Practice problems across 75+ categories
Practice problems frequently asked at Tree • 252 problems | 41 Easy | 150 Medium | 60 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 166 | Maximum Subtree of the Same Color | Medium | ArrayDynamic ProgrammingTree |
| 167 | Maximum Sum BST in Binary Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 168 | Maximum Width of Binary Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 169 | Maximum XOR of Two Non-Overlapping Subtrees | Hard | TreeDepth-First SearchGraph |
| 170 | Merge BSTs to Create Single BST | Hard | Hash TableBinary SearchTree |
| 171 | Merge Two Binary Trees | Easy | TreeDepth-First SearchBreadth-First Search |
| 172 | Minimize the Total Price of the Trips | Hard | ArrayDynamic ProgrammingTree |
| 173 | Minimum Absolute Difference in BST | Easy | TreeDepth-First SearchBreadth-First Search |
| 174 | Minimum Depth of Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 175 | Minimum Distance Between BST Nodes | Easy | TreeDepth-First SearchBreadth-First Search |
| 176 | Minimum Edge Weight Equilibrium Queries in a Tree | Hard | ArrayTreeGraph |
| 177 | Minimum Flips in Binary Tree to Get Result | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 178 | Minimum Fuel Cost to Report to the Capital | Medium | TreeDepth-First SearchBreadth-First Search |
| 179 | Minimum Increments to Equalize Leaf Paths | Medium | ArrayDynamic ProgrammingTree |
| 180 | Minimum Number of Operations to Sort a Binary Tree by Level | Medium | TreeBreadth-First SearchBinary Tree |
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