Practice problems across 75+ categories
Practice problems frequently asked at Binary Tree • 177 problems | 37 Easy | 122 Medium | 17 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 121 | Maximum Level Sum of a Binary Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 122 | Maximum Product of Splitted Binary Tree | Medium | TreeDepth-First SearchBinary Tree |
| 123 | Maximum Sum BST in Binary Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 124 | Maximum Width of Binary Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 125 | Merge BSTs to Create Single BST | Hard | Hash TableBinary SearchTree |
| 126 | Merge Two Binary Trees | Easy | TreeDepth-First SearchBreadth-First Search |
| 127 | Minimum Absolute Difference in BST | Easy | TreeDepth-First SearchBreadth-First Search |
| 128 | Minimum Depth of Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 129 | Minimum Distance Between BST Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 130 | Minimum Flips in Binary Tree to Get Result | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 131 | Minimum Number of Operations to Sort a Binary Tree by Level | Medium | TreeBreadth-First SearchBinary Tree |
| 132 | Most Frequent Subtree Sum | Medium | Hash TableTreeDepth-First Search |
| 133 | Number of Good Leaf Nodes Pairs | Medium | TreeDepth-First SearchBinary Tree |
| 134 | Number of Nodes With Value One | Medium | ArrayTreeDepth-First Search |
| 135 | Number of Ways to Reorder Array to Get Same BST | Hard | ArrayMathDivide and Conquer |
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