Practice problems across 75+ categories
Practice problems frequently asked at Tree • 252 problems | 41 Easy | 150 Medium | 60 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 241 | Subtree Inversion Sum | Hard | ArrayDynamic ProgrammingTree |
| 242 | Subtree of Another Tree | Easy | TreeDepth-First SearchString Matching |
| 243 | Subtree Removal Game with Fibonacci Tree | Hard | MathDynamic ProgrammingTree |
| 244 | Sum of Distances in Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 245 | Sum of Left Leaves | Easy | TreeDepth-First SearchBreadth-First Search |
| 246 | Sum of Nodes with Even-Valued Grandparent | Medium | TreeDepth-First SearchBreadth-First Search |
| 247 | Sum of Root To Leaf Binary Numbers | Easy | TreeDepth-First SearchBinary Tree |
| 248 | Sum Root to Leaf Numbers | Medium | TreeDepth-First SearchBinary Tree |
| 249 | Symmetric Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 250 | Throne Inheritance | Medium | Hash TableTreeDepth-First Search |
| 251 | Time Needed to Inform All Employees | Medium | TreeDepth-First SearchBreadth-First Search |
| 252 | Time Taken to Mark All Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 253 | Tree Diameter | Medium | TreeDepth-First SearchBreadth-First Search |
| 254 | Tree of Coprimes | Hard | ArrayMathTree |
| 255 | Trim a Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
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