From 336a1ebbced2fb89fa7d2227c9c2014dfc49ea62 Mon Sep 17 00:00:00 2001 From: Savanni D'Gerinel Date: Sat, 2 Dec 2023 11:38:34 -0500 Subject: [PATCH] Day 2 --- 2023/data/day2.txt | 100 +++++++++++++ 2023/src/day2.rs | 357 +++++++++++++++++++++++++++++++++++++++++++++ 2023/src/main.rs | 3 + 3 files changed, 460 insertions(+) create mode 100644 2023/data/day2.txt create mode 100644 2023/src/day2.rs diff --git a/2023/data/day2.txt b/2023/data/day2.txt new file mode 100644 index 0000000..2473b41 --- /dev/null +++ b/2023/data/day2.txt @@ -0,0 +1,100 @@ +Game 1: 4 green, 3 blue, 11 red; 7 red, 5 green, 10 blue; 3 green, 8 blue, 8 red; 4 red, 12 blue; 15 red, 3 green, 10 blue +Game 2: 3 red, 1 blue, 2 green; 1 blue, 9 green; 1 red, 10 green +Game 3: 5 green, 9 red, 4 blue; 3 green, 7 blue; 12 blue, 3 green, 3 red; 3 blue, 7 red, 2 green; 7 blue, 3 green, 10 red +Game 4: 2 green, 2 blue; 12 red, 9 green, 2 blue; 13 green, 15 red, 4 blue; 14 red, 3 green, 5 blue; 6 red, 1 green; 1 blue, 2 red, 2 green +Game 5: 2 green, 6 blue; 1 red, 3 green, 5 blue; 3 green, 4 blue; 3 blue, 5 green, 1 red; 5 blue +Game 6: 5 green, 1 blue, 3 red; 8 green, 15 red; 16 green, 5 red, 1 blue +Game 7: 1 blue, 3 red, 11 green; 18 red, 16 blue, 5 green; 13 blue, 5 green; 1 red, 8 green, 15 blue +Game 8: 1 green, 14 blue, 1 red; 10 blue; 1 green +Game 9: 4 green, 12 blue, 1 red; 14 blue; 2 blue, 4 green; 4 green, 1 red, 10 blue +Game 10: 11 green, 9 red; 12 red, 9 green; 5 red, 7 blue, 5 green; 6 green, 1 blue, 12 red; 3 red, 3 blue; 16 red, 9 blue, 7 green +Game 11: 11 green, 1 red, 9 blue; 2 red, 13 green, 5 blue; 5 green, 2 red, 5 blue; 5 green, 7 blue; 1 red, 5 blue, 1 green +Game 12: 5 green, 1 red; 1 red, 4 green; 1 blue, 12 green; 15 green, 4 blue; 4 blue, 19 green; 16 green, 4 blue +Game 13: 1 red, 9 green, 5 blue; 10 blue, 7 green, 1 red; 3 green, 2 red, 14 blue; 16 blue, 3 red +Game 14: 9 red, 1 blue, 2 green; 16 blue, 7 red; 2 green, 3 red, 14 blue; 1 green, 9 blue +Game 15: 6 blue; 4 blue; 1 red, 16 blue, 3 green +Game 16: 14 green, 5 red, 1 blue; 1 red, 1 blue; 5 blue +Game 17: 1 blue, 1 green, 3 red; 2 red, 2 blue, 2 green; 1 blue, 1 red; 1 red, 2 green, 2 blue; 2 blue; 1 green, 2 red, 1 blue +Game 18: 4 blue, 2 green, 1 red; 1 green, 1 red, 10 blue; 1 green, 1 red, 2 blue; 1 red, 5 blue; 3 green, 6 blue; 1 red, 1 green, 7 blue +Game 19: 1 blue, 13 green, 12 red; 7 blue, 2 green, 1 red; 1 blue, 3 red, 3 green; 3 blue, 8 green, 10 red; 7 blue, 2 green +Game 20: 1 red, 17 blue; 10 blue, 5 green; 9 green, 1 red, 3 blue; 1 red, 5 green, 1 blue +Game 21: 3 red, 6 blue, 5 green; 4 blue, 1 red, 7 green; 6 blue, 4 red, 9 green +Game 22: 11 blue, 2 red, 6 green; 16 blue, 5 red, 6 green; 12 red, 2 green, 10 blue; 14 blue, 2 green, 11 red +Game 23: 3 red, 5 green; 10 blue, 1 green, 9 red; 2 red, 10 green, 9 blue; 9 blue, 7 green +Game 24: 8 blue, 1 red; 3 red, 9 blue; 9 green, 2 red, 8 blue +Game 25: 2 red, 1 green, 1 blue; 1 green, 12 blue, 2 red; 2 red, 1 blue; 2 blue; 1 green, 10 blue; 6 blue +Game 26: 2 red; 4 green, 1 red, 7 blue; 11 blue, 2 red, 4 green; 1 red, 1 blue; 1 red, 5 green, 12 blue +Game 27: 1 red, 7 green, 8 blue; 13 green, 12 blue, 1 red; 6 red, 1 green, 10 blue; 8 red, 2 blue, 2 green; 11 blue, 4 green, 4 red +Game 28: 1 red, 8 blue, 3 green; 12 green, 4 blue; 1 red, 4 blue, 11 green; 7 blue, 10 green, 10 red; 11 blue, 7 red, 8 green; 10 red, 2 green, 2 blue +Game 29: 4 green, 2 red; 1 blue, 11 red; 2 blue, 3 green, 1 red; 16 red; 3 green, 8 red, 1 blue; 2 blue, 7 green, 12 red +Game 30: 1 blue, 3 green; 4 green, 2 blue; 3 red, 5 blue; 4 green, 1 red +Game 31: 2 red, 2 blue, 3 green; 2 green, 3 blue, 8 red; 7 red, 16 blue, 2 green; 5 red, 20 blue, 2 green +Game 32: 2 red, 1 green, 4 blue; 4 green, 4 red, 1 blue; 4 red, 4 blue; 1 blue, 4 red, 2 green; 4 blue, 3 green, 4 red +Game 33: 11 green, 4 blue, 10 red; 2 green, 13 red, 7 blue; 13 red, 2 blue, 8 green; 15 red, 9 blue, 12 green; 14 red, 10 green, 2 blue; 13 red, 7 green +Game 34: 11 red, 6 blue, 4 green; 16 red, 7 blue, 4 green; 6 red, 18 green, 6 blue; 3 blue, 16 red, 3 green; 2 red, 3 blue, 17 green; 3 green, 9 red, 6 blue +Game 35: 6 green, 10 red, 12 blue; 4 red, 1 blue, 2 green; 3 green, 8 blue, 7 red; 6 red, 12 blue, 2 green +Game 36: 4 green, 2 blue, 2 red; 3 green, 10 red, 1 blue; 1 blue, 3 green, 2 red; 2 green, 1 red; 1 blue, 5 red +Game 37: 3 blue, 1 red, 2 green; 8 red, 4 green, 10 blue; 4 red, 4 green +Game 38: 13 green, 3 red, 2 blue; 1 red, 13 green, 2 blue; 20 green, 3 red, 2 blue; 1 red, 2 blue, 12 green +Game 39: 13 blue, 1 red, 8 green; 5 red, 3 green, 8 blue; 6 blue, 4 green; 18 blue, 7 green, 1 red; 4 green, 3 blue, 5 red; 6 blue, 4 red, 1 green +Game 40: 2 red, 2 blue, 9 green; 1 blue, 2 red, 12 green; 16 green, 11 blue, 1 red; 1 green, 2 red; 3 blue, 2 red +Game 41: 7 blue, 1 red; 4 blue, 1 red; 3 blue, 1 red, 2 green; 13 blue +Game 42: 18 red, 1 green, 13 blue; 2 blue, 2 green, 7 red; 16 red, 12 blue; 1 green, 10 blue, 14 red +Game 43: 15 red, 6 green, 2 blue; 3 blue, 9 red, 3 green; 13 red +Game 44: 2 blue, 5 green, 3 red; 4 red, 4 blue, 19 green; 5 red, 3 blue, 9 green; 19 green, 6 red, 5 blue +Game 45: 5 red, 4 green, 13 blue; 12 red, 10 blue; 3 green, 9 blue, 5 red; 10 blue, 18 red, 5 green; 16 red, 6 green, 17 blue +Game 46: 3 green; 3 green, 2 blue; 4 blue, 2 red, 3 green; 5 blue, 3 green, 4 red; 1 green, 1 blue +Game 47: 2 blue, 1 red, 10 green; 2 red; 6 red, 1 blue; 16 red, 2 blue, 8 green; 5 blue, 8 red, 7 green +Game 48: 11 green, 4 red, 2 blue; 2 blue, 5 green, 8 red; 9 green, 6 red; 3 red, 3 green, 1 blue; 2 blue, 12 green, 17 red +Game 49: 10 blue, 4 green, 1 red; 10 red, 10 blue; 12 blue, 7 red; 13 blue, 6 green +Game 50: 1 red, 19 green, 7 blue; 4 red, 1 green, 5 blue; 16 green, 8 red, 8 blue +Game 51: 12 green, 18 blue; 13 green, 14 