Day 2
This commit is contained in:
parent
bb23061268
commit
336a1ebbce
|
|
@ -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
|
||||||
|
|
@ -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<Info>);
|
||||||
|
|
||||||
|
#[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<Item = Game>) -> impl Iterator<Item = Game> {
|
||||||
|
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::<Vec<Info>>();
|
||||||
|
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::<usize>().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::<usize>().unwrap(),
|
||||||
|
"green" => info.green = count.parse::<usize>().unwrap(),
|
||||||
|
"blue" => info.blue = count.parse::<usize>().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::<Vec<Game>>();
|
||||||
|
assert_eq!(games.len(), 3);
|
||||||
|
assert_eq!(
|
||||||
|
games.into_iter().map(|g| g.0).collect::<Vec<usize>>(),
|
||||||
|
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
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
mod day1;
|
mod day1;
|
||||||
|
mod day2;
|
||||||
|
|
||||||
fn main() {
|
fn main() {
|
||||||
let day = std::env::args().skip(1).next();
|
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()) {
|
let result = match day.as_ref().map(|v| v.as_ref()) {
|
||||||
Some("1a") => day1::day1a(),
|
Some("1a") => day1::day1a(),
|
||||||
Some("1b") => day1::day1b(),
|
Some("1b") => day1::day1b(),
|
||||||
|
Some("2a") => day2::day2a(),
|
||||||
|
Some("2b") => day2::day2b(),
|
||||||
_ => panic!("unrecognized day"),
|
_ => panic!("unrecognized day"),
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue