Practice problems across 75+ categories
Practice problems frequently asked at Graph • 169 problems | 3 Easