From d342fb635a02e3d8c346692dbf69f0be26150ec9 Mon Sep 17 00:00:00 2001 From: Bruno Carlin Date: Sat, 2 Dec 2023 13:48:19 +0100 Subject: [PATCH] day 2, parts 1 & 2 --- 02/input.txt | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++ 02/part1.v | 96 +++++++++++++++++++++++++++++++++++++++++++++++++ 02/part2.v | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 295 insertions(+) create mode 100644 02/input.txt create mode 100644 02/part1.v create mode 100644 02/part2.v diff --git a/02/input.txt b/02/input.txt new file mode 100644 index 0000000..f6238c6 --- /dev/null +++ b/02/input.txt @@ -0,0 +1,100 @@ +Game 1: 4 blue; 1 green, 2 red; 4 blue, 1 green, 6 red +Game 2: 7 red, 1 green, 4 blue; 13 red, 11 blue; 6 red, 2 blue; 9 blue, 9 red; 4 blue, 11 red; 15 red, 1 green, 3 blue +Game 3: 1 blue, 10 green; 4 green, 8 blue; 3 blue, 14 green, 1 red +Game 4: 1 green, 2 blue; 1 blue, 4 green; 8 red, 3 blue, 3 green; 8 red, 2 green, 1 blue; 7 green, 3 blue, 2 red; 1 red, 1 green, 3 blue +Game 5: 3 red, 7 blue, 4 green; 12 blue, 16 red, 4 green; 9 red, 2 green; 1 blue, 1 green, 1 red +Game 6: 15 blue; 15 red, 14 blue, 2 green; 8 red, 2 blue, 2 green; 2 green, 11 blue, 1 red +Game 7: 6 green, 6 red, 2 blue; 1 blue, 2 red, 7 green; 12 red; 5 green, 3 red, 1 blue; 16 red, 10 green +Game 8: 2 green, 10 red, 3 blue; 1 blue, 5 green, 11 red; 6 red, 1 blue, 2 green; 11 red; 4 red, 1 blue, 5 green; 5 green, 3 blue +Game 9: 5 blue, 11 red; 2 blue, 2 green; 11 red, 2 green +Game 10: 3 red, 5 green; 3 blue, 5 green; 3 red, 2 blue, 14 green +Game 11: 1 green, 1 blue, 6 red; 2 blue, 7 red, 2 green; 2 green, 2 red, 3 blue; 10 red; 2 red, 2 blue; 11 red, 3 blue +Game 12: 6 blue, 8 red, 6 green; 15 green, 4 red; 1 red, 10 green, 1 blue; 1 red, 3 blue, 11 green +Game 13: 2 blue, 6 red; 15 red, 6 blue; 20 blue, 10 red, 3 green; 17 blue, 1 red, 4 green +Game 14: 3 green, 7 blue, 7 red; 2 blue; 7 blue, 10 red +Game 15: 3 green, 7 blue; 9 green, 8 blue, 5 red; 6 green, 13 red; 14 red, 2 green, 15 blue; 15 red, 7 green +Game 16: 13 blue; 6 green, 4 blue, 11 red; 15 red, 2 green, 6 blue; 1 green, 13 red, 8 blue; 8 green, 7 blue, 14 red +Game 17: 3 red; 17 red, 4 green; 1 blue, 11 red; 3 blue, 20 red, 3 green +Game 18: 4 red, 2 blue, 3 green; 9 red, 6 green; 11 red, 1 blue +Game 19: 1 green, 4 blue; 1 green, 2 red; 2 blue, 1 green; 4 red, 2 blue +Game 20: 15 blue, 6 green, 6 red; 13 green, 1 blue, 1 red; 13 green, 13 blue, 5 red; 7 red, 16 green, 4 blue +Game 21: 10 blue, 5 green, 8 red; 6 blue, 12 red, 4 green; 2 green, 16 blue, 3 red; 6 red, 12 blue, 3 green; 1 red, 3 green; 7 blue, 6 green, 7 red +Game 22: 3 blue, 3 green, 17 red; 1 green, 18 red; 3 green, 10 red, 5 blue; 2 green, 2 red, 4 blue; 2 blue, 13 red; 1 green, 3 blue, 9 red +Game 23: 4 green, 16 red, 2 blue; 10 red, 10 green, 7 blue; 2 green, 6 red, 13 blue; 1 green, 13 blue, 16 red; 7 green, 16 blue, 9 red +Game 24: 6 blue, 7 red, 4 green; 6 blue, 2 green; 2 green, 6 blue, 2 red; 5 red, 3 green, 11 blue +Game 25: 4 red, 2 green; 1 green; 4 green, 4 blue, 8 red; 5 red, 1 blue +Game 26: 9 red, 4 blue, 13 green; 3 blue, 10 red, 7 green; 13 blue, 5 green, 9 red +Game 27: 1 green, 12 red, 2 blue; 2 blue, 13 red, 2 green; 2 blue, 7 red; 4 green, 9 red, 2 blue; 1 blue, 2 green, 15 red; 3 red, 4 green, 1 blue +Game 28: 1 red, 9 blue, 17 green; 14 green, 15 blue, 2 red; 4 red, 18 green, 13 blue +Game 29: 16 green, 5 blue, 1 red; 6 green, 6 red, 16 blue; 4 red, 9 green, 12 blue; 5 green, 14 blue, 1 red +Game 30: 3 red, 2 blue, 12 green; 13 green, 4 red; 13 green, 2 red, 1 blue; 2 blue, 6 red, 4 green; 3 blue, 13 green, 5 red +Game 31: 3 red; 6 red, 2 green; 5 red; 3 green, 2 red; 1 green, 2 red, 1 blue; 1 blue, 6 red +Game 32: 1 red, 7 green; 9 green, 5 blue; 1 green, 2 red; 4 blue, 2 red, 1 green; 4 blue, 1 green, 3 red +Game 33: 11 green; 12 blue, 2 green; 5 green, 1 blue; 10 green, 3 blue; 4 blue, 1 red, 4 green; 4 green, 5 blue +Game 34: 4 red, 8 blue, 2 green; 8 green, 4 red, 14 blue; 11 green, 6 red, 8 blue; 16 green, 3 blue, 5 red; 3 blue, 3 red, 13 green +Game 35: 7 green, 12 red, 1 blue; 1 red; 13 red; 14 red, 2 blue, 9 green +Game 36: 3 red, 4 green, 1 blue; 3 red, 4 blue; 6 red, 4 blue, 3 green; 3 green, 4 blue, 3 red; 2 blue, 4 green, 7 red +Game 37: 2 green, 1 blue, 5 red; 1 green; 3 blue; 3 blue, 1 green +Game 38: 1 red, 12 blue, 17 green; 4 blue, 2 red, 8 green; 7 blue, 20 green; 6 red, 3 blue; 6 green, 7 red, 6 blue; 10 green, 3 red +Game 39: 3 green, 3 blue, 2 red; 4 blue, 4 red, 4 green; 4 blue, 4 red; 1 blue, 5 green, 2 red; 5 green, 3 blue, 4 red; 4 green, 2 blue +Game 40: 18 green, 1 red; 17 green, 1 blue; 2 green, 1 blue, 1 red; 9 green, 1 blue; 3 green, 1 red; 1 red, 10 green +Game 41: 2 red, 4 blue, 3 green; 8 blue, 2 red; 5 blue; 2 green, 2 red, 3 blue; 1 green, 7 blue +Game 42: 1 green, 2 blue; 9 green, 2 blue, 15 red; 1 green, 4 blue, 9 red +Game 43: 5 blue, 3 red; 2 blue, 8 red, 7 green; 17 red, 4 blue, 7 green +Game 44: 13 red, 3 green, 12 blue; 15 green, 10 blue; 8 green, 11 red, 2 blue; 10 blue, 16 red, 2 green; 12 blue, 5 green, 5 red; 14 green, 8 red, 13 blue +Game 45: 1 red, 3 green; 4 green, 5 blue, 2 red; 6 red, 2 blue, 6 green; 3 blue, 2 green; 5 blue, 3 green, 4 red; 5 red, 5 blue, 6 green +Game 46: 12 red, 2 blue, 3 green; 15 red, 14 blue, 11 green; 6 red, 11 blue, 6 green; 4 red, 1 green; 7 blue, 14 red; 14 red, 18 blue, 6 green +Game 47: 3 blue, 5 red, 4 green; 1 blue, 10 red; 6 blue, 5 green, 7 red; 3 red, 4 green; 2 blue, 2 green, 13 red; 4 blue, 13 red, 2 green +Game 48: 2 green, 3 blue, 7 red; 12 red, 1 green, 2 blue; 5 red, 2 blue; 4 blue, 3 green, 10 red +Game 49: 8 green, 13 blue, 3 red; 14 blue, 1 green; 14 blue, 2 green +Game 50: 1 red, 2 green, 3 blue; 2 green, 2 red; 1 green, 5 blue; 4 green +Game 51: 10 green, 5 red; 10 green, 2 blue, 2 red; 2 blue, 13 red, 1 green; 6 