diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..d392f0e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +*.jar diff --git a/day2/day2.kt b/day2/day2.kt new file mode 100644 index 0000000..a54d699 --- /dev/null +++ b/day2/day2.kt @@ -0,0 +1,88 @@ +import java.io.File + +typealias Round = List + +typealias Pull = Pair + +enum class Color { + RED, + GREEN, + BLUE +} + +fun main() { + val input = File("input") + val games = input.useLines { it.map { Game.fromLine(it) }.toList() } + + println(games.filter { it.isValid() }.map { it.id }.sum()) + println( + games + .map { + val min = it.minimumCubes() + min.first.second * min.second.second * min.third.second + } + .sum() + ) +} + +data class Game(val id: Int, val rounds: List) { + fun isValid(): Boolean { + return this.rounds.all { + it.all { + when (it.first) { + Color.RED -> it.second <= 12 + Color.GREEN -> it.second <= 13 + Color.BLUE -> it.second <= 14 + } + } + } + } + + fun minimumCubes(): Triple { + return this.rounds.fold( + Triple(Pair(Color.RED, 0), Pair(Color.GREEN, 0), Pair(Color.BLUE, 0)) + ) { acc, next -> + next.fold(acc) { mins, pull -> + when { + pull.first == Color.RED && mins.first.second < pull.second -> + Triple(pull, mins.second, mins.third) + pull.first == Color.GREEN && mins.second.second < pull.second -> + Triple(mins.first, pull, mins.third) + pull.first == Color.BLUE && mins.third.second < pull.second -> + Triple(mins.first, mins.second, pull) + else -> mins + } + } + } + } + + companion object { + fun fromLine(line: String): Game { + val (name, game) = line.split(": ") + val id = name.split(" ")[1].toInt() + + val rounds = + game.split("; ").map { + it.split(", ").map { + val pull = it.split(" ") + + val color = + when (pull.last()) { + "red" -> Color.RED + "green" -> Color.GREEN + "blue" -> Color.BLUE + else -> + throw Exception( + "Invalid ball color: ${pull.last()}" + ) + } + val number = pull.first().toInt() + + Pair(color, number) + } + } + + return Game(id, rounds) + } + } +} diff --git a/day2/input b/day2/input new file mode 100644 index 0000000..e0ad712 --- /dev/null +++ b/day2/input @@ -0,0 +1,100 @@ +Game 1: 3 blue, 7 green, 10 red; 4 green, 4 red; 1 green, 7 blue, 5 red; 8 blue, 10 red; 7 blue, 19 red, 1 green +Game 2: 6 red, 10 green; 11 green, 4 red; 16 green, 2 blue; 7 green, 5 blue, 4 red; 17 green, 1 red, 1 blue +Game 3: 5 red, 9 blue, 1 green; 5 red; 11 red, 2 green, 8 blue; 2 green, 6 blue +Game 4: 2 red, 5 green; 2 blue, 3 red, 3 green; 3 red, 2 blue; 8 green, 2 red +Game 5: 12 red, 13 blue; 13 blue, 2 green, 9 red; 9 blue, 1 red; 2 green, 12 blue; 1 green, 1 red, 11 blue +Game 6: 4 blue, 11 red; 4 