Day 23 hint for improving runtime.

2020-12-26 08:25:06 -08:00
parent e04081ac4a
commit e3d9c13731
1 changed files with 2 additions and 0 deletions
--- a/2020/src/day23.rs
+++ b/2020/src/day23.rs
@@ -128,6 +128,8 @@ struct TargetCup {
    idx: usize,
 }

+/// TODO(wathiede): redo based on this sentence from glenng:
+/// `So a circular linked list containing 2,1,3 would be [3,1,2]`
 #[derive(Debug)]
 struct FastHand {
    idx_to_val: Vec<usize>,