"LCA of a BST" is actually Medium (on leetcode) but was listed as Easy

yangshun · Jul 6, 2023 · e648f53 · e648f53
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diff --git a/apps/website/contents/_components/QuestionGroups.json b/apps/website/contents/_components/QuestionGroups.json
@@ -99,17 +99,6 @@
       "topic": "graph",
       "routines": ["matrix", "depth-first-search"]
     },
-    {
-      "slug": "lowest-common-ancestor-of-a-binary-search-tree",
-      "title": "Lowest Common Ancestor of a Binary Search Tree",
-      "url": "https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree",
-      "duration": 20,
-      "epi": 1,
-      "difficulty": "Easy",
-      "id": 235,
-      "topic": "binary-search-tree",
-      "routines": []
-    },
     {
       "slug": "balanced-binary-tree",
       "title": "Balanced Binary Tree",
@@ -301,6 +290,17 @@
       "topic": "array",
       "routines": ["interval"]
     },
+    {
+      "slug": "lowest-common-ancestor-of-a-binary-search-tree",
+      "title": "Lowest Common Ancestor of a Binary Search Tree",
+      "url": "https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree",
+      "duration": 20,
+      "epi": 1,
+      "difficulty": "Medium",
+      "id": 235,
+      "topic": "binary-search-tree",
+      "routines": []
+    },
     {
       "slug": "01-matrix",
       "title": "01 Matrix",

diff --git a/apps/website/contents/best-practice-questions.md b/apps/website/contents/best-practice-questions.md
@@ -117,7 +117,7 @@ Week 4 builds up on knowledge from previous weeks but questions are of increased
 | Question | Difficulty | LeetCode |
 | :-- | --- | --- |
 | Subtree of Another Tree | Easy | [Link](https://leetcode.com/problems/subtree-of-another-tree/) |
-| Lowest Common Ancestor of BST | Easy | [Link](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/) |
+| Lowest Common Ancestor of BST | Medium | [Link](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/) |
 | Implement Trie (Prefix Tree) | Medium | [Link](https://leetcode.com/problems/implement-trie-prefix-tree/) |
 | Add and Search Word | Medium | [Link](https://leetcode.com/problems/add-and-search-word-data-structure-design/) |
 | Kth Smallest Element in a BST | Medium | [Link](https://leetcode.com/problems/kth-smallest-element-in-a-bst/) |