Practice problems across 75+ categories
Practice problems frequently asked at Binary Tree • 177 problems | 37 Easy | 122 Medium | 17 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 106 | Linked List in Binary Tree | Medium | Linked ListTreeDepth-First Search |
| 107 | Longest Univalue Path | Medium | TreeDepth-First SearchBinary Tree |
| 108 | Longest ZigZag Path in a Binary Tree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 109 | Lowest Common Ancestor of a Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 110 | Lowest Common Ancestor of a Binary Tree | Medium | TreeDepth-First SearchBinary Tree |
| 111 | Lowest Common Ancestor of a Binary Tree II | Medium | TreeDepth-First SearchBinary Tree |
| 112 | Lowest Common Ancestor of a Binary Tree III | Medium | Hash TableTwo PointersTree |
| 113 | Lowest Common Ancestor of a Binary Tree IV | Medium | Hash TableTreeDepth-First Search |
| 114 | Lowest Common Ancestor of Deepest Leaves | Medium | Hash TableTreeDepth-First Search |
| 115 | Make Costs of Paths Equal in a Binary Tree | Medium | ArrayDynamic ProgrammingGreedy |
| 116 | Maximum Average Subtree | Medium | TreeDepth-First SearchBinary Tree |
| 117 | Maximum Binary Tree | Medium | ArrayDivide and ConquerStack |
| 118 | Maximum Binary Tree II | Medium | TreeBinary Tree |
| 119 | Maximum Depth of Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 120 | Maximum Difference Between Node and Ancestor | Medium | TreeDepth-First SearchBinary Tree |
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