red; 1 green, 7 red; 1 green, 1 blue; 8 blue, 10 red; 1 green, 2 blue, 8 red +Game 7: 7 blue, 15 red, 1 green; 5 green, 17 red, 7 blue; 5 blue, 1 green; 11 blue, 2 green, 17 red; 14 green, 9 red, 2 blue; 6 blue, 19 red +Game 8: 13 green; 5 green; 3 blue, 9 green, 1 red; 4 red, 11 green, 4 blue +Game 9: 4 green, 1 red, 1 blue; 4 green, 7 blue, 7 red; 9 blue, 4 red; 2 blue, 8 red, 5 green; 6 blue, 2 green; 5 red, 5 green, 10 blue +Game 10: 1 green, 5 blue, 3 red; 4 green, 9 red, 3 blue; 11 red, 2 green, 5 blue; 3 green, 1 blue, 2 red; 6 red, 2 blue +Game 11: 2 red, 6 green, 12 blue; 2 red, 9 blue, 1 green; 12 green, 3 blue +Game 12: 1 red, 1 blue, 12 green; 6 green, 2 red, 1 blue; 6 red, 6 green, 1 blue; 3 green, 6 red +Game 13: 5 red, 19 green, 3 blue; 6 red, 7 blue, 11 green; 8 blue, 6 red; 3 blue, 4 green, 4 red; 8 red, 15 green, 5 blue; 5 blue, 2 red, 10 green +Game 14: 5 blue, 9 green; 4 green, 6 blue; 14 green, 1 red, 4 blue; 3 blue, 3 green; 2 green; 5 blue, 7 green, 1 red +Game 15: 5 red, 8 blue; 9 blue, 3 red; 5 red, 1 green, 16 blue; 1 blue, 3 red, 2 green; 5 red, 2 green, 10 blue +Game 16: 6 blue, 9 green, 10 red; 8 blue, 9 red, 14 green; 7 green, 1 blue, 1 red; 8 red, 5 green, 8 blue; 10 red, 5 blue, 14 green; 7 blue, 11 red, 3 green +Game 17: 12 blue, 12 red, 6 green; 14 green, 17 blue, 4 red; 11 blue, 1 red, 13 green +Game 18: 7 blue, 2 green, 4 red; 1 blue, 2 green, 4 red; 2 red, 17 blue +Game 19: 3 red, 9 green; 8 red, 2 blue, 2 green; 3 blue, 15 green, 11 red; 18 green, 3 red, 1 blue +Game 20: 5 green, 5 red, 16 blue; 8 blue, 6 green, 4 red; 10 red, 11 blue; 5 red, 5 blue, 5 green +Game 21: 1 red, 3 blue, 14 green; 6 red, 6 blue, 17 green; 12 green, 17 blue, 3 red; 15 green, 1 red, 19 blue; 3 red, 18 blue, 4 green +Game 22: 15 blue; 11 blue, 2 red, 1 green; 1 green, 7 red; 1 red, 18 blue, 1 green; 16 blue; 3 red, 6 blue +Game 23: 11 blue, 6 green, 4 red; 9 green, 11 red, 8 blue; 5 green, 5 red, 2 blue; 11 green, 4 blue, 11 red; 3 green, 9 blue, 2 red +Game 24: 7 green, 2 red; 8 red, 1 blue, 15 green; 3 red, 6 green, 6 blue +Game 25: 9 blue, 9 green; 3 green, 7 blue, 1 red; 6 green, 1 red, 1 blue; 6 green, 1 red, 1 blue +Game 26: 1 green, 15 blue, 1 red; 1 red, 12 blue, 1 green; 16 blue; 5 red, 11 green, 14 blue; 6 green, 4 red, 14 blue +Game 27: 14 red, 9 green; 11 red, 5 green, 6 blue; 1 red, 6 blue, 9 green +Game 28: 6 green, 1 blue, 9 red; 1 green, 9 red; 7 red; 11 red, 1 blue, 2 green; 8 red, 10 green; 6 green, 1 blue, 5 red +Game 29: 1 red, 19 blue, 3 green; 9 blue, 1 red; 8 green, 17 blue; 11 blue, 4 green +Game 30: 7 blue; 5 blue, 1 red, 1 green; 3 blue, 1 red +Game 31: 9 red, 2 green, 