Master these coding challenges to ace your next technical interview. Handpicked problems with personalized spaced repetition.
Showing 14 of 66 problems in NeetCode 150.
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| Status | Title | Difficulty |
|---|---|---|
| 79. Word Search | Medium | |
| 98. Validate Binary Search Tree | Medium | |
| 100. Same Tree | Easy | |
| 104. Maximum Depth of Binary Tree | Easy | |
| 110. Balanced Binary Tree | Easy | |
| 133. Clone Graph | Medium | |
| 199. Binary Tree Right Side View | Medium | |
| 200. Number of Islands | Medium | |
| 207. Course Schedule | Medium | |
| 210. Course Schedule II | Medium | |
| 226. Invert Binary Tree | Easy | |
| 230. Kth Smallest Element in a BST | Medium | |
| 235. Lowest Common Ancestor of a Binary Search Tree | Medium | |
| 236. Lowest Common Ancestor of a Binary Tree | Medium |