add day 11

Claude guided me through this extensively, but I wrote all this on my own in the end. Uses breadth first search (BFS). This is slow, but it produces the correct answer.
2026-07-01 16:07:52 +02:00
parent b21143a92a
commit bd36a0af12
3 changed files with 224 additions and 0 deletions
@@ -0,0 +1,7 @@
+[package]
+name = "day11"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+itertools = "*"