1 blue; 5 red, 1 green, 3 blue; 2 green, 7 red; 2 green, 12 red +Game 32: 1 red, 1 blue, 17 green; 14 blue, 10 green, 6 red; 12 green, 11 blue, 3 red +Game 33: 2 red, 1 green, 3 blue; 7 blue, 4 green; 1 red, 3 green, 5 blue +Game 34: 9 blue, 1 green, 9 red; 12 blue, 2 green, 12 red; 3 blue, 12 red; 2 green, 14 blue, 11 red; 10 red, 12 blue +Game 35: 6 blue, 2 red; 5 blue; 6 green, 9 blue, 3 red; 3 green, 1 red, 2 blue +Game 36: 9 blue, 4 green, 6 red; 2 red, 4 green; 7 red, 3 green; 6 green, 2 blue; 3 red, 4 blue, 3 green; 3 green, 4 red, 16 blue +Game 37: 2 green, 8 red, 4 blue; 3 red, 4 blue, 2 green; 5 blue, 3 green; 9 blue, 15 green; 5 red, 11 green, 7 blue +Game 38: 12 red, 1 blue; 10 red, 3 green, 2 blue; 7 blue, 3 green, 8 red; 14 red, 2 green +Game 39: 16 green, 2 red, 17 blue; 6 red, 4 green, 13 blue; 7 blue, 1 green, 4 red; 2 green, 3 blue; 12 green, 6 red, 17 blue; 5 red, 2 blue, 6 green +Game 40: 3 green, 4 blue, 2 red; 2 green, 3 red; 6 blue, 2 red, 6 green; 5 green; 3 blue, 1 red, 5 green +Game 41: 13 green, 11 red; 3 green, 2 red, 1 blue; 1 blue, 3 green, 9 red; 12 red, 11 green; 9 red, 1 green; 9 green, 4 red +Game 42: 4 green, 2 blue; 6 blue, 10 green; 13 blue, 3 red, 6 green; 11 blue, 17 green; 8 blue, 5 red +Game 43: 10 green, 2 blue, 10 red; 3 red, 3 blue, 5 green; 10 green, 11 red, 4 blue; 5 green; 7 green, 13 red, 2 blue +Game 44: 4 red, 1 blue, 5 green; 1 blue, 8 red, 3 green; 11 red, 1 green, 1 blue; 2 green, 12 red, 1 blue; 1 blue, 12 red; 14 red, 3 green +Game 45: 4 green, 5 red, 7 blue; 10 red, 8 green, 3 blue; 12 blue, 1 green, 13 red; 1 red, 3 blue, 7 green +Game 46: 5 blue, 13 red; 15 red, 3 green, 17 blue; 8 red, 2 green, 1 blue; 1 green, 7 red, 16 blue; 4 blue, 10 red +Game 47: 2 red, 3 green; 2 blue, 9 red, 15 green; 7 green, 4 red; 3 blue, 13 red, 9 green +Game 48: 11 green, 4 red, 9 blue; 1 blue, 7 green; 4 blue, 4 red; 4 red, 4 blue, 2 green; 9 green, 2 blue, 2 red +Game 49: 10 green, 6 blue; 2 blue, 5 green, 1 red; 5 green, 4 blue; 11 green, 3 red, 3 blue +Game 50: 2 red, 15 green, 1 blue; 8 green, 7 blue; 4 blue, 8 green; 7 blue, 17 green; 5 blue, 6 green, 2 red; 16 green, 2 red, 1 blue +Game 51: 3 green, 5 blue, 1 red; 11 red, 9 blue, 8 green; 3 red, 8 green, 7 blue; 1 red, 9 blue, 6 green; 4 green, 1 red, 3 blue; 8 green, 7 red +Game 52: 1 green, 2 blue, 10 red; 8 green, 1 blue, 2 red; 7 red, 8 green +Game 53: 2 red, 6 green; 1 green, 4 blue; 12 green, 19 blue; 11 blue, 1 green; 4 green, 20 blue; 7 blue, 9 green, 1 red +Game 54: 2 blue, 2 green, 2 red; 13 red, 1 green, 6 blue; 9 blue, 1 green, 18 red; 11 red, 16 blue; 15 red, 3 green, 13 blue +Game 55: 5 green, 