-1

Author: encse

2024/Day18/Solution.cs

@@ -16,7 +16,7 @@ public object PartTwo(string input) {
         // we can use a binary search for this
 
         var blocks = GetBlocks(input);
-        var (lo, hi) = (0, blocks.Length - 1);
+        var (lo, hi) = (0, blocks.Length);
         while (hi - lo > 1) {
             var m = (lo + hi) / 2;
             if (Distance(blocks, m) == null) {