Practice problems across 75+ categories
Practice problems frequently asked at Graph • 169 problems | 3 Easy | 79 Medium | 85 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 106 | Minimum Height Trees | Medium | Depth-First SearchBreadth-First SearchGraph |
| 107 | Minimum Number of Vertices to Reach All Nodes | Medium | Graph |
| 108 | Minimum Obstacle Removal to Reach Corner | Hard | ArrayBreadth-First SearchGraph |
| 109 | Minimum Operations to Remove Adjacent Ones in Matrix | Hard | ArrayGraphMatrix |
| 110 | Minimum Path Cost in a Hidden Grid | Medium | ArrayDepth-First SearchBreadth-First Search |
| 111 | Minimum Runes to Add to Cast Spell | Hard | ArrayDepth-First SearchBreadth-First Search |
| 112 | Minimum Score of a Path Between Two Cities | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 113 | Minimum Time to Break Locks II | Hard | ArrayDepth-First SearchGraph |
| 114 | Minimum Time to Transport All Individuals | Hard | ArrayDynamic ProgrammingBit Manipulation |
| 115 | Minimum Time to Visit a Cell In a Grid | Hard | ArrayBreadth-First SearchGraph |
| 116 | Minimum Time to Visit Disappearing Nodes | Medium | ArrayGraphHeap (Priority Queue) |
| 117 | Minimum Weighted Subgraph With the Required Paths | Hard | GraphShortest Path |
| 118 | Modify Graph Edge Weights | Hard | GraphHeap (Priority Queue)Shortest Path |
| 119 | Most Profitable Path in a Tree | Medium | ArrayTreeDepth-First Search |
| 120 | Most Stones Removed with Same Row or Column | Medium | Hash TableDepth-First SearchUnion Find |
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