Tree Coding Problems
Navigate hierarchical data structures
252
Total Problems
41
Easy
150
Medium
60
Hard
Practice problems across 75+ categories
Practice problems frequently asked at Tree • 252 problems | 41 Easy | 150 Medium | 60 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Abstract Syntax Tree Builder | Hard | CompilerTreeParsing |
| 2 | Add One Row to Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 3 | All Elements in Two Binary Search Trees | Medium | TreeDepth-First SearchBinary Search Tree |
| 4 | All Nodes Distance K in Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 5 | All Possible Full Binary Trees | Medium | Dynamic ProgrammingTreeRecursion |
| 6 | Amount of Time for Binary Tree to Be Infected | Medium | Hash TableTreeDepth-First Search |
| 7 | Average of Levels in Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 8 | Balance a Binary Search Tree | Medium | Divide and ConquerGreedyTree |
| 9 | Balanced Binary Tree | Easy | TreeDepth-First SearchBinary Tree |
| 10 | Binary Search Tree Iterator | Medium | StackTreeDesign |
| 11 | Binary Search Tree Iterator II | Medium | StackTreeDesign |
| 12 | Binary Search Tree to Greater Sum Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 13 | Binary Tree Cameras | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 14 | Binary Tree Coloring Game | Medium | TreeDepth-First SearchBinary Tree |
| 15 | Binary Tree Inorder Traversal | Easy | StackTreeDepth-First Search |
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