub, urbgrw, rbruwg, gb, bbwgwur, uwbgwrr, ggrb, wbrrwrbu, gbbugrb, ub, rwb, gwr, ruwu, gurgu, rru, uuwwgwuw, bw, ruwbbb, rbgrgu, wuwu, grrugr, wgr, rbbr, rugr, rrrrbww, bwrr, wrbbr, uuwgr, gug, wwb, rgur, brbrr, gguw, grwubrg, rrrr, uwb, wuwwrrwg, gwbggr, rwrub, wuur, gub, rbgb, urrbubrr, uwubu, brbb, bwbr, bww, ruuubwu, ugbbbr, bub, rrug, wub, gruu, uu, bbu, gbbr, urrg, buwu, grw, grbbbu, bgb, ugubg, uwww, urw, wwubruww, buurb, www, bguurr, wwgu, wgb, ruwub, wggggbg, urrb, gbwuw, ubrrg, wrr, gbubgg, gw, wuw, wuug, wwrb, wgg, rgugrru, rgwrbr, guurrg, bgu, rurgb, gwggb, bwgbbw, ggwb, ubwgw, bbg, rbr, wgru, urwr, brr, rgbr, rgr, wwg, guwuru, uuggg, rrw, buu, urb, guwg, ugwwbuwb, rubb, brbuww, rwugru, ubu, wwub, bgwgb, wrug, rug, w, brgg, wwugwruw, ggrwb, bbwuwuu, uub, rrr, ggbrr, wbur, wurbru, wgu, brb, urbbb, gburbww, wbrgruru, rbugr, gubw, wgwgg, rwr, ugw, gggg, gwrwrg, rrub, gbwgg, grg, uwuur, gbwbbb, guw, gbwbb, uwu, ruw, bwr, rwgub, rbw, ggbwr, u, gwu, rrurrb, gwgg, uugwrbr, brw, ugburg, rwu, wwu, wbr, ruwgr, gbwbur, rwgr, rwbww, rbgr, rgbub, rbbuw, ruu, bwgw, bbwg, ubr, gurr, wwr, wwwguu, gbw, ggw, gru, wug, rubwrbrr, wbrrrr, uru, wbgw, wgur, uurgg, bbb, rbwgwbur, wwbwur, bbgubw, gww, brg, ugu, rgrgw, wwrrgugu, rrrwuww, uwwrb, wrb, rrgg, wubgrrb, bwwgrbww, gbr, gwrwu, brgwwbu, urrwub, rbru, bwrgrr, brwuwrb, guuur, wb, bbrb, brww, wuwrww, bu, rgw, rwbwug, bbug, urrgr, bg, bgg, wbgwbgru, wbrru, uwbbr, wbg, gwwur, gur, ubwb, gubbb, bb, wrugr, grur, rb, uwubrg, bwgrw, gbug, g, wuwubgw, ubw, urgu, rrrg, uwg, bbww, uwgrug, ww, ggu, gwbuwu, rgggwgr, wugw, gbrrg, ugg, bwu, ubuur, uurrw, uwwug, bgww, ubg, rw, gwgbwrg, wuu, rbgbg, buwbur, rub, ugbwwrgu, gbww, wbw, gurbwu, bruw, rggrbrgw, wguwu, ubwbwr, ru, uwur, ggb, uurwg, wguubgr, wru, rbrbr, rbwr, wwwrbb, urww, rur, bru, bbbwrw, uwrwrr, ruww, ububbgr, rrb, bggrwg, bbr, wrwrb, bwgwrbg, grbuwg, gg, ubuurwg, uur, guguwb, rugurgbw, bbuwbb
wrbwgruugbbgwwurggwrgrrrurbgwbgggwbbgwgbrwggwur
bururbrguwurbguwrubbbbbuburuuuwbgbgrwggbugrwrwurwwbrb
wgwgwbwuggbbwbrbgrwwgwbrbwbrbggrrgburbubwwur
wguwuugubwggburwwbbbbwrgwbrwuubgbbrugrbrrbrrugwuwguwrwwwur
rubwururuggurrgbgrburbrgbuuuuurwgubbbrbuwwbgbwgwrb
rwrwguwuwgbruwurgbwbgrugwgrggwwrrgrbwrurrrrgbrgbbgwggwb
buggrbwwurwuwbwrrwgubuwgburrrwbwubugugwurrbwgwburwubuurwbb
ggwgwrrwbrbgggbubwgwgguurbwwwggbuwbrubuubrrwur
uugugbrwbbwuugwwuwugurbuugbrugrrgbwgugggrgggrgrur
bwrubgugbuugbwrwbbubbgbugbbgruubwrwgubwguubbbugu
wrgrwwgbgubrrwbbgbwuurgbbwrrgwrrwuugrgubwrgrwbwbbbwrgrbb
rwbwwwgrgbrbgwurwbwwrrguwbrbwgrubrubguwurg
rbggguwguwrbgbbruruwgguuwwwrwbugwbbbbrrwgwb
wburgubbbrbgugwurbgrrwgbbuggbrggbrbubrwbrrwur
wgwrwurgrbwgwwuwrgwwbubwbubwbubggwbwgbwwgr
bgbbbgwwgbggrububrubbwwwguruurbbwwububwugwwuburgwurgrwr
rugwgbugbwbbrbgbwrbgwgurbuuwbbwbwbwbguugruwbrrrugwwu
rwbgruguuurwbubwrbrbwwrwurguwuwbbgggrurbgbgbwwwggwu
ubwubgbbrgbbbbgwwurgbuwuubgurwrggrrrgrbbbgggbrbb
wuuruwbwubrwgwuurugbrbwgubruuwwurwgwrbrugwrrbuuuww
ugwgbwrggrwwuwbgwwrubwuubrbrbwgbbwgbubburuguwguww
grbguwwuwgrburgggguugubwwgwguuwbwuwuwgugwggggwurrubwgbbwrb
buwbuwubrrugrrurwrwwbbbrugurgwguwugwwbrurrwbrgrg
gwwgggurwbwggwwbwrrgwwgurubrubbrbuuruurwur
rruguggbrrgwgwgrwbwwwugrbrubgruugrgwgubrgwbubwbrw
grbbbwrrugwrwwurwguugugguwuwggruubrgubguuurubrgrrruwub
wwrwguwwurbwuwwrrwgwggbgwruugbbrgruubwrwur
bgbwwwbbubrugwgubbgbggburrwggbbggbrbgwrrrbrgurwur
gwbwurgrwwbrgrubwgruubbrugbruruwuwgrubugwg
uguugbrbuuugbwwrgubrwgwrgggwrrgbrrbwbuwwwwbgbuwurbrbr
ugbggbwuwrgwugurggrugbrgwbwwbgbrwugubgrwrbuuwgrurwgguugwwwur
uwrwuggbuwwbururwgbrggwgwubburwwggguwwrrggwu
grrwwwrugbwuubrggrwgrwuuuwgwrwrbugrrrwubgwggwbguurbw
rgbuuwbgwgwuwurrgwrgugruwgwbgggbuugugbbwwrwugwrurubwr
gwguwrwgbbruuwrbbubburwgrrrrrwburrwuwrwgwgwur
bgbbuuguggrgrwugruwrbuuuuurwgbwbbubwrrggwrbw
rwwurubruwuwbrbwugrwbgwwuwwuuwuwurwwgwbrwgubgrruuurugwgg
wbwguwbrruruuwubggrbggwggugurgwgbrbugbwwbrbwuguuugr
uguuwrrbrwugrwwbbuwwrgbrwgbwubbubgwwbuuwgrwuwggbwr
wguwwrbbggrugbwrugbububgurrubggbwwugubbubuuguggrwur
uuurbwwwguurrbrgrrrbwgbwuuuwurwbuwgurwguugwrwggb
urrgwwwbuuwrwugrurgwgggrgbwuugruruuwwubruwwbru
wugugbguguwugbwgrgbrugrwwgrbwrgwwubruwwrggggwur
brubbgbwubwugbrruwububuuwbbwbrugwrbbrrggrgwrugrrwbbrrub
gwwruubbrrbbrwuubrwrrgwuwrgbuuwgggbburgwurrwbuuuub
wbugwuwbbwwwggrwwbgwuggbwuuwwgwuwbrubwrgubwurwwrguur
urgrgwrurbwggguubwuuwrbbwrgggggugurgggbbwbbwgwuu
wwgubrruggbgrwbggwbrubwggbwuuuwbbrwgbgbbbrbwruwwwwurw
wuurrggguwwbgbgubugrbwgwgggrwbwgbubuwwbbrwbuurwgwguwgurwur
rgrggggggbwrrbgggguurbbbubugbururrgrrrbbgwugbwrbgubb
rbburbururrbrurrwgrwrruwubwbgrrurgrubuwwur
bgguburbbruwugrurubbubgbggwgbgrrgwgwbguguwgubrrgwrbrwur
rrrwrbgwwrubwuwurgrrwbruwuwbgwbuguurgbrbrgwur
rrgbbgrurgrgrbrwggbubbbubbwgbuuwwugbrwgwrgwbru
bwggrguguburbbrwurrbgrgbgwwrwrrrwuwgwgbggwrggubwbgubbwurbb
gbwuwwgggrgwbbrrbuuruwubwrubgubwwbgwbgrbgurbg
bbwgrbbgwurwbrgbggwbwgwurburbburgugurbbbwbbbggrbu
urwgrwgguuuwruuwrbuggggwurbrbgwrbwbggwur
wbgrurwuwgugbuwgrwrwbbgrbbburwggugugrrgbrbbwrbbrruuwgwur
ubbuggwrwrgggrugwuwwuwrgruwwbrwruuugwgrrurgurrrbbugbr
uuugrwugwuuwurgwbrgwgugrrwbrrwrbuururubguuwrbwugrbbrgwur
ubrwgrruuugwgbrgbgwgugrbwwurgbwrbgwuubbuwrbgwwwwur
gguubbgggggwwwwrrrbwwubggwuggubguuuubwwugrrrgguwrbwrwwrwur
bgwuuuggwgbbbgwugwuuuwububgurgbwbbwbuwrbuwgrgg
buwwrrurugrgbgbubuwbgwgurbrrguwuwwurwwgrurrwrbwggrrbrrgrg
urggwurbbubbrubrggwgbbwbuubgggbggrwbwrrwburubg
rbuurgbbrrgbuwwrwgurrbgbrurwgbbrrbgbwbgbbwwuwwb
ugbggurgguuurggguuubgurrgurbuwrrgbgwwgbwwbwwrgbggrwwrbrbrb
wbwbubbrwubwggwuugrgubbuguwgurruugrrbwbbuwbgb
ubuggruwrwgwbubuuuubuwwgwrbuurbuwgwgruwgrgrurwrrrwgwbuwg
bwuuwubuwrwbwbubwgbwwwbwubgugugrugwrrrwgwbgw
ruwurrbgbuwrwrbwrbguwbgrbrrubugbubbwugrrbgubggbrugw
wggrwwgwurbgggbgubgrwggwbwbrbggwwbrrurwbbguwurgb
bwbgbbuwwruggbgrrrbbwbgrbbuwuuuugbwgggwwwgbwbbbwubwu
wrrbgbbbguwgrwrrrgbbugrruuuwbgwgbgwurbbuwrugg
bggrbrgwgrurwgubgwwwwuwbbuururugwwrbrgrbubwwur
ubbwwrwrwurwgbwrwwggwgggburbgggbuwrwbbwrubrubgugbrwwuw
rbguwwbrgrrbbwuuwwgurbwbrwbbbuuubrwrggwwubbgrrwgrrwuwu
wurrurgbwbgbwbrrubbrggbwgbwrwbuubgrbuwuwrbgrgrbw
rrbgbrurwrwugbgwwrggbrgbwugurwrbwwrubugubwru
guwbrgbuuurrguurgugwgwwrwwbrgbgwwwgbbgguwwwur
gggbrwguwguwgwurrgurruuuubrruggwrgbubugurrbububgrw
ggrburwwubbwwrwgbgggurrbgggwgrrbrbbbbwugbwrbrwubur
bbbgrugwwgwggbruwrgwwbgrbbuubuguwbggwwugbuugwbwrubgguuwwg
guwgwbggruuwgrwgrbwgrrwurwgbgwwurgubrubgbuubrwwwuw
rguwrbbrbubuguurbgwburguwbwbwgwggbgwgwwuwubrwruu
uguggubuwrwrugrwwuuuguguwwrwrbgwbwbwwggurbbggbrbguwwgubwwur
bggwbuuwurgbwbrbwbbrrgwwgugrrugubbrbggbrrwug
bwrruwuguwwgbwwrrbbgrrrrrrgugbwwrrgbuuwuwrwr
bgwbugbuwwrwwrwburwwgbgbwubrbrwgbugrruuugbbbrgurbwub
ruguuwgbrrguuuwbbwwbgbgrbwgwgbwbwwrbruubrw
rguwwwggbrwbruuwwbubbbbgbbwgrwgwggggrggwbgg
ruwrugwwbuwbwwwbrwbggwburrwwururguruuguguwgrbu
bgugbrbgggbbwugwbwuurbubruwwbrbbbgrgwrgrgggrbwrg
wbrgrgbrwbwbrwuuwbrbbwrwrrwbgwggubrbrbwrrgrbuwwr
grwuwgugrwbgrgwwbwwbggwgrwrgubgrrruuburrurwwrwbrrggwgwwbgwur
ubwbwbrrbgrgwuuwgwubgggrgurwuwbrwggurrgrgurrwubrubbw
rbrgwuwggbbubruruuuubbggwrgurrwrwwuwrgguurr
urgurgubgrgubwgugwrbuugrwrgwbgwwwwubrwwbguggrrrrrb
grrurbuubrwguguurrbrguwrrggwwwgburgrrrwbgwwbbrwrwrwgwub
uruwwwbgbbbbggbbbbuwwgubburwwuugburguurwur
gwurgwwwrgrurgbbrrrwrbggbgrwgbrgugruruuwwgrgwwwwrwuwubugbu
rugguwwgwrruurwbgwuguuruuuwbgbgubbubrrrbgwbwwwwbbbb
wbbwgwrgbwwburuurgrugbwggrwbgrgubbrbwurggbggbwwwrgggbr
ugrrurbugbwwrguugwugggrrugwgururwbbubgbrwrwur
rugbrrbwbbrrwbrgwuwbgugggruuubburgbrbububrrbubwuurub
wgurrbuugubgwwbruubrrwbwwubbgrububguwgbrrwwuwuwuuw
ubrruwbuguurgbbrrrwuggbggwbrrgwgubgwbruugwuuurgubrbwugwwb
wuwrrbuwuwbburgwurwggwugggbgrwrwgburgurgbg
uwwburubuwrrubbuwgwbugwrwbgugwgbbggwbugbwuwwbruggwur
bgrubrbwruwuuuwwrgrwubrggbbgbuubbgugubrrburbgu
bgrgrgbugrurwburwbbrruwrwbburwbwbggguwburrrwuggurbbrbgrbu
bguwuggrguwbrgruuuguwwgrbgrwbuugwrbrbgburwbwwbwrb
wggbwwbwwwbbggggurbbwuubgrbrgbbrrwuuwburrugwwubgru
rbgburuuggwwwguwwrbrggbrwuwgbrgbrwwbgrugwuubguwbu
gbrbuububuububrbgrgwurbbwbuugwbrwrururgugwgbwwgggbbgbwurgwur
ruurwgwggwbbwrbgrrurguwgwwrurgrgggrgguubgguwuwrw
uwbubgwguuubbbgbrrgwwrbbrururwgurrgbbrbgubwwgbgwuguuwurub
wrwrugugguwbuwwwwgrwrbgrbwuwburbbwwgubugwuguwuwwur
urbrbwwuggwurgwbrrbgrbwrbugbugbbbwuuguwrrwurrwur
rbrbubrrruggbrrwrwbruwburrwuwgwrrwgubbgguug
gubrurwwgwwuwbrrgurggrgbwwrrgbbruurgbuubrwgr
bbrwuugubuugwwwwgbrgubbbrgbrrguwrggrurrwgbrggbugbbwwbwrrgu
uugbbwwwgwgurgggrugubgbrwwrwrwrrurugrwwur
guwgwbwgrbwbrrwrbugbbwuugwbbwgwwbrwrwubbbrb
bbbrurugrugbwuguuwwrgbrbwbwwuwwbrwbrwurgbgbggrgruuuru
ubuubgbgbuwugugurbbwuubrrgbwwubuggwbururggrrrgr
ubgwwbgurbruggwwrubwggubbuubggbggbwwwwwwgubwgu
gburuwbbrrrbwwbgbugugguugbbbwbubbguwrbrgbbgwgburrugr
gbgwbgruwrgwrrurwuugrwugruwrgubwbrrbugubugugbbwu
burbubrgbwgrwwrwbbrbuururggwbwubugrwruruuwbuuggrwbgb
bbbwgubrburwbubwwbruubguugrgwrgguuruubbwbb
guwggggrgrrugrbbrwururugbbrwrurwgbwgrrrguwwrrbbbwuwuug
bgwrrrgwruwrbbuwgbrugruugwrrrugwwuubbugubbubgggubrrrwwg
bbgbrwrwrbwbbrgwwgbugugugrrbwbbbbrbgguwrbugrbwgwrbru
rrbwwggrgwurbuwbwbggbrrbggurugwgubgggbrrbwwrugrwgurbugur
ggburugbwruugbburgrbugrgrwbbwbruubgubgbgubugubbbgrrbrgrg
rwuwrgbwgwubwubrrbgbrrbwrrwgugwgguubbrbbwguwwwwur
wuwwgbbbwrgwrrbrrgwbwwubbwrwrrrwwuuburuubwbuubuwwbbgg
wbbgwrgbrbubwggbuwwuwwggrugwwrugrgwuubbwuugrggbbrgubwrrgu
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128
2024/go/day20/day20.go Normal file
View File

