diff --git a/day-02/input2.txt b/day-02/input2.txt index e69de29..c64dfa1 100644 --- a/day-02/input2.txt +++ b/day-02/input2.txt @@ -0,0 +1,100 @@ +Game 1: 3 blue, 2 green, 6 red; 17 green, 4 red, 8 blue; 2 red, 1 green, 10 blue; 1 blue, 5 green +Game 2: 9 red, 2 green; 5 red, 1 blue, 6 green; 3 green, 13 red, 1 blue; 3 red, 6 green; 1 blue, 14 red, 6 green +Game 3: 6 red, 3 blue, 8 green; 6 blue, 12 green, 15 red; 3 blue, 18 green, 4 red +Game 4: 1 blue, 4 red; 2 blue, 6 red; 13 blue; 11 blue, 1 green, 8 red; 10 blue, 3 green, 2 red; 3 green, 7 blue +Game 5: 2 red, 1 blue, 8 green; 2 blue, 7 green, 3 red; 1 blue, 7 green, 4 red; 2 blue, 1 green, 1 red; 13 green, 1 blue +Game 6: 7 green, 1 red, 3 blue; 1 red, 4 blue; 6 green, 6 blue; 8 green, 1 red; 6 green, 1 red, 5 blue +Game 7: 10 blue, 1 green; 5 red, 8 blue, 3 green; 11 blue, 5 red, 8 green; 2 blue, 8 red, 5 green; 7 blue, 9 green; 6 blue, 2 green, 7 red +Game 8: 15 green, 8 blue, 3 red; 6 blue, 7 green, 5 red; 2 green, 1 red, 5 blue; 9 blue, 9 green, 5 red +Game 9: 16 red; 5 blue, 6 red, 9 green; 7 blue, 6 green, 2 red; 15 red, 5 blue, 3 green; 1 red, 6 green, 6 blue; 3 blue, 7 red, 5 green +Game 10: 17 green, 5 blue, 6 red; 18 green, 9 red; 4 red, 4 blue, 4 green; 10 red, 6 green, 5 blue; 8 red, 4 blue, 12 green +Game 11: 4 blue, 2 green, 5 red; 1 blue, 1 red; 9 blue, 1 green, 2 red; 4 red, 10 blue; 3 green, 4 blue, 3 red +Game 12: 4 green, 2 blue, 7 red; 4 blue, 2 green, 1 red; 7 green, 5 blue, 9 red +Game 13: 1 green, 3 red, 3 blue; 1 blue, 10 green; 2 green, 3 blue +Game 14: 7 red, 3 green, 12 blue; 5 red, 4 green, 6 blue; 13 blue, 1 red; 4 blue, 6 red, 2 green; 4 red, 3 blue; 9 red, 13 blue +Game 15: 4 blue, 5 red, 2 green; 7 red, 2 blue, 1 green; 17 red, 3 blue; 2 blue; 4 blue, 8 red +Game 16: 5 blue; 9 red, 14 green, 5 blue; 5 blue, 9 green +Game 17: 3 blue, 5 red; 6 blue, 1 green, 4 red; 7 green, 6 blue, 7 red; 1 red, 6 blue, 4 green; 6 green; 1 blue, 6 green +Game 18: 9 blue, 4 green, 2 red; 1 green, 9 red, 10 blue; 14 red, 10 green, 17 blue; 12 red, 1 green, 15 blue; 3 blue, 8 red, 2 green; 3 green, 11 red, 13 blue +Game 19: 1 blue, 3 red, 9 green; 14 green, 3 red, 2 blue; 1 blue, 8 red, 11 green; 4 blue, 3 red; 14 red, 4 green; 5 red, 8 green +Game 20: 2 blue, 3 red, 2 green; 3 blue, 2 green; 1 red, 4 green, 5 blue; 9 blue, 9 green, 3 red; 3 green, 1 blue, 4 red; 1 red, 9 green, 2 blue +Game 21: 11 blue, 6 red; 8 red; 7 red, 6 green, 11 blue; 7 green, 7 red, 11 blue; 6 red, 12 blue +Game 22: 7 green, 8 blue, 5 red; 12 green, 4 red, 2 blue; 12 green, 7 red, 11 blue +Game 23: 5 green, 2 blue, 7 red; 6 blue, 8 green, 3 red; 10 red, 5 blue; 6 green, 3 blue; 1 green, 8 