blue, 10 green, 3 red +Game 52: 8 green, 1 blue, 6 red; 4 green, 5 blue; 4 green, 7 red; 3 blue, 6 green, 3 red; 7 red, 6 blue, 7 green; 4 red, 8 green, 4 blue +Game 53: 11 blue, 10 green, 1 red; 6 blue, 1 green, 12 red; 6 green, 12 blue, 13 red; 1 blue, 10 green, 10 red; 11 green, 2 blue; 7 green, 7 red, 5 blue +Game 54: 3 blue, 1 green, 7 red; 18 blue, 3 red, 1 green; 11 blue, 6 red +Game 55: 9 blue, 1 red; 3 blue, 1 green, 2 red; 1 green, 6 blue, 5 red; 1 green, 5 red, 12 blue; 5 red, 3 green, 12 blue; 12 blue +Game 56: 3 red, 1 green, 11 blue; 2 red, 20 blue; 12 blue, 4 red; 3 red, 2 blue, 6 green +Game 57: 1 green, 13 red, 1 blue; 7 green, 2 red, 2 blue; 6 red, 3 blue; 6 blue, 4 red, 3 green; 1 green, 11 red +Game 58: 3 red, 13 blue, 2 green; 6 green, 6 red, 19 blue; 4 blue, 9 green, 1 red; 1 blue, 6 red +Game 59: 11 red, 2 blue, 2 green; 1 blue, 13 red; 12 red, 6 blue +Game 60: 8 blue, 4 red, 11 green; 10 green; 5 blue, 3 red, 8 green; 6 blue, 6 red, 12 green +Game 61: 1 green, 1 blue, 3 red; 1 blue, 2 green, 5 red; 4 red, 1 green, 1 blue; 5 red, 2 green +Game 62: 14 blue, 2 green, 11 red; 11 red, 2 green, 8 blue; 5 blue, 14 red, 5 green; 17 red, 2 blue, 3 green; 2 red, 3 green, 5 blue; 11 blue, 10 red, 3 green +Game 63: 2 blue, 2 green; 9 blue, 3 red; 1 green, 2 red, 12 blue +Game 64: 14 green, 1 blue, 5 red; 4 red, 14 green, 12 blue; 10 blue, 3 red, 10 green +Game 65: 1 green, 6 red, 6 blue; 7 red, 7 blue, 3 green; 14 blue, 5 red +Game 66: 10 blue, 2 red, 7 green; 3 red, 16 blue; 10 green, 7 red, 17 blue; 10 red, 5 green, 5 blue; 13 blue, 10 green, 6 red +Game 67: 9 blue, 6 green; 1 red, 8 blue, 9 green; 3 blue, 1 green, 1 red; 2 blue, 6 green, 1 red +Game 68: 4 green, 9 red, 3 blue; 6 blue, 5 green, 2 red; 6 blue, 9 red, 3 green; 4 red, 2 green; 4 red, 9 green +Game 69: 1 green, 1 blue, 2 red; 2 red, 7 green; 3 red, 1 blue, 5 green; 8 red, 7 green; 2 green, 1 blue; 6 red, 1 blue, 7 green +Game 70: 13 blue, 3 green, 5 red; 1 red, 1 green, 6 blue; 4 red, 11 blue; 14 blue, 5 red, 1 green; 8 red, 16 blue, 1 green +Game 71: 1 blue, 1 green; 6 blue, 2 red; 5 green, 1 red, 4 blue; 4 green, 3 red +Game 72: 4 green, 2 blue, 11 red; 4 red, 7 green, 4 blue; 3 red, 6 green, 14 blue; 4 green, 12 red, 15 blue; 4 blue, 14 red; 6 blue, 13 red, 6 green +Game 73: 4 green, 6 red, 7 blue; 11 red, 4 blue, 6 green; 8 red, 2 blue, 5 green; 3 red, 1 green, 7 blue +Game 74: 5 blue, 10 green; 6 green, 5 blue, 10 red; 4 green, 2 red, 1 blue; 3 blue, 11 green +Game 75: 3 red, 3 green, 15 blue; 6 blue, 3 green, 5 red; 11 blue, 1 red, 3 green; 7 blue, 3 green, 4 red; 9 blue, 1 red, 3 green +Game 76: 11 red; 7 green, 12 red; 2 red, 1 blue, 2 green; 2 red, 1 blue, 6 green; 5 red, 7 green; 1 blue, 8 green +Game 77: 2 blue, 15 green, 1 red; 6 blue, 1 red; 1 green, 5 blue, 1 red; 2 blue, 1 red, 1 green; 15 green, 8 blue, 1 red; 19 green, 5 blue +Game 78: 14 red, 2 green, 7 blue; 2 green, 14 red, 3 