Practice problems across 75+ categories
Practice problems frequently asked at Graph • 169 problems | 3 Easy | 79 Medium | 85 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 151 | Shortest Cycle in a Graph | Hard | Breadth-First SearchGraph |
| 152 | Shortest Distance After Road Addition Queries I | Medium | ArrayBreadth-First SearchGraph |
| 153 | Shortest Distance After Road Addition Queries II | Hard | ArrayGreedyGraph |
| 154 | Shortest Path Visiting All Nodes | Hard | Dynamic ProgrammingBit ManipulationBreadth-First Search |
| 155 | Shortest Path with Alternating Colors | Medium | Breadth-First SearchGraph |
| 156 | Sort Items by Groups Respecting Dependencies | Hard | Depth-First SearchBreadth-First SearchGraph |
| 157 | Strange Printer II | Hard | ArrayGraphTopological Sort |
| 158 | String Transforms Into Another String | Hard | Hash TableStringGraph |
| 159 | Sum of Distances in Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 160 | The Maze II | Medium | ArrayDepth-First SearchBreadth-First Search |
| 161 | The Maze III | Hard | ArrayStringDepth-First Search |
| 162 | The Most Similar Path in a Graph | Hard | Dynamic ProgrammingGraph |
| 163 | The Time When the Network Becomes Idle | Medium | ArrayBreadth-First SearchGraph |
| 164 | Time Taken to Mark All Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 165 | Tree Diameter | Medium | TreeDepth-First SearchBreadth-First Search |
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