Practice problems across 75+ categories
Practice problems frequently asked at Binary Tree • 177 problems | 37 Easy | 122 Medium | 17 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 76 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 77 | Find All The Lonely Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 78 | Find Bottom Left Tree Value | Medium | TreeDepth-First SearchBreadth-First Search |
| 79 | Find Distance in a Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 80 | Find Duplicate Subtrees | Medium | Hash TableTreeDepth-First Search |
| 81 | Find Elements in a Contaminated Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 82 | Find Largest Value in Each Tree Row | Medium | TreeDepth-First SearchBreadth-First Search |
| 83 | Find Leaves of Binary Tree | Medium | TreeDepth-First SearchBinary Tree |
| 84 | Find Mode in Binary Search Tree | Easy | TreeDepth-First SearchBinary Search Tree |
| 85 | Find Nearest Right Node in Binary Tree | Medium | TreeBreadth-First SearchBinary Tree |
| 86 | Find the Level of Tree with Minimum Sum | Medium | TreeDepth-First SearchBreadth-First Search |
| 87 | Flatten Binary Tree to Linked List | Medium | Linked ListStackTree |
| 88 | Flip Binary Tree To Match Preorder Traversal | Medium | TreeDepth-First SearchBinary Tree |
| 89 | Flip Equivalent Binary Trees | Medium | TreeDepth-First SearchBinary Tree |
| 90 | Height of Binary Tree After Subtree Removal Queries | Hard | ArrayTreeDepth-First Search |
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