red +Game 24: 17 blue, 1 green, 2 red; 2 red, 11 green, 9 blue; 6 red, 8 blue +Game 25: 3 red, 1 blue, 19 green; 1 blue, 1 green, 6 red; 6 green, 5 blue; 4 green, 2 red, 19 blue; 6 red, 19 blue, 18 green; 1 red, 4 blue, 1 green +Game 26: 3 red, 4 blue, 2 green; 2 red, 1 green, 3 blue; 14 blue, 1 green, 3 red; 5 green, 2 red, 10 blue; 9 blue, 2 red, 7 green; 15 blue, 4 green, 3 red +Game 27: 3 blue, 5 red, 2 green; 6 red, 7 blue, 9 green; 14 green, 11 red, 6 blue; 3 blue, 20 green, 3 red; 6 red, 15 green, 7 blue; 13 red, 1 blue, 14 green +Game 28: 4 blue, 7 green, 4 red; 2 red, 4 blue, 7 green; 6 blue, 11 green, 4 red; 6 blue, 6 green, 3 red; 6 green, 12 red +Game 29: 3 red, 9 blue; 5 red, 5 blue; 2 green, 3 red, 3 blue +Game 30: 1 green, 1 red, 3 blue; 1 blue, 1 red, 3 green; 1 blue; 1 blue, 3 green, 1 red; 2 blue, 2 green +Game 31: 2 blue, 1 red; 1 blue, 1 green, 1 red; 4 blue, 3 green; 1 red, 3 green, 2 blue; 2 green +Game 32: 1 blue, 6 green; 9 red, 6 green; 1 blue, 15 red, 3 green +Game 33: 18 green, 1 blue, 10 red; 10 red, 1 blue, 7 green; 11 green; 6 red, 13 green +Game 34: 10 red, 14 blue, 6 green; 2 green, 13 blue, 1 red; 8 green, 7 blue, 1 red; 9 blue, 7 green, 4 red +Game 35: 5 blue, 9 green, 2 red; 7 green, 9 blue, 5 red; 1 green, 5 red +Game 36: 10 red; 5 red, 1 green, 1 blue; 2 green, 8 red; 9 red, 2 green; 1 blue, 10 red; 6 red, 1 green, 1 blue +Game 37: 13 red, 1 blue, 7 green; 1 green, 9 red, 3 blue; 4 red, 1 blue, 11 green; 1 red; 1 red, 1 blue; 6 red, 3 blue, 2 green +Game 38: 3 blue, 12 red, 7 green; 1 green; 12 red, 1 blue +Game 39: 7 green, 12 blue, 2 red; 3 red, 10 blue, 7 green; 2 red, 8 green, 3 blue; 3 red, 12 blue, 5 green +Game 40: 7 green, 5 red; 1 green, 2 blue; 2 red, 1 green, 7 blue +Game 41: 1 red, 7 green, 2 blue; 2 green, 2 blue; 4 blue, 7 green, 1 red; 1 blue, 1 red, 7 green; 6 blue, 2 red, 3 green +Game 42: 6 blue; 4 green, 18 blue, 1 red; 10 green, 14 blue, 2 red; 6 blue, 4 green; 2 red, 13 blue, 6 green; 6 green, 1 red, 5 blue +Game 43: 5 blue, 12 red; 5 blue, 2 green, 7 red; 9 red, 4 blue; 1 green, 11 red, 2 blue; 5 red, 1 green; 2 blue, 3 red, 1 green +Game 44: 4 blue, 9 red, 4 green; 4 blue, 10 red; 4 green, 5 red; 1 green, 2 red, 3 blue +Game 45: 7 green, 2 blue, 18 red; 19 red, 7 green; 8 green, 1 blue, 19 red; 2 green, 12 red; 6 red, 5 green; 7 green, 10 red +Game 46: 1 blue, 15 red, 11 green; 7 red, 1 green, 5 blue; 13 red, 2 blue, 2 green; 7 green, 5 blue, 10 red; 12 green, 3 red, 1 blue +Game 47: 2 blue, 2 red, 5 green; 7 green, 2 red, 7 blue; 10 blue, 2 red, 8 green +Game 48: 8 green, 10 red; 6 green, 5 red; 12 green, 2 blue; 17 green, 5 red, 1 blue; 14 green, 3 blue, 16 red; 1 blue, 5 red +Game 49: 5 blue, 6 red, 12 green; 8 blue, 15 green; 4 blue, 3 green, 3 red; 6 red, 11 green, 10 blue; 9 green, 2 red, 10 blue +Game 50: 10 red, 11 green, 14 blue; 6 green, 8 blue, 17 red; 2 blue, 4 red; 6 blue, 8 green, 17 red; 17 red, 9 blue, 2 green; 13 blue, 16 red, 12 green +Game 51: 12 red, 2 green, 7 blue; 5 blue, 10 red; 1 blue, 7 red, 1 green; 14 blue, 2 red, 1 green +Game 52: 5 blue, 5 red, 8 green; 1 blue, 9 green, 7 red; 4 blue, 5 red, 3 green; 7 green, 2 blue, 2 red; 5 red, 3 blue, 17 green; 19 green, 1 red +Game 53: 4 red, 1 blue, 2 green; 1 green; 2 red; 1 blue, 2 green; 2 green, 4 red +Game 54: 7 red; 9 red, 2 blue, 14 green; 1 blue, 5 green; 7 green, 3 blue +Game 55: 11 blue, 2 green; 11 blue, 9 green, 12 red; 8 green, 6 blue, 12 red +Game 56: 2 green, 1 red, 2 blue; 4 red, 5 green, 5 blue; 5 red, 5 blue, 10 green; 8 red, 3 green, 3 blue +Game 57: 7 red, 3 green; 1 blue, 6 red, 1 green; 1 blue; 7 red, 1 green, 1 blue; 2 red, 1 blue, 1 green; 3 green, 1 blue +Game 58: 9 blue, 2 red; 2 green, 9 blue, 2 red; 5 blue, 4 green +Game 59: 8 red; 5 green, 1 blue, 3 red; 1 green, 8 red +Game 60: 9 green, 8 blue, 3 red; 10 green, 4 red; 8 blue, 2 green, 4 red; 1 red, 5 green, 7 blue; 1 green, 4 blue, 1 red; 4 blue +Game 61: 5 blue, 9 red, 4 green; 5 green, 7 blue, 6 red; 7 green, 8 red; 7 blue, 4 red, 2 green; 8 red, 4 blue, 5 green; 3 green, 9 red, 7 blue +Game 62: 9 red, 10 blue; 1 green, 7 red, 13 blue; 1 green, 11 blue; 6 red, 16 blue, 5 green; 20 red, 1 green, 3 blue +Game 63: 9 red, 8 green, 1 blue; 13 green, 12 red, 1 blue; 7 green, 5 red, 3 blue +Game 64: 3 red, 2 blue, 10 green; 3 green; 1 blue, 8 green, 2 red; 7 red, 1 blue, 4 green; 9 red, 1 blue, 4 green +Game 65: 7 red, 6 green; 1 blue, 4 green, 7 red; 6 red; 6 red, 4 green, 1 blue +Game 66: 4 blue, 4 green; 1 red, 7 green, 1 blue; 7 green, 3 red, 3 blue; 1 blue, 1 red, 6 green; 3 red, 7 green +Game 67: 5 green, 16 blue, 5 red; 4 red, 7 green, 3 blue; 4 red, 4 green, 9 blue; 12 green, 5 red; 15 green, 3 red; 10 blue, 6 red, 1 green +Game 68: 3 green, 3 blue, 5 red; 2 green, 6 blue; 2 green, 3 blue, 1 red; 1 blue, 11 red +Game 69: 5 green, 1 blue; 16 green, 9 red; 10 red, 18 green +Game 70: 1 blue, 1 green; 1 red; 1 red, 2 blue, 1 green; 1 green, 2 red; 2 blue, 2 red; 1 red +Game 71: 11 red; 2 green, 3 blue, 13 red; 1 green, 3 blue; 15 red, 1 green, 3 blue; 4 red +Game 72: 2 blue, 6 red, 18 green; 6 red, 8 green, 7 blue; 5 blue, 3 red, 12 green; 3 red, 2 blue, 4 green +Game 73: 12 blue, 7 green, 4 red; 5 green, 2 red, 4 blue; 3 green, 3 red, 10 blue; 1 green, 12 blue, 6 red; 3 blue, 6 green, 14 red +Game 74: 3 red; 1 blue, 8 green, 11 red; 3 green, 2 red +Game 75: 5 green, 2 red, 1 blue; 8 green, 2 red; 11 green, 2 red; 2 red, 17 green; 3 blue, 3 green, 2 red +Game 76: 1 blue, 5 green, 4 red; 8 green, 11 blue, 5 red; 8 blue, 2 red, 11 green +Game 77: 1 red, 11 blue, 7 green; 8 green, 4 blue; 1 blue, 8 green +Game 78: 1 green, 1 red, 1 blue; 3 green, 1 blue, 3 red; 10 green, 1 blue; 12 green +Game 79: 1 red, 11 blue, 6 green; 3 green, 3 red, 5 blue; 16 blue, 1 red, 5 green; 11 blue, 3 green, 2 red; 8 blue, 6 green, 4 red +Game 80: 5 green; 6 green, 7 red, 4 blue; 7 green, 5 blue; 6 blue, 6 green; 7 blue, 7 green; 6 green, 7 blue, 5 red +Game 81: 1 green, 14 blue; 11 blue, 1 red; 1 red, 16 green, 2 blue; 9 green, 1 red, 13 blue; 10 green, 8 blue +Game 82: 7 green, 7 red, 3 blue; 4 blue, 1 green, 4 red; 2 green, 14 blue, 3 red +Game 83: 15 blue; 2 blue, 1 green, 4 red; 8 green, 4 red, 6 blue +Game 84: 12 blue, 17 green; 6 green, 1 red, 16 blue; 1 blue, 1 red; 5 blue, 11 green +Game 85: 5 blue, 15 green, 3 red; 4 blue, 1 green, 11 red; 8 red, 2 blue, 4 green +Game 86: 11 blue, 16 green, 16 red; 11 blue, 17 red, 10 green; 8 green, 7 red +Game 87: 2 red, 4 green, 2 blue; 2 blue, 6 green; 2 red, 3 blue, 3 green; 1 red, 4 green; 1 green, 2 blue, 2 red; 4 blue, 4 green +Game 88: 10 red, 7 green; 2 blue, 6 red, 1 green; 8 blue, 8 red, 7 green; 2 green, 5 blue, 2 red; 3 blue, 3 red, 6 green +Game 89: 9 blue, 16 green; 2 red, 5 blue, 6 green; 12 blue, 15 green; 8 green, 2 red, 3 blue +Game 90: 18 red, 1 blue; 3 red, 5 blue, 4 green; 1 blue, 2 green, 6 red; 2 green, 16 red, 3 blue; 5 blue, 13 red, 5 green +Game 91: 4 red, 7 green, 1 blue; 3 green, 16 blue, 2 red; 4 green, 8 blue +Game 92: 4 red, 3 green; 5 red, 11 green, 1 blue; 16 green, 13 red; 15 green, 14 red, 3 blue; 3 red, 5 green, 2 blue +Game 93: 2 blue, 1 red, 3 green; 10 blue, 1 red, 10 green; 11 blue, 16 green, 4 red; 2 green, 20 blue, 7 red; 11 green, 8 red, 15 blue; 9 green, 10 blue, 1 red +Game 94: 2 blue, 12 red, 10 green; 16 red, 9 blue, 6 green; 5 green, 9 blue, 11 red; 4 red, 2 blue +Game 95: 2 green, 9 red, 1 blue; 2 blue, 1 red; 2 green, 5 blue, 3 red +Game 96: 1 green, 5 red, 13 blue; 1 green, 2 red, 13 blue; 2 green, 2 red, 17 blue; 3 red, 1 green; 6 red, 2 green; 1 green, 7 blue, 4 red +Game 97: 1 green, 1 red, 1 blue; 2 blue, 11 green; 1 blue, 13 green; 9 blue, 6 green, 1 red; 10 green, 8 blue +Game 98: 12 green, 9 red; 12 green, 10 blue, 3 red; 3 red, 13 green, 7 blue +Game 99: 8 green, 10 blue, 1 red; 10 green, 2 red, 6 blue; 3 green, 1 blue, 1 red; 10 blue, 1 red +Game 100: 8 blue, 6 green, 8 red; 7 red, 2 blue; 2 red, 10 green, 10 blue; 9 green, 7 red; 3 red, 7 green, 1 blue diff --git a/day-02/src/bin/part2.rs b/day-02/src/bin/part2.rs index 11a9a0a..6d96cb4 100644 --- a/day-02/src/bin/part2.rs +++ b/day-02/src/bin/part2.rs @@ -1,5 +1,5 @@ use color_eyre::Result; -use day_02::part1::process; +use day_02::part2::process; fn main() -> Result<()> { let file = include_str!