kamov/advent-of-code
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

2022 day 23 rust

Browse source
This commit is contained in:
Maciej Jur 2022-12-23 23:26:45 +01:00
parent f6a90d3b73
commit 40348cb6fd
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
2022/rust/src/solutions/day23.rs
View file

@ -71,11 +71,11 @@ fn count_empty(elves: &Vec<Loc>) -> usize {
.count()
}
fn round_iter(data: &HashSet<Loc>) -> Box<dyn Iterator<Item=(bool, Vec<Loc>)>> {
fn round_iter(data: &HashSet<Loc>) -> impl Iterator<Item=(bool, Vec<Loc>)> {
let mut elves = Vec::from_iter(data.iter().copied());
let mut moves = VecDeque::from([move_n, move_s, move_w, move_e]);
Box::new(std::iter::repeat(()).map(move |_| {
std::iter::repeat(()).map(move |_| {
let occupied = HashSet::from_iter(elves.iter().copied());
let mut planned = HashMap::<Loc, Vec<usize>>::new();
@ -93,7 +93,7 @@ fn round_iter(data: &HashSet<Loc>) -> Box<dyn Iterator<Item=(bool, Vec<Loc>)>> {
moves.rotate_left(1);
(changed, elves.clone())
}))
})
}
fn solve1(data: &HashSet<Loc>) -> usize {