Practice problems across 75+ categories
Practice problems frequently asked at Graph • 169 problems | 3 Easy | 79 Medium | 85 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 136 | Possible Bipartition | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 137 | Process Restricted Friend Requests | Hard | Union FindGraph |
| 138 | Properties Graph | Medium | ArrayHash TableDepth-First Search |
| 139 | Rank Transform of a Matrix | Hard | ArrayUnion FindGraph |
| 140 | Reachable Nodes In Subdivided Graph | Hard | GraphHeap (Priority Queue)Shortest Path |
| 141 | Reachable Nodes With Restrictions | Medium | ArrayHash TableTree |
| 142 | Reconstruct Itinerary | Hard | Depth-First SearchGraphEulerian Circuit |
| 143 | Redundant Connection | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 144 | Redundant Connection II | Hard | Depth-First SearchBreadth-First SearchUnion Find |
| 145 | Remove Max Number of Edges to Keep Graph Fully Traversable | Hard | Union FindGraph |
| 146 | Remove Methods From Project | Medium | Depth-First SearchBreadth-First SearchGraph |
| 147 | Reorder Routes to Make All Paths Lead to the City Zero | Medium | Depth-First SearchBreadth-First SearchGraph |
| 148 | Satisfiability of Equality Equations | Medium | ArrayStringUnion Find |
| 149 | Second Minimum Time to Reach Destination | Hard | Breadth-First SearchGraphShortest Path |
| 150 | Sequence Reconstruction | Medium | ArrayGraphTopological Sort |
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