5 blue, 9 red; 8 red, 11 blue, 7 green; 6 green, 2 red, 10 blue; 6 red, 6 blue, 9 green; 11 green, 14 blue, 4 red +Game 56: 8 blue, 14 green; 3 red, 8 green, 3 blue; 14 green, 1 red, 13 blue; 8 green, 3 red; 8 blue, 11 green, 1 red; 8 blue, 10 green, 2 red +Game 57: 7 blue, 7 red; 11 green, 5 blue, 2 red; 14 green, 8 blue; 5 blue, 2 red, 17 green; 12 green, 3 red; 7 red, 7 blue, 9 green +Game 58: 3 blue, 4 red, 1 green; 2 green, 3 red; 1 red, 2 green, 4 blue; 4 green, 4 red, 2 blue +Game 59: 6 red, 4 blue, 5 green; 6 blue, 6 red; 1 red; 8 blue, 1 red +Game 60: 4 blue, 9 green, 11 red; 12 green, 3 red, 9 blue; 7 green, 1 blue; 14 green, 11 blue, 11 red +Game 61: 12 green; 9 green, 9 red; 12 red, 18 blue, 8 green; 16 red, 10 blue, 3 green; 6 green, 15 red, 3 blue; 13 green +Game 62: 2 green, 3 red, 12 blue; 12 blue, 12 green, 12 red; 1 red, 12 blue, 5 green; 7 red, 9 blue, 13 green; 1 blue, 3 red, 10 green; 2 blue, 8 red, 17 green +Game 63: 10 green, 7 blue, 4 red; 3 blue, 6 green, 2 red; 4 green, 10 red, 6 blue; 16 blue, 5 red, 4 green +Game 64: 11 red, 1 green, 6 blue; 12 red, 3 green; 6 green, 5 blue, 2 red; 4 green, 9 blue, 11 red; 5 blue, 8 green, 8 red; 9 green, 11 blue +Game 65: 4 blue, 12 red; 1 green, 3 blue, 12 red; 1 green, 3 blue, 13 red; 2 red; 12 red +Game 66: 4 red, 3 green, 3 blue; 2 blue, 4 red; 10 red, 6 blue, 3 green +Game 67: 7 red, 2 blue, 5 green; 3 green, 5 red, 18 blue; 16 red, 5 green, 13 blue; 16 red, 5 blue, 2 green +Game 68: 11 blue, 2 red; 1 green, 3 blue, 8 red; 16 red, 1 green, 17 blue; 4 red, 1 green, 11 blue; 3 red +Game 69: 1 green, 9 red, 12 blue; 12 red; 11 blue; 1 green +Game 70: 1 green, 18 blue, 16 red; 3 green, 15 red, 7 blue; 3 blue, 3 green, 10 red; 1 blue, 3 green, 10 red +Game 71: 3 red, 12 blue, 8 green; 18 green, 12 blue, 5 red; 2 blue, 7 red; 11 blue, 9 green; 5 blue, 7 red, 19 green; 2 red, 1 blue, 13 green +Game 72: 8 red, 6 blue, 3 green; 2 green, 13 blue, 15 red; 5 green, 8 blue, 2 red; 5 red, 12 blue, 3 green +Game 73: 3 blue, 13 green; 7 red, 3 green; 10 red, 2 blue, 1 green +Game 74: 3 red; 2 red, 1 blue, 7 green; 10 green, 3 blue, 1 red; 6 green, 1 blue; 11 green, 4 blue +Game 75: 8 blue, 2 green, 4 red; 19 blue, 2 green; 1 red, 18 blue, 3 green; 3 red, 5 green, 18 blue +Game 76: 3 green, 2 red, 2 blue; 3 blue, 6 green, 1 red; 1 green, 3 blue; 1 blue, 1 green +Game 77: 4 green, 7 red, 13 blue; 18 blue; 4 blue, 9 red, 1 green; 2 green, 16 blue, 9 red +Game 78: 2 green, 5 blue, 11 red; 2 blue, 3 red, 1 green; 4 green, 6 blue, 6 red +Game 79: 9 blue, 1 green, 3 red; 1 green, 2 red, 4 blue; 5 red, 4 green, 10 blue; 1 red, 9 blue, 4 green +Game 80: 8 red, 