Practice problems across 75+ categories
Practice problems frequently asked at Binary Tree • 177 problems | 37 Easy | 122 Medium | 17 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 91 | Height of Special Binary Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 92 | House Robber III | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 93 | Increasing Order Search Tree | Easy | StackTreeDepth-First Search |
| 94 | Inorder Successor in BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 95 | Inorder Successor in BST II | Medium | TreeBinary Search TreeBinary Tree |
| 96 | Insert into a Binary Search Tree | Medium | TreeBinary Search TreeBinary Tree |
| 97 | Insufficient Nodes in Root to Leaf Paths | Medium | TreeDepth-First SearchBinary Tree |
| 98 | Invert Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 99 | Is Array a Preorder of Some Binary Tree | Medium | StackTreeDepth-First Search |
| 100 | K-th Largest Perfect Subtree Size in Binary Tree | Medium | TreeDepth-First SearchSorting |
| 101 | Kth Largest Element in a Stream | Easy | TreeDesignBinary Search Tree |
| 102 | Kth Largest Sum in a Binary Tree | Medium | TreeBreadth-First SearchSorting |
| 103 | Kth Smallest Element in a BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 104 | Largest BST Subtree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 105 | Leaf-Similar Trees | Easy | TreeDepth-First SearchBinary Tree |
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