migrate 392 questions to pattern format

2025-09-10 18:05:55 +01:00
parent 13bab63618
commit c60ae08f56
402 changed files with 1383 additions and 545 deletions
--- a/backend/data/questions/invert-binary-tree.yaml
+++ b/backend/data/questions/invert-binary-tree.yaml
@@ -7,9 +7,12 @@ categories:
  - trees
  - recursion
 patterns:
-  - tree-traversal
-  - dfs
-  - bfs
+  - slug: tree-traversal
+    is_optimal: false
+  - slug: dfs
+    is_optimal: false
+  - slug: bfs
+    is_optimal: true

 function_signature: "def invert_tree(root: TreeNode | None) -> TreeNode | None:"