("../../input2.txt"); diff --git a/day-02/src/part2.rs b/day-02/src/part2.rs index 676ed5e..c5bca9d 100644 --- a/day-02/src/part2.rs +++ b/day-02/src/part2.rs @@ -1,7 +1,103 @@ use color_eyre::Result; -pub fn process(_input: &str) -> Result { - Ok(0) +#[derive(Clone, Debug)] +enum Color { + Red, + Green, + Blue, +} + +#[derive(Clone, Debug)] +struct Game { + bags: Vec, +} + +impl Game { + fn new() -> Self { + Game { bags: Vec::new() } + } +} + +#[derive(Clone, Debug, Default)] +struct Bag { + red: u32, + green: u32, + blue: u32, +} + +impl Bag { + fn new(red: u32, green: u32, blue: u32) -> Self { + Bag { red, green, blue } + } + + fn add_red(&mut self, num: u32) { + self.red += num; + } + + fn add_green(&mut self, num: u32) { + self.green += num; + } + + fn add_blue(&mut self, num: u32) { + self.blue += num; + } +} + +fn parse_color(color: &str) -> Option { + let color = color.to_lowercase(); + if color.contains("red") { + Some(Color::Red) + } else if color.contains("green") { + Some(Color::Green) + } else if color.contains("blue") { + Some(Color::Blue) + } else { + None + } +} + +fn parse_line(line: &str) -> Result { + let mut parts: Vec<_> = line.split(|c| c == ';' || c == ':').collect(); + parts.remove(0); + + let mut game = Game::new(); + + parts.iter().for_each(|part| { + let colors: Vec<_> = part.split_whitespace().collect(); + let mut bag = Bag::default(); + for chunk in colors.chunks_exact(2).into_iter() { + if let Some(parsed_color) = parse_color(chunk[1]) { + if let Ok(amount) = chunk.get(0).unwrap_or(&"ID not found").parse::() { + match parsed_color { + Color::Red => bag.add_red(amount), + Color::Green => bag.add_green(amount), + Color::Blue => bag.add_blue(amount), + } + } + } + } + game.bags.push(bag); + }); + + Ok(game) +} + +pub fn process(input: &str) -> Result { + let games: Vec = input.lines().flat_map(|line| parse_line(line)).collect(); + let sum: u32 = games + .iter() + .map(|game| { + let max_bag = game.bags.iter().cloned().fold(Bag::default(), |acc, bag| { + Bag::new( + acc.red.max(bag.red), + acc.green.max(bag.green), + acc.blue.max(bag.blue), + ) + }); + max_bag.red * max_bag.green * max_bag.blue + }) + .sum(); + Ok(sum) } #[cfg(test)] @@ -10,8 +106,12 @@ mod tests { #[test] fn test_process() -> Result<()> { - let input = ""; - assert_eq!(0, process(input)?); + let 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"; + assert_eq!(2286, process(input)?); Ok(()) } }