blue, 4 red; 7 green, 4 red, 14 blue; 8 green, 2 blue, 3 red; 16 blue, 8 green +Game 52: 9 blue, 9 green, 3 red; 8 blue, 1 green, 13 red; 2 red, 8 blue, 9 green; 13 red, 4 green; 6 green, 15 red; 11 blue, 11 red, 9 green +Game 53: 2 red, 4 green, 3 blue; 5 blue, 16 green; 4 blue, 8 red, 12 green +Game 54: 6 red, 16 green; 6 red, 15 green; 8 green, 8 red, 2 blue +Game 55: 9 red, 2 green; 4 blue; 2 green, 2 red, 7 blue; 1 red, 16 blue, 1 green; 17 blue, 5 red +Game 56: 14 green, 3 red, 9 blue; 14 blue, 15 green, 2 red; 8 red, 13 blue, 15 green; 15 blue, 2 red, 12 green; 3 red, 7 blue, 10 green; 10 blue, 13 green +Game 57: 1 blue, 10 green, 2 red; 4 blue, 9 green, 11 red; 2 blue +Game 58: 4 red, 2 blue, 5 green; 1 blue, 5 green, 4 red; 3 green, 4 red, 8 blue; 4 blue, 7 green; 5 green, 4 blue; 1 blue, 6 red +Game 59: 5 blue, 4 red, 3 green; 8 blue, 12 green, 5 red; 5 red, 8 blue, 15 green +Game 60: 6 red, 12 blue, 1 green; 10 blue, 20 green, 4 red; 6 blue, 1 green, 5 red; 9 red, 12 blue, 14 green; 15 green, 1 red, 14 blue; 10 green, 13 blue +Game 61: 1 blue, 12 green, 3 red; 4 green, 1 red, 4 blue; 8 red, 4 green, 6 blue +Game 62: 6 blue, 7 green, 3 red; 6 blue, 3 red, 3 green; 11 green, 6 red, 2 blue; 2 red, 6 blue, 3 green; 2 green, 3 blue, 3 red; 3 blue, 11 green, 11 red +Game 63: 5 green, 6 blue, 4 red; 6 green, 12 blue; 3 green, 9 blue, 10 red; 1 blue, 4 red, 5 green +Game 64: 10 green, 14 red; 1 blue, 9 red; 3 green, 10 blue, 14 red; 5 green, 3 blue, 12 red; 5 blue, 12 red, 13 green +Game 65: 1 red, 5 green, 10 blue; 14 red, 5 green, 10 blue; 10 blue, 10 red +Game 66: 9 green, 8 blue, 1 red; 8 red, 14 blue; 8 red, 7 blue, 2 green; 4 blue, 3 green, 5 red; 2 red, 8 green, 8 blue +Game 67: 4 red, 3 green, 3 blue; 4 green, 1 blue, 4 red; 1 blue, 3 red; 10 blue; 16 blue, 6 red, 4 green +Game 68: 6 blue, 6 green, 9 red; 4 blue, 9 red, 3 green; 3 blue, 8 red +Game 69: 4 green, 12 red, 3 blue; 2 red, 3 blue; 2 blue, 4 red, 2 green; 1 blue, 3 red +Game 70: 4 red, 3 green, 15 blue; 1 green, 4 red; 1 red, 1 green, 5 blue +Game 71: 4 blue, 2 red, 10 green; 7 red, 6 blue, 11 green; 4 blue, 7 red, 8 green +Game 72: 9 red, 9 blue, 1 green; 4 red, 6 green, 5 blue; 3 green, 7 red, 2 blue +Game 73: 3 green, 9 red; 4 green, 15 red; 12 red, 2 blue; 14 red, 3 green +Game 74: 2 red, 6 blue, 1 green; 3 red, 6 blue; 1 green, 12 blue, 14 red +Game 75: 3 green, 18 red; 1 green, 7 red, 1 blue; 2 red, 2 green, 3 blue; 11 red; 2 red, 3 green, 2 blue +Game 76: 6 green, 2 red, 5 blue; 13 green, 5 blue; 5 blue, 1 red, 1 green +Game 77: 4 blue, 6 green, 3 red; 15 red, 1 green; 4 green, 11 red, 13 blue; 8 blue, 6 green, 9 red; 3 blue, 1 green, 11 red; 3 green, 3 red +Game 78: 11 green, 1 blue, 2 red; 7 red, 16 blue, 11 green; 9 blue, 10 red, 6 green; 1 green, 8 blue, 10 red; 8 blue, 6 red, 1 green +Game 79: 2 blue, 5 green, 4 red; 1 blue, 1 red, 1 green; 1 blue, 5 red, 10 green; 6 red, 3 green, 3 blue; 8 red, 9 green, 6 blue; 7 blue, 6 green, 13 red +Game 80: 10 green, 7 blue, 5 red; 5 red, 1 green, 6 blue; 8 blue, 2 red, 8 green +Game 81: 3 green, 10 red; 6 blue, 8 green, 14 red; 4 green, 4 blue, 13 red; 5 blue, 11 green, 6 red; 16 red, 8 green, 5 blue; 6 green, 18 red, 6 blue +Game 82: 13 red, 1 green, 7 blue; 8 green, 4 blue, 12 red; 18 red, 5 green, 3 blue; 13 red, 4 green, 9 blue +Game 83: 1 red, 3 green, 4 blue; 5 blue, 4 green, 1 red; 3 green, 1 red, 12 blue; 4 green, 11 blue +Game 84: 3 blue, 10 green, 2 red; 3 red, 8 blue; 11 blue, 12 red, 14 green; 2 red, 11 green, 2 blue +Game 85: 8 blue, 2 green, 1 red; 13 blue, 6 red; 3 blue, 5 green +Game 86: 16 red, 8 blue; 7 blue; 16 red, 16 blue, 1 green; 15 blue, 11 red; 2 green, 7 red, 5 blue +Game 87: 6 green, 9 blue, 4 red; 1 red, 1 green, 4 blue; 5 blue, 13 green, 3 red; 2 green, 4 red; 16 blue, 10 green, 3 red +Game 88: 1 blue, 14 red; 14 red, 3 blue, 8 green; 1 blue, 5 green +Game 89: 12 green, 14 blue, 3 red; 2 red, 3 blue, 3 green; 2 blue, 8 green; 1 red, 3 green, 15 blue; 3 red, 5 blue +Game 90: 3 blue, 17 red, 11 green; 2 red, 2 blue, 7 green; 7 blue; 8 blue, 4 green, 10 red; 1 blue, 4 red +Game 91: 10 red, 9 blue, 8 green; 5 blue, 10 red, 2 green; 11 red, 17 green, 7 blue; 12 blue, 16 red, 18 green; 20 green, 5 blue, 15 red +Game 92: 1 green, 14 red, 1 blue; 2 blue, 6 green; 9 red, 6 green; 5 blue, 5 red, 2 green; 3 blue, 3 green, 10 red; 5 blue, 1 red +Game 93: 10 green, 1 red, 6 blue; 16 red, 5 blue, 2 green; 3 red, 7 green, 11 blue; 12 green, 5 blue, 4 red; 8 green, 7 blue, 10 red; 1 red, 5 blue +Game 94: 3 blue, 1 red, 3 green; 1 blue, 4 green, 4 red; 9 green +Game 95: 3 green, 5 blue, 9 red; 2 green, 9 red, 2 blue; 12 red, 9 green; 11 green, 9 red, 9 blue; 9 blue, 6 green, 10 red; 13 red, 2 blue, 5 green +Game 96: 2 red, 19 blue, 2 green; 10 blue, 1 red, 2 green; 9 blue, 1 red; 2 green, 3 blue; 1 green, 1 red, 11 blue +Game 97: 6 green, 7 blue, 5 red; 7 green, 1 red, 11 blue; 6 green, 6 red, 5 blue; 2 red, 9 blue, 1 green +Game 98: 5 green, 8 red, 15 blue; 16 green, 9 blue, 8 red; 5 blue, 3 red, 2 green; 13 blue, 12 green, 4 red; 2 red, 15 green, 3 blue; 1 green, 11 blue, 2 red +Game 99: 1 green, 7 blue, 6 red; 16 blue, 9 red; 1 green, 17 red, 12 blue; 15 red, 7 blue; 8 blue, 14 red +Game 100: 5 blue, 11 red, 6 green; 11 red, 2 blue, 5 green; 6 blue, 6 green; 2 blue, 6 red, 15 green; 7 red, 4 blue, 7 green diff --git a/2023/src/day2.rs b/2023/src/day2.rs new file mode 100644 index 0000000..05fe70f --- /dev/null +++ b/2023/src/day2.rs @@ -0,0 +1,357 @@ +const INPUT: &str = include_str!("../data/day2.txt"); + +const MAX_RED: usize = 12; +const MAX_GREEN: usize = 13; +const MAX_BLUE: usize = 14; + +pub fn day2a() -> String { + let games = INPUT.lines().map(parse_game); + + format!( + "{}", + possible_games(games).fold(0, |acc, game| acc + game.0) + ) +} + +pub fn day2b() -> String { + let games = INPUT.lines().map(parse_game); + + let power = games + .into_iter() + .map(|game| fewest_cubes(&game).power()) + .fold(0, |acc, power| acc + power); + + format!("{}", power) +} + +#[derive(Debug, Clone, PartialEq)] +pub struct Game(usize, Vec); + +#[derive(Debug, Clone, PartialEq)] +pub struct Info { + red: usize, + green: usize, + blue: usize, +} + +impl Info { + fn power(&self) -> usize { + self.red * self.green * self.blue + } +} + +pub(crate) fn possible_games(games: impl Iterator) -> impl Iterator { + games.filter(|game| { + game.1 + .iter() + .all(|info| info.red <= MAX_RED && info.green <= MAX_GREEN && info.blue <= MAX_BLUE) + }) +} + +pub(crate) fn fewest_cubes(game: &Game) -> Info { + let mut min_red = 0; + let mut min_green = 0; + let mut min_blue = 0; + + for info in game.1.iter() { + if info.red > min_red { + min_red = info.red; + } + if info.green > min_green { + min_green = info.green; + } + if info.blue > min_blue { + min_blue = info.blue; + } + } + + Info { + red: min_red, + green: min_green, + blue: min_blue, + } +} + +pub(crate) fn parse_game(input: &str) -> Game { + let mut parts = input.split(':'); + let number = parse_game_number(parts.next().unwrap()); + let info_line = parts.next().unwrap().split(';'); + let info = info_line + .map(|block| parse_info(block)) + .collect::>(); + Game(number, info) +} + +pub(crate) fn parse_game_number(input: &str) -> usize { + let mut parts = input.split(' '); + assert_eq!(parts.next(), Some("Game")); + parts.next().unwrap().parse::().unwrap() +} + +pub(crate) fn parse_info(input: &str) -> Info { + let mut info = Info { + red: 0, + green: 0, + blue: 0, + }; + for part in input.trim().split(',') { + let mut sep = part.trim().split(' '); + let count = sep.next().unwrap().trim(); + let color = sep.next().unwrap().trim(); + match color { + "red" => info.red = count.parse::().unwrap(), + "green" => info.green = count.parse::().unwrap(), + "blue" => info.blue = count.parse::().unwrap(), + _ => unreachable!(), + } + } + + info +} + +#[cfg(test)] +mod test { + use super::*; + + const INPUT: &str = "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"; + + #[test] + fn parses_a_game() { + let test_cases = [ + ( + "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green", + Game( + 1, + vec![ + Info { + red: 4, + green: 0, + blue: 3, + }, + Info { + red: 1, + green: 2, + blue: 6, + }, + Info { + red: 0, + green: 2, + blue: 0, + }, + ], + ), + "Game 1", + ), + ( + "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue", + Game( + 2, + vec![ + Info { + red: 0, + green: 2, + blue: 1, + }, + Info { + red: 1, + green: 3, + blue: 4, + }, + Info { + red: 0, + green: 1, + blue: 1, + }, + ], + ), + "Game 2", + ), + ( + "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red", + Game( + 3, + vec![ + Info { + red: 20, + green: 8, + blue: 6, + }, + Info { + red: 4, + green: 13, + blue: 5, + }, + Info { + red: 