day 22 optimization

2023-12-22 06:27:36 +00:00 · 2023-12-22 06:27:36 +00:00 · 2635e69315
parent f805d9d373
commit 2635e69315
1 changed files with 1 additions and 1 deletions
--- a/day22/sol.py
+++ b/day22/sol.py
@ -71,7 +71,7 @@ def canlower(block, under):
    if block[2][0] <= 1:
        return False
    x = lower(block)
-    for u in under:
+    for u in reversed(under):
        if overlaps(u, x):
            return False
    return True