2022 rust day 12

2022-12-12 17:38:08 +01:00 · 2022-12-12 17:38:08 +01:00 · 9ee78e0f27
parent 36d8191f67
commit 9ee78e0f27
1 changed files with 1 additions and 0 deletions
--- a/2022/rust/src/solutions/day12.rs
+++ b/2022/rust/src/solutions/day12.rs
@ -90,6 +90,7 @@ fn solve1((start, goal, grid): &Data) -> usize {


 fn solve2((_, goal, grid): &Data) -> usize {
+    // very ineffective! ideally we should execute the algorithm just once
    grid.cell_indices()
        .filter_map(|index| match grid[index] == 0 {
            true => Some(index),