migrate 392 questions to pattern format

2025-09-10 18:05:55 +01:00
parent 91e48f5239
commit 0ee388c420
402 changed files with 1383 additions and 545 deletions
--- a/backend/data/questions/binary-tree-level-order-traversal-ii.yaml
+++ b/backend/data/questions/binary-tree-level-order-traversal-ii.yaml
@@ -7,8 +7,10 @@ categories:
  - trees
  - queue
 patterns:
-  - bfs
-  - tree-traversal
+  - slug: bfs
+    is_optimal: true
+  - slug: tree-traversal
+    is_optimal: false

 function_signature: "def level_order_bottom(root: TreeNode) -> list[list[int]]:"