diff --git a/input/year2022/day05.txt b/input/year2022/day05.txt new file mode 100644 index 0000000..e34750c --- /dev/null +++ b/input/year2022/day05.txt @@ -0,0 +1,512 @@ +[N] [G] [Q] +[H] [B] [B] [R] [H] +[S] [N] [Q] [M] [T] [Z] +[J] [T] [R] [V] [H] [R] [S] +[F] [Q] [W] [T] [V] [J] [V] [M] +[W] [P] [V] [S] [F] [B] [Q] [J] [H] +[T] [R] [Q] [B] [D] [D] [B] [N] [N] +[D] [H] [L] [N] [N] [M] [D] [D] [B] + 1 2 3 4 5 6 7 8 9 + +move 3 from 1 to 2 +move 1 from 7 to 1 +move 1 from 6 to 5 +move 5 from 5 to 9 +move 2 from 5 to 2 +move 1 from 6 to 8 +move 1 from 5 to 7 +move 5 from 4 to 6 +move 1 from 7 to 6 +move 1 from 2 to 4 +move 5 from 2 to 6 +move 2 from 1 to 5 +move 2 from 1 to 9 +move 16 from 6 to 4 +move 6 from 8 to 3 +move 7 from 2 to 4 +move 5 from 9 to 3 +move 1 from 1 to 4 +move 1 from 1 to 3 +move 3 from 7 to 4 +move 2 from 5 to 4 +move 31 from 4 to 8 +move 22 from 8 to 4 +move 9 from 3 to 6 +move 7 from 9 to 5 +move 4 from 5 to 6 +move 6 from 3 to 2 +move 2 from 6 to 7 +move 5 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+move 10 from 2 to 9 +move 21 from 1 to 8 +move 1 from 2 to 8 +move 19 from 8 to 4 +move 1 from 8 to 3 +move 16 from 4 to 8 +move 1 from 4 to 2 +move 2 from 1 to 5 +move 1 from 2 to 3 +move 1 from 4 to 5 +move 1 from 4 to 8 +move 2 from 1 to 3 +move 3 from 3 to 2 +move 5 from 9 to 1 +move 1 from 3 to 4 +move 4 from 9 to 4 +move 2 from 1 to 9 +move 2 from 2 to 5 +move 1 from 2 to 7 +move 3 from 1 to 7 +move 10 from 8 to 6 +move 4 from 8 to 5 +move 3 from 4 to 3 +move 3 from 3 to 4 +move 1 from 9 to 8 +move 2 from 7 to 2 +move 1 from 2 to 1 +move 4 from 9 to 3 diff --git a/src/lib.rs b/src/lib.rs index 8d43137..da36af8 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -16,4 +16,5 @@ pub mod year2022 { pub mod day02; pub mod day03; pub mod day04; + pub mod day05; } diff --git a/src/main.rs b/src/main.rs index d1e6a7b..658a7c9 100644 --- a/src/main.rs +++ b/src/main.rs @@ -86,5 +86,6 @@ fn year2022() -> Vec { solution!(year2022, day02), solution!(year2022, day03), solution!(year2022, day04), + solution!(year2022, day05), ] } diff --git a/src/year2022/day05.rs b/src/year2022/day05.rs new file mode 100644 index 0000000..455e050 --- /dev/null +++ b/src/year2022/day05.rs @@ -0,0 +1,64 @@ +use std::collections::BTreeMap; + +use crate::util::parse::ParseExt; + +fn parse(input: &str) -> (BTreeMap>, Vec<[u32; 3]>) { + let mut crates: BTreeMap> = BTreeMap::new(); + let mut moves = vec![]; + let (board, moveset) = input.split_once("\n\n\n").expect("must be there"); + + board.lines().for_each(|line| { + if !line.contains('[') { + return; + } + + line.chars() + .enumerate() + .filter(|(_idx, c)| c.is_ascii_uppercase()) + .for_each(|(idx, c)| { + crates + .entry(((idx - 4) / 4) + 1) + .and_modify(|v| v.push(c)) + .or_insert(vec![]); + }); + }); + crates.values_mut().for_each(|v| v.reverse()); + + let moves = moveset + .lines() + .map(|line| { + let mut nums = line.u32s(); + [ + nums.next().expect("first num"), + nums.next().expect("second num"), + nums.next().expect("third num"), + ] + }) + .collect(); + + (crates, moves) +} + +pub fn part1(input: &str) -> impl std::fmt::Display { + "" +} + +pub fn part2(input: &str) -> impl std::fmt::Display { + "" +} + +#[test] +fn test_part1() { + assert_eq!( + "2", + part1("2-4,6-8\n2-3,4-5\n5-7,7-9\n2-8,3-7\n6-6,4-6\n2-6,4-8").to_string() + ) +} + +#[test] +fn test_part2() { + assert_eq!( + "4", + part2("2-4,6-8\n2-3,4-5\n5-7,7-9\n2-8,3-7\n6-6,4-6\n2-6,4-8").to_string() + ) +}