@@ -0,0 +1,128 @@
package day20
import (
"adventofcode2024/utils/dijkstra"
"adventofcode2024/utils/grid2d"
"adventofcode2024/utils/inputs"
"fmt"
)
type (
Vec struct{ x, y int }
Dir struct{ x, y int }
Cell rune
Move struct {
p Vec
d Dir
}
Maze struct {
height, width int
start Vec
end Vec
grid *grid2d.Grid[Cell]
}
)
const (
WALL Cell = '#'
CORRIDOR Cell = '.'
START Cell = 'S'
END Cell = 'E'
PATH Cell = '*'
)
var (
NORTH = Dir{0, -1}
EAST = Dir{1, 0}
SOUTH = Dir{0, 1}
WEST = Dir{-1, 0}
DIRECTIONS = []Dir{NORTH, EAST, SOUTH, WEST}
)
func Part1(input string) int {
maze := Maze{}.Parse(input)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
path, dist := dijkstra.GetShortestPath(data.From, data.To, graph)
for _, p := range path {
maze.grid.Set(p.X, p.Y, PATH)
}
fmt.Println(maze)
return dist
}
func Part2(input string) int {
maze := Maze{}.Parse(input)
fmt.Println(maze)
data := inputGraph(*maze)
graph := dijkstra.CreateGraph(data)
_, count := dijkstra.GetShortestPath(data.From, data.To, graph)
return count
}
func inputGraph(maze Maze) dijkstra.InputGraph {
data := dijkstra.InputGraph{}
data.From = dijkstra.Point{X: maze.start.x, Y: maze.start.y}
data.To = dijkstra.Point{X: maze.end.x, Y: maze.end.y}
for y := 0; y < maze.height; y++ {
for x := 0; x < maze.width; x++ {
if maze.grid.Get(x, y) == WALL {
continue
}
for _, dir := range DIRECTIONS {
nx, ny := x+dir.x, y+dir.y
if nx < 0 || ny < 0 || nx >= maze.width || ny >= maze.height {
continue
}
if maze.grid.Get(nx, ny) == WALL {
continue
}
data.Graph = append(data.Graph, dijkstra.InputData{
Source: dijkstra.Point{X: x, Y: y},
Destination: dijkstra.Point{X: nx, Y: ny},
Weight: 1,
})
}
}
}
return data
}
func (m Maze) Parse(input string) *Maze {
m.grid = inputs.ToGrid2D(input, "\n", "", '?', func(c string) Cell { return Cell(c[0]) })
m.height, m.width = m.grid.SizeY(), m.grid.SizeX()
for y := 0; y < m.height; y++ {
for x := 0; x < m.width; x++ {
c := m.grid.Get(x, y)
switch c {
case WALL, CORRIDOR:
m.grid.Set(x, y, c)
case START:
m.grid.Set(x, y, CORRIDOR)
m.start = Vec{x, y}
case END:
m.grid.Set(x, y, CORRIDOR)
m.end = Vec{x, y}
}
}
}
return &m
}
func (m *Maze) String() string {
s := ""
for y := 0; y < m.height; y++ {
for x := 0; x < m.width; x++ {
if y == m.start.y && x == m.start.x {
s += string(START)
} else if y == m.end.y && x == m.end.x {
s += string(END)
} else {
s += string(m.grid.Get(x, y))
}
}
s += "\n"
}
return s
}