1, + green: 5, + blue: 0, + }, + ], + ), + "Game 3", + ), + ( + "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red", + Game( + 4, + vec![ + Info { + red: 3, + green: 1, + blue: 6, + }, + Info { + red: 6, + green: 3, + blue: 0, + }, + Info { + red: 14, + green: 3, + blue: 15, + }, + ], + ), + "Game 4", + ), + ( + "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green", + Game( + 5, + vec![ + Info { + red: 6, + green: 3, + blue: 1, + }, + Info { + red: 1, + green: 2, + blue: 2, + }, + ], + ), + "Game 5", + ), + ]; + + for (input, expected, message) in test_cases { + assert_eq!(parse_game(input), expected, "{}", message); + } + } + + #[test] + fn possible_games() { + let games = INPUT.lines().map(parse_game); + let games = super::possible_games(games).collect::>(); + assert_eq!(games.len(), 3); + assert_eq!( + games.into_iter().map(|g| g.0).collect::>(), + vec![1, 2, 5] + ); + } + + #[test] + fn fewest_cubes() { + let test_cases = [ + ( + "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green", + Info { + red: 4, + green: 2, + blue: 6, + }, + "Game 1", + ), + ( + "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue", + Info { + red: 1, + green: 3, + blue: 4, + }, + "Game 2", + ), + ( + "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red", + Info { + red: 20, + green: 13, + blue: 6, + }, + "Game 3", + ), + ( + "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red", + Info { + red: 14, + green: 3, + blue: 15, + }, + "Game 4", + ), + ( + "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green", + Info { + red: 6, + green: 3, + blue: 2, + }, + "Game 5", + ), + ]; + + for (input, expected, message) in test_cases { + assert_eq!( + super::fewest_cubes(&super::parse_game(input)), + expected, + "{}", + message + ); + } + } + + #[test] + fn game_power() { + let test_cases = [ + ( + "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green", + 48, + "Game 1", + ), + ( + "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue", + 12, + "Game 2", + ), + ( + "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red", + 1560, + "Game 3", + ), + ( + "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red", + 630, + "Game 4", + ), + ( + "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green", + 36, + "Game 5", + ), + ]; + + for (input, expected, message) in test_cases { + assert_eq!( + super::fewest_cubes(&super::parse_game(input)).power(), + expected, + "{}", + message + ); + } + } +} diff --git a/2023/src/main.rs b/2023/src/main.rs index 4f33f0b..0dd1945 100644 --- a/2023/src/main.rs +++ b/2023/src/main.rs @@ -1,4 +1,5 @@ mod day1; +mod day2; fn main() { let day = std::env::args().skip(1).next(); @@ -6,6 +7,8 @@ fn main() { let result = match day.as_ref().map(|v| v.as_ref()) { Some("1a") => day1::day1a(), Some("1b") => day1::day1b(), + Some("2a") => day2::day2a(), + Some("2b") => day2::day2b(), _ => panic!("unrecognized day"), };