diff options
Diffstat (limited to '2023/day2/src')
-rw-r--r-- | 2023/day2/src/lib.rs | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/2023/day2/src/lib.rs b/2023/day2/src/lib.rs deleted file mode 100644 index e18469c..0000000 --- a/2023/day2/src/lib.rs +++ /dev/null @@ -1,99 +0,0 @@ -pub fn part1(input: &str) -> u32 { - let mut res: u32 = 0; - - for (i, line) in input.trim_end().split('\n').enumerate() { - let game = line.split(": ").collect::<Vec<&str>>()[1]; - let mut flag = true; - for point in game.split(";") { - for _play in point.split(',') { - let play = _play.trim(); - let play_s: Vec<_> = play.split(' ').collect(); - let (p, c) = (play_s[0].parse::<i32>().unwrap(), play_s[1].to_string()); - if c.chars().nth(0).unwrap() == 'r' && p > 12 { - flag = false; - } else if c.chars().nth(0).unwrap() == 'g' && p > 13 { - flag = false; - } else if c.chars().nth(0).unwrap() == 'b' && p > 14 { - flag = false; - } - } - } - - if flag { - res += (i + 1) as u32; - } - } - - res -} - -pub fn part2(input: &str) -> u32 { - let mut res: u32 = 0; - - for line in input.trim_end().split('\n') { - let game = line.split(": ").collect::<Vec<&str>>()[1]; - // r, g, b - let mut balls: [u32; 3] = [0, 0, 0]; - for point in game.split(";") { - for _play in point.split(',') { - let play = _play.trim(); - let play_s: Vec<_> = play.split(' ').collect(); - let (p, c) = (play_s[0].parse::<u32>().unwrap(), play_s[1].to_string()); - - let bi = match c.chars().nth(0).unwrap() { - 'r' => 0, - 'g' => 1, - 'b' => 2, - _ => panic!("wtf is this color?!"), - }; - - balls[bi] = if balls[bi] < p { p } else { balls[bi] }; - } - } - - println!("{:?}", balls); - let mut tot = 1; - - for j in balls { - if j != 0 { - tot *= j; - } - } - - res += tot; - } - res -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn example_part1() { - let input = include_str!("../example.txt"); - let result = part1(input); - assert_eq!(result, 8); - } - - #[test] - fn input_part1() { - let input = include_str!("../input.txt"); - let result = part1(input); - assert_eq!(result, 2331); - } - - #[test] - fn example_part2() { - let input = include_str!("../example.txt"); - let result = part2(input); - assert_eq!(result, 2286); - } - - #[test] - fn input_part2() { - let input = include_str!("../input.txt"); - let result = part2(input); - assert_eq!(result, 71585); - } -} |