Parallelize 2024-06

Janiczek · Dec 6, 2024 · 2bc3377 · 2bc3377
1 parent 198e163
commit 2bc3377
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/aoc_2024/day_6.gleam b/src/aoc_2024/day_6.gleam
@@ -1,3 +1,5 @@
+import extra
+import gleam/list
 import gleam/set.{type Set}
 import grid.{type Dir, type Grid, type XY}
 
@@ -50,15 +52,16 @@ pub fn pt_2(input: Input) {
       grid.Top,
     )
   orig_path
-  |> set.filter(fn(step: XY) {
+  |> set.to_list
+  |> extra.pmap(fn(step: XY) {
     pt_2_has_loop(
       grid.insert(input.grid, step, Nil),
       set.new(),
       input.guard_xy,
       grid.Top,
     )
   })
-  |> set.size
+  |> list.count(fn(bool) { bool })
 }
 
 fn pt_2_has_loop(