Master these coding challenges to ace your next technical interview. Handpicked problems with personalized spaced repetition.
Showing 6 of 40 problems in SDE Sheet.
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| Status | Title | Difficulty |
|---|---|---|
| 98. Validate Binary Search Tree | Medium | |
| 102. Binary Tree Level Order Traversal | Medium | |
| 104. Maximum Depth of Binary Tree | Easy | |
| 110. Balanced Binary Tree | Easy | |
| 199. Binary Tree Right Side View | Medium | |
| 230. Kth Smallest Element in a BST | Medium |