View File

@@ -0,0 +1,31 @@
package day20
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPart1(t *testing.T) {
r := Part1(`###############
#...#...#.....#
#.#.#.#.#.###.#
#S#...#.#.#...#
#######.#.#.###
#######.#.#...#
#######.#.###.#
###..E#...#...#
###.#######.###
#...###...#...#
#.#####.#.###.#
#.#...#.#.#...#
#.#.#.#.#.#.###
#...#...#...###
###############`)
require.Equal(t, 100, r)
}
func TestPart2(t *testing.T) {
r := Part2("")
require.Equal(t, 0, r)
}

141
2024/go/day20/input.txt Normal file
View File

@@ -0,0 +1,141 @@
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#.#.#.....#.#.#.###...###...#...###...#.....#...#...#...#.###...#...#.......#.#...#.......#.#.....#.#...#...............#.......#.....###...#
#.#.#.#####.#.#.###########.###.###.#.#########.###.###.#.#####.#.#.#######.#.###.#.#####.#.#.#####.#.#.###############.#.###########.#######
#.#.#...#...#.#.....#...#...#...#...#.#...#.....#...###.#.#.....#.#.#...#...#...#...#...#.#.#...#...#.#.#.......#.....#.#...#...#...#...#...#
#.#.###.#.###.#####.#.#.#.###.###.###.#.#.#.#####.#####.#.#.#####.#.#.#.#.#####.#####.#.#.#.###.#.###.#.#.#####.#.###.#.###.#.#.#.#.###.#.#.#
#...#...#...#.#...#.#.#...#...###...#...#...#...#...#...#.#.#...#.#.#.#.#.....#...#...#...#...#.#...#.#.#.....#.#...#...#...#.#.#.#.#...#.#.#
#####.#####.#.#.#.#.#.#####.#######.#########.#.###.#.###.#.#.#.#.#.#.#.#####.###.#.#########.#.###.#.#.#####.#.###.#####.###.#.#.#.#.###.#.#
#...#...#...#.#.#...#.#...#.###.....#...#.....#.#...#...#.#...#...#...#.#...#.###.#.....#####...###.#.#.......#.#...#.....#...#.#.#.#.....#.#
#.#.###.#.###.#.#####.#.#.#.###.#####.#.#.#####.#.#####.#.#############.#.#.#.###.#####.###########.#.#########.#.###.#####.###.#.#.#######.#
#.#.....#...#.#.#.....#.#.#...#...#...#...#.....#...###.#.###...........#.#...#...#...#...#...#.....#.........#.#.###.....#.###.#.#.#...#...#
#.#########.#.#.#.#####.#.###.###.#.#######.#######.###.#.###.###########.#####.###.#.###.#.#.#.#############.#.#.#######.#.###.#.#.#.#.#.###
#.#...#...#.#.#.#...#...#...#...#.#.#.......#...#...#...#.#...#...#...#...#.....#...#...#...#.#...#...#...#...#.#.#.......#...#.#.#.#.#.#...#
#.#.#.#.#.#.#.#.###.#.#####.###.#.#.#.#######.#.#.###.###.#.###.#.#.#.#.###.#####.#####.#####.###.#.#.#.#.#.###.#.#.#########.#.#.#.#.#.###.#
#...#...#...#...###...#####.....#...#.........#...###.....#.....#...#...###.......#####.......###...#...#...###...#...........#...#...#.....#
#############################################################################################################################################

