Practice problems across 75+ categories
Practice problems frequently asked at Tree • 252 problems | 41 Easy | 150 Medium | 60 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 196 | Most Profitable Path in a Tree | Medium | ArrayTreeDepth-First Search |
| 197 | Move Sub-Tree of N-Ary Tree | Hard | TreeDepth-First Search |
| 198 | N-ary Tree Level Order Traversal | Medium | TreeBreadth-First Search |
| 199 | N-ary Tree Postorder Traversal | Easy | StackTreeDepth-First Search |
| 200 | N-ary Tree Preorder Traversal | Easy | StackTreeDepth-First Search |
| 201 | Number of Good Leaf Nodes Pairs | Medium | TreeDepth-First SearchBinary Tree |
| 202 | Number of Good Paths | Hard | ArrayHash TableTree |
| 203 | Number of Nodes in the Sub-Tree With the Same Label | Medium | Hash TableTreeDepth-First Search |
| 204 | Number of Nodes With Value One | Medium | ArrayTreeDepth-First Search |
| 205 | Number of Ways to Assign Edge Weights I | Medium | MathTreeDepth-First Search |
| 206 | Number of Ways to Assign Edge Weights II | Hard | ArrayMathDynamic Programming |
| 207 | Number Of Ways To Reconstruct A Tree | Hard | TreeGraph |
| 208 | Number of Ways to Reorder Array to Get Same BST | Hard | ArrayMathDivide and Conquer |
| 209 | Operations on Tree | Medium | ArrayHash TableTree |
| 210 | Path In Zigzag Labelled Binary Tree | Medium | MathTreeBinary Tree |
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