blue; 1 blue, 7 red +Game 79: 15 red, 2 green, 1 blue; 3 red, 1 green; 12 red, 2 blue; 12 red, 1 green; 1 blue, 2 red, 1 green +Game 80: 2 red, 1 green, 7 blue; 7 red, 6 blue, 5 green; 6 blue, 6 red; 6 green, 2 blue, 3 red; 5 red, 5 blue, 1 green +Game 81: 10 red, 1 green, 3 blue; 6 green, 13 blue, 3 red; 1 green, 2 red, 10 blue +Game 82: 4 blue, 1 red, 7 green; 4 red, 14 blue, 8 green; 1 red, 11 blue, 6 green +Game 83: 10 red, 3 blue, 9 green; 3 green, 3 red, 1 blue; 4 blue, 11 green, 8 red; 2 blue, 8 green, 2 red; 2 green, 2 red +Game 84: 2 green, 2 blue, 14 red; 7 red, 5 blue, 11 green; 4 red, 6 blue, 5 green; 3 blue, 13 green, 14 red; 6 red, 7 blue, 8 green; 2 blue, 3 red, 18 green +Game 85: 8 green, 14 blue; 6 green, 9 red, 15 blue; 9 red, 12 green, 15 blue; 12 green, 6 red; 9 green, 10 red, 15 blue; 12 blue, 6 green +Game 86: 1 blue, 1 green, 4 red; 6 green, 4 red, 6 blue; 1 red, 4 blue, 4 green; 6 green, 2 blue, 1 red +Game 87: 17 blue, 13 green; 8 blue, 3 red; 16 green, 4 red, 6 blue +Game 88: 11 red, 16 blue, 6 green; 10 red, 2 blue, 1 green; 5 blue, 2 green, 14 red +Game 89: 3 blue, 2 green; 2 red; 9 blue, 8 green, 1 red; 2 green, 2 blue, 3 red; 4 red, 3 green +Game 90: 2 blue, 14 red, 2 green; 6 blue, 2 red, 2 green; 17 red, 1 blue, 6 green; 1 blue, 8 green, 1 red +Game 91: 6 green, 1 blue, 13 red; 10 red, 4 green, 12 blue; 9 green, 17 red, 3 blue; 12 blue, 5 red, 2 green; 2 green, 9 red, 14 blue +Game 92: 2 red, 4 green, 6 blue; 9 blue, 3 green, 6 red; 5 blue, 4 green; 3 blue, 2 green, 7 red; 4 red, 4 green, 11 blue +Game 93: 4 red, 11 blue, 9 green; 10 blue, 3 green, 9 red; 3 green, 11 red, 1 blue +Game 94: 11 green, 3 red, 1 blue; 3 green, 2 red, 6 blue; 2 red, 6 blue, 5 green; 4 blue, 5 green, 5 red; 17 green, 6 red, 6 blue; 5 green, 6 red, 7 blue +Game 95: 1 red, 3 blue, 15 green; 5 green, 6 blue; 11 green, 2 red, 11 blue; 15 green, 5 red, 7 blue +Game 96: 13 red, 3 blue; 3 red, 13 blue; 5 blue, 1 red, 2 green; 7 red, 7 blue; 12 red, 9 blue, 3 green; 8 red, 15 blue, 2 green +Game 97: 4 blue, 9 green, 2 red; 2 red, 5 green, 13 blue; 9 blue, 2 red, 16 green +Game 98: 3 red; 1 green, 10 red; 2 blue, 8 red; 1 green, 11 red, 2 blue +Game 99: 6 red, 14 green; 8 green, 15 red; 1 red, 4 green; 2 blue, 7 green, 13 red; 14 green, 5 red, 1 blue; 1 blue, 5 red, 8 green +Game 100: 9 blue, 18 green, 4 red; 5 green, 10 blue, 11 red; 1 green, 1 red; 16 green, 5 red, 1 blue diff --git a/02/part1.v b/02/part1.v new file mode 100644 index 0000000..38ffc20 --- /dev/null +++ b/02/part1.v @@ -0,0 +1,96 @@ +import os + +const input := os.read_file('./input.txt')! +//const input = '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 +//' + +struct Draw { + reds int + blues int + greens int +} + +struct Game { + id int + draws []Draw +} + +fn (g Game) is_possible(red int, green int, blue int) bool { + for draw in g.draws { + if draw.reds > red || draw.greens > green || draw.blues > blue { + return false + } + } + + return true +} + +fn parse_draw(input string) Draw { + parts := input.split(',') + mut r, mut g, mut b := 0, 0, 0 + + for part in parts { + match true { + part.contains('red') { + r = part.trim_space().split(' ')[0].int() + } + part.contains('green') { + g = part.trim_space().split(' ')[0].int() + } + part.contains('blue') { + b = part.trim_space().split(' ')[0].int() + } + else { + panic('unrecognized color ${part}') + } + } + } + + return Draw{ + reds: r + greens: g + blues: b + } +} + +fn parse_input(input string) []Game { + lines := input.split('\n') + mut games := []Game{} + + for i, line in lines { + if line.is_blank() { + continue + } + + parts := line.split_any(':;') + + mut draws := []Draw{} + for draw in parts[1..] { + draws << parse_draw(draw) + } + + games << Game{ + id: i + 1 + draws: draws + } + } + + return games +} + +fn main() { + games := parse_input(input) + + mut sum := 0 + for g in games { + if g.is_possible(12, 13, 14) { + sum += g.id + } + } + + println('Result: ${sum}') +} diff --git a/02/part2.v b/02/part2.v new file mode 100644 index 0000000..0a5e21c --- /dev/null +++ b/02/part2.v @@ -0,0 +1,99 @@ +import arrays +import os + +const input := os.read_file('./input.txt')! +//const input = '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 +//' + +struct Draw { + reds int + blues int + greens int +} + +struct Game { + id int + draws []Draw +} + +fn (g Game) min_reds() int { + return arrays.max(g.draws.map(it.reds)) or { panic('cannot get the min number of reds needed for ${g}') } +} + +fn (g Game) min_greens() int { + return arrays.max(g.draws.map(it.greens)) or { panic('cannot get the min number of greens needed for ${g}') } +} + +fn (g Game) min_blues() int { + return arrays.max(g.draws.map(it.blues)) or { panic('cannot get the min number of blues needed for ${g}') } +} + +fn (g Game) power_min() int { + return g.min_reds() * g.min_greens() * g.min_blues() +} + +fn parse_draw(input string) Draw { + parts := input.split(',') + mut r, mut g, mut b := 0, 0, 0 + + for part in parts { + match true { + part.contains('red') { + r = part.trim_space().split(' ')[0].int() + } + part.contains('green') { + g = part.trim_space().split(' ')[0].int() + } + part.contains('blue') { + b = part.trim_space().split(' ')[0].int() + } + else { + panic('unrecognized color ${part}') + } + } + } + + return Draw{ + reds: r + greens: g + blues: b + } +} + +fn parse_input(input string) []Game { + lines := input.split('\n') + mut games := []Game{} + + for i, line in lines { + if line.is_blank() { + continue + } + + parts := line.split_any(':;') + + mut draws := []Draw{} + for draw in parts[1..] { + draws << parse_draw(draw) + } + + games << Game{ + id: i + 1 + draws: draws + } + } + + return games +} + +fn main() { + games := parse_input(input) + + powers := games.map(it.power_min()) + sum := arrays.sum(powers)! + + println('Result: ${sum}') +}