5 green, 7 blue; 15 red, 6 blue, 8 green; 8 blue, 14 red, 7 green; 3 blue, 2 green, 20 red; 10 red, 8 blue, 1 green; 7 green, 11 red, 9 blue +Game 81: 7 red, 1 blue, 5 green; 5 green, 10 blue, 9 red; 8 blue, 2 green, 7 red +Game 82: 1 green, 6 blue, 14 red; 7 blue, 2 green; 7 blue, 17 red, 3 green +Game 83: 2 red, 19 blue, 2 green; 5 red, 5 blue, 2 green; 2 red, 4 blue, 1 green +Game 84: 1 blue, 1 red, 12 green; 11 blue, 6 red, 13 green; 10 red, 8 blue, 8 green; 14 blue, 15 red; 19 blue, 10 green, 17 red; 11 red, 7 green +Game 85: 16 blue, 12 red, 8 green; 13 red, 3 green; 1 red, 16 blue, 10 green +Game 86: 5 green, 8 blue, 3 red; 8 green, 9 red, 13 blue; 4 green, 1 red, 12 blue; 13 red, 15 blue, 5 green +Game 87: 1 green, 16 red; 10 red, 2 green, 2 blue; 16 red, 5 blue; 1 blue, 2 green +Game 88: 3 blue, 1 green; 1 red, 2 green, 13 blue; 5 blue, 2 green, 1 red +Game 89: 9 blue, 2 red, 1 green; 10 blue; 5 blue, 1 green +Game 90: 8 red, 2 blue, 5 green; 2 red, 2 green, 2 blue; 1 blue, 8 green, 10 red; 11 green, 1 blue; 10 green, 4 red, 3 blue +Game 91: 14 blue, 9 red; 5 green, 5 red, 11 blue; 7 green, 4 blue, 12 red; 8 red, 6 green, 10 blue +Game 92: 2 green, 2 blue, 12 red; 2 green, 1 blue, 14 red; 14 red, 2 blue, 6 green; 11 red, 6 green, 2 blue; 11 green, 12 red, 2 blue +Game 93: 4 green, 7 blue, 3 red; 1 green, 12 blue, 1 red; 8 blue, 7 green, 2 red; 3 red, 9 blue, 2 green +Game 94: 13 green, 9 blue; 9 blue, 1 red, 8 green; 12 green, 1 red, 8 blue; 1 red, 9 green; 1 red, 5 blue, 14 green +Game 95: 7 blue, 14 red; 9 blue, 17 red; 2 blue, 1 green, 4 red +Game 96: 11 blue, 2 green, 3 red; 3 blue, 12 red, 3 green; 4 green, 11 red, 1 blue +Game 97: 9 red, 5 green, 2 blue; 12 red, 1 blue, 11 green; 7 green, 4 red, 2 blue; 1 blue, 6 red, 10 green +Game 98: 5 green, 5 red, 11 blue; 1 red, 10 blue, 7 green; 8 red, 1 blue, 7 green; 8 green, 11 red, 2 blue; 4 red, 5 blue, 2 green; 10 green, 5 red, 9 blue +Game 99: 3 green, 7 red, 4 blue; 9 red, 13 blue, 2 green; 3 red, 2 green, 11 blue; 5 red, 6 blue, 3 green; 8 blue, 5 green, 6 red; 6 green, 13 red, 1 blue +Game 100: 9 green, 7 blue; 1 green, 3 red, 4 blue; 15 red, 9 green; 3 blue, 6 red, 13 green; 2 red, 11 blue, 12 green diff --git a/day2/test b/day2/test new file mode 100644 index 0000000..1cd7d33 --- /dev/null +++ b/day2/test @@ -0,0 +1,5 @@ +Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green +Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue +Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red +Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red +Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green \ No newline at end of file