Practice problems across 75+ categories
Practice problems frequently asked at Binary Search Tree • 40 problems | 9 Easy | 27 Medium | 3 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 16 | Find Mode in Binary Search Tree | Easy | TreeDepth-First SearchBinary Search Tree |
| 17 | Increasing Order Search Tree | Easy | StackTreeDepth-First Search |
| 18 | Inorder Successor in BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 19 | Inorder Successor in BST II | Medium | TreeBinary Search TreeBinary Tree |
| 20 | Insert into a Binary Search Tree | Medium | TreeBinary Search TreeBinary Tree |
| 21 | Kth Largest Element in a Stream | Easy | TreeDesignBinary Search Tree |
| 22 | Kth Smallest Element in a BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 23 | Largest BST Subtree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 24 | Lowest Common Ancestor of a Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 25 | Maximum Sum BST in Binary Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 26 | Minimum Absolute Difference in BST | Easy | TreeDepth-First SearchBreadth-First Search |
| 27 | Minimum Distance Between BST Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 28 | Number of Ways to Reorder Array to Get Same BST | Hard | ArrayMathDivide and Conquer |
| 29 | Range Sum of BST | Easy | TreeDepth-First SearchBinary Search Tree |
| 30 | Recover Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
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