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/delete-node-in-a-bst.yaml
+++ b/backend/data/questions/delete-node-in-a-bst.yaml
@@ -6,8 +6,10 @@ leetcode_url: https://leetcode.com/problems/delete-node-in-a-bst/
 categories:
  - trees
 patterns:
-  - tree-traversal
-  - dfs
+  - slug: tree-traversal
+    is_optimal: true
+  - slug: dfs
+    is_optimal: false

 function_signature: "def delete_node(root: TreeNode | None, key: int) -> TreeNode | None:"