Practice problems across 75+ categories
Practice problems frequently asked at Tree • 252 problems | 41 Easy | 150 Medium | 60 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 226 | Split BST | Medium | TreeBinary Search TreeRecursion |
| 227 | Step-By-Step Directions From a Binary Tree Node to Another | Medium | StringTreeDepth-First Search |
| 228 | Subtree Inversion Sum | Hard | ArrayDynamic ProgrammingTree |
| 229 | Subtree of Another Tree | Easy | TreeDepth-First SearchString Matching |
| 230 | Subtree Removal Game with Fibonacci Tree | Hard | MathDynamic ProgrammingTree |
| 231 | Sum of Distances in Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 232 | Sum of Left Leaves | Easy | TreeDepth-First SearchBreadth-First Search |
| 233 | Sum of Nodes with Even-Valued Grandparent | Medium | TreeDepth-First SearchBreadth-First Search |
| 234 | Sum of Root To Leaf Binary Numbers | Easy | TreeDepth-First SearchBinary Tree |
| 235 | Sum Root to Leaf Numbers | Medium | TreeDepth-First SearchBinary Tree |
| 236 | Symmetric Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 237 | Throne Inheritance | Medium | Hash TableTreeDepth-First Search |
| 238 | Time Needed to Inform All Employees | Medium | TreeDepth-First SearchBreadth-First Search |
| 239 | Time Taken to Mark All Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 240 | Tree Diameter | Medium | TreeDepth-First SearchBreadth-First Search |
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