View File

@@ -2,11 +2,17 @@ module adventofcode2024
go 1.19
require golang.org/x/exp v0.0.0-20221208152030-732eee02a75a
require (
github.com/deckarep/golang-set/v2 v2.7.0
github.com/luxedo/esb_fireplace-go v0.3.0
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
)
require github.com/spf13/pflag v1.0.5 // indirect
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/stretchr/testify v1.10.0 // indirect
github.com/stretchr/testify v1.10.0 // direct
gopkg.in/yaml.v3 v3.0.1 // indirect
)

View File

@@ -1,11 +1,18 @@
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/deckarep/golang-set/v2 v2.7.0 h1:gIloKvD7yH2oip4VLhsv3JyLLFnC0Y2mlusgcvJYW5k=
github.com/deckarep/golang-set/v2 v2.7.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
github.com/luxedo/esb_fireplace-go v0.3.0 h1:zhpWG9AJfWEzqiaYsPjlBAwIMa1IF1gWoQoM4zvdLxI=
github.com/luxedo/esb_fireplace-go v0.3.0/go.mod h1:L8zIvYDHIKTHc3g3VACvjS0qBHvKmt31KRjWLP5ftkU=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
golang.org/x/exp v0.0.0-20221208152030-732eee02a75a h1:4iLhBPcpqFmylhnkbY3W0ONLUYYkDAW9xMFLfxgsvCw=
golang.org/x/exp v0.0.0-20221208152030-732eee02a75a/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@@ -2,23 +2,39 @@ package main
import (
"fmt"
"time"
// "math/rand"
"os"
// "strings"
// "time"
"adventofcode2024/utils"
"adventofcode2024/day01"
"adventofcode2024/day02"
"adventofcode2024/day03"
"adventofcode2024/day04"
"adventofcode2024/day06"
"adventofcode2024/day07"
"adventofcode2024/day08"
"adventofcode2024/day09"
"adventofcode2024/day10"
"adventofcode2024/day11"
"adventofcode2024/day12"
"adventofcode2024/day13"
"adventofcode2024/day14"
"adventofcode2024/day15"
"adventofcode2024/day16"
"adventofcode2024/day17"
"adventofcode2024/day18"
"adventofcode2024/day19"
"adventofcode2024/utils"
)
// Usage: go run main.go <NN>
// assumes input is in day<NN>/input.txt
func main() {
d := day()
fmt.Printf("Running day %02d\n", d)
start := time.Now()
switch d {
case 1:
fmt.Printf("part 1: %d\n", day01.Part1(utils.Readfile(d)))
@@ -32,14 +48,58 @@ func main() {
case 4:
fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
case 6:
fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))
case 7:
fmt.Printf("part 1: %d\n", day07.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day07.Part2(utils.Readfile(d)))
case 8:
fmt.Printf("part 1: %d\n", day08.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day08.Part2(utils.Readfile(d)))
case 9:
fmt.Printf("part 1: %d\n", day09.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day09.Part2(utils.Readfile(d)))
case 10:
fmt.Printf("part 1: %d\n", day10.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day10.Part2(utils.Readfile(d)))
case 11:
fmt.Printf("part 1: %d\n", day11.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day11.Part2(utils.Readfile(d)))
case 12:
fmt.Printf("part 1: %d\n", day12.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day12.Part2(utils.Readfile(d)))
case 13:
fmt.Printf("part 1: %d\n", day13.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day13.Part2(utils.Readfile(d)))
case 14:
fmt.Printf("part 1: %d\n", day14.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day14.Part2(utils.Readfile(d)))
case 15:
fmt.Printf("part 1: %d\n", day15.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day15.Part2(utils.Readfile(d)))
case 16:
fmt.Printf("part 1: %d\n", day16.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day16.Part2(utils.Readfile(d)))
case 17:
fmt.Printf("part 1: %s\n", day17.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day17.Part2(utils.Readfile(d)))
case 18:
fmt.Printf("part 1: %d\n", day18.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day18.Part2(utils.Readfile(d)))
case 19:
fmt.Printf("part 1: %d\n", day19.Part1(utils.Readfile(d)))
fmt.Printf("part 2: %d\n", day19.Part2(utils.Readfile(d)))
default:
panic(fmt.Errorf("no such day: %d", d))
}
elapsed := time.Since(start)
fmt.Printf("Execution time: %s\n", elapsed)
}
// Reads day from os.Args.
func day() int {
latest := 3
latest := 19
if len(os.Args) == 1 {
return latest
}
@@ -52,7 +112,6 @@ func day() int {
return day
}
func genNext(n int) {
os.Mkdir(fmt.Sprintf("day%02d", n), 0755)
f, err := os.Create(fmt.Sprintf("day%02d/day%02d.go", n, n))

View File

@@ -0,0 +1,242 @@
package dijkstra
import (
"fmt"
"math"
"sync"
)
type ItemGraph struct {
Nodes []*Node
Edges map[Node][]*Edge
lock sync.RWMutex
}
// AddNode adds a node to the graph
func (g *ItemGraph) AddNode(n *Node) {
g.lock.Lock()
g.Nodes = append(g.Nodes, n)
g.lock.Unlock()
}
// AddEdge adds an edge to the graph
func (g *ItemGraph) AddEdge(n1, n2 *Node, weight int) {
g.lock.Lock()
if g.Edges == nil {
g.Edges = make(map[Node][]*Edge)
}
ed1 := Edge{
Node: n2,
Weight: weight,
}
ed2 := Edge{
Node: n1,
Weight: weight,
}
g.Edges[*n1] = append(g.Edges[*n1], &ed1)
g.Edges[*n2] = append(g.Edges[*n2], &ed2)
g.lock.Unlock()
}
// dijkstra implement
func getShortestPath(startNode *Node, endNode *Node, g *ItemGraph) ([]Point, int) {
visited := make(map[Point]bool)
dist := make(map[Point]int)
prev := make(map[Point]Point)
//pq := make(PriorityQueue, 1)
//heap.Init(&pq)
q := NodeQueue{}
pq := q.NewQ()
start := Vertex{
Node: startNode,
Distance: 0,
}
for _, nval := range g.Nodes {
dist[nval.Value] = math.MaxInt64
}
dist[startNode.Value] = start.Distance
pq.Enqueue(start)
//im := 0
for !pq.IsEmpty() {
v := pq.Dequeue()
if visited[v.Node.Value] {
continue
}
visited[v.Node.Value] = true
near := g.Edges[*v.Node]
for _, val := range near {
if !visited[val.Node.Value] {
if dist[v.Node.Value]+val.Weight < dist[val.Node.Value] {
store := Vertex{
Node: val.Node,
Distance: dist[v.Node.Value] + val.Weight,
}
dist[val.Node.Value] = dist[v.Node.Value] + val.Weight
//prev[val.Node.Value] = fmt.Sprintf("->%s", v.Node.Value)
prev[val.Node.Value] = v.Node.Value
pq.Enqueue(store)
}
//visited[val.Node.value] = true
}
}
}
// fmt.Println(dist)
// fmt.Println(prev)
pathval := prev[endNode.Value]
var finalArr []Point
finalArr = append(finalArr, endNode.Value)
for pathval != startNode.Value {
finalArr = append(finalArr, pathval)
pathval = prev[pathval]
}
finalArr = append(finalArr, pathval)
fmt.Println(finalArr)
for i, j := 0, len(finalArr)-1; i < j; i, j = i+1, j-1 {
finalArr[i], finalArr[j] = finalArr[j], finalArr[i]
}
return finalArr, dist[endNode.Value]
}
func getAllShortestPaths(startNode *Node, endNode *Node, g *ItemGraph) ([][]Point, int) {
visited := make(map[Point]bool)
dist := make(map[Point]int)
prev := make(map[Point][]Point) // Store multiple predecessors for each node
q := NodeQueue{}
pq := q.NewQ()
start := Vertex{
Node: startNode,
Distance: 0,
}
for _, n := range g.Nodes {
dist[n.Value] = math.MaxInt64
}
dist[startNode.Value] = start.Distance
pq.Enqueue(start)
// Perform Dijkstra's algorithm
for !pq.IsEmpty() {
v := pq.Dequeue()
if visited[v.Node.Value] {
continue
}
visited[v.Node.Value] = true
near := g.Edges[*v.Node]
for _, edge := range near {
alt := dist[v.Node.Value] + edge.Weight
// Case 1: Found a shorter path
if alt < dist[edge.Node.Value] {
dist[edge.Node.Value] = alt
prev[edge.Node.Value] = []Point{v.Node.Value} // Reset predecessors
pq.Enqueue(Vertex{
Node: edge.Node,
Distance: alt,
})
}
// Case 2: Found an equally short path
if alt == dist[edge.Node.Value] {
// Add the current node as a valid predecessor if not already present
found := false
for _, p := range prev[edge.Node.Value] {
if p == v.Node.Value {
found = true
break
}
}
if !found {
prev[edge.Node.Value] = append(prev[edge.Node.Value], v.Node.Value)
}
}
}
}
// Iteratively reconstruct all paths
var paths [][]Point
stack := []struct {
node Point
path []Point
}{
{node: endNode.Value, path: []Point{}},
}
for len(stack) > 0 {
// Pop the top item from the stack
current := stack[len(stack)-1]
stack = stack[:len(stack)-1]
// Prepend the current node to the path
newPath := append([]Point{current.node}, current.path...)
// If we've reached the start node, save the path
if current.node.X == startNode.Value.X && current.node.Y == startNode.Value.Y {
paths = append(paths, newPath)
continue
}
// Push all predecessors onto the stack
for _, predecessor := range prev[current.node] {
if !Contains(newPath, predecessor) {
stack = append(stack, struct {
node Point
path []Point
}{
node: predecessor,
path: newPath,
})
}
}
}
return paths, dist[endNode.Value]
}
func Contains(slice []Point, value Point) bool {
for _, v := range slice {
if v == value { // Compare values
return true
}
}
return false
}
func CreateGraph(data InputGraph) *ItemGraph {
var g ItemGraph
nodes := make(map[Point]*Node)
for _, v := range data.Graph {
if _, found := nodes[v.Source]; !found {
nA := Node{v.Source}
nodes[v.Source] = &nA
g.AddNode(&nA)
}
if _, found := nodes[v.Destination]; !found {
nA := Node{v.Destination}
nodes[v.Destination] = &nA
g.AddNode(&nA)
}
g.AddEdge(nodes[v.Source], nodes[v.Destination], v.Weight)
}
return &g
}
func GetShortestPath(from, to Point, g *ItemGraph) ([]Point, int) {
nA := &Node{from}
nB := &Node{to}
path, distance := getShortestPath(nA, nB, g)
return path, distance
}
func GetAllShortestPaths(from, to Point, g *ItemGraph) ([][]Point, int) {
nA := &Node{from}
nB := &Node{to}
paths, distance := getAllShortestPaths(nA, nB, g)
return paths, distance
}

View File

@@ -0,0 +1,35 @@
package dijkstra
type Point struct {
X int
Y int
Label string
}
type Node struct {
Value Point
}
type Edge struct {
Node *Node
Weight int
}
type Vertex struct {
Node *Node
Distance int
}
type PriorityQueue []*Vertex
type InputGraph struct {
Graph []InputData
From Point
To Point
}
type InputData struct {
Source Point
Destination Point
Weight int
}

View File

@@ -0,0 +1,65 @@
package dijkstra
import "sync"
type NodeQueue struct {
Items []Vertex
lock sync.RWMutex
}
// Enqueue adds an Node to the end of the queue
func (s *NodeQueue) Enqueue(t Vertex) {
s.lock.Lock()
defer s.lock.Unlock()
if len(s.Items) == 0 {
s.Items = append(s.Items, t)
return
}
var insertFlag bool
for k, v := range s.Items {
// add vertex distance less than travers's vertex distance
if t.Distance < v.Distance {
s.Items = append(s.Items[:k+1], s.Items[k:]...)
s.Items[k] = t
insertFlag = true
}
if insertFlag {
break
}
}
if !insertFlag {
s.Items = append(s.Items, t)
}
}
// Dequeue removes an Node from the start of the queue
func (s *NodeQueue) Dequeue() *Vertex {
s.lock.Lock()
defer s.lock.Unlock()
item := s.Items[0]
s.Items = s.Items[1:len(s.Items)]
return &item
}
//NewQ Creates New Queue
func (s *NodeQueue) NewQ() *NodeQueue {
s.lock.Lock()
defer s.lock.Unlock()
s.Items = []Vertex{}
return s
}
// IsEmpty returns true if the queue is empty
func (s *NodeQueue) IsEmpty() bool {
s.lock.RLock()
defer s.lock.RUnlock()
return len(s.Items) == 0
}
// Size returns the number of Nodes in the queue
func (s *NodeQueue) Size() int {
s.lock.RLock()
defer s.lock.RUnlock()
return len(s.Items)
}