diff --git a/contents/best-practice-questions.md b/contents/best-practice-questions.md index 904ec4a2..cf16270c 100644 --- a/contents/best-practice-questions.md +++ b/contents/best-practice-questions.md @@ -106,8 +106,8 @@ Week 4 builds up on knowledge from previous weeks but questions are of increased | :-- | --- | --- | | 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/) | -| Add and Search Word | Medium | [Link](https://leetcode.com/problems/add-and-search-word-data-structure-design/) | | 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/) | | Merge K Sorted Lists | Hard | [Link](https://leetcode.com/problems/merge-k-sorted-lists/) | | Find Median from Data Stream | Hard | [Link](https://leetcode.com/problems/find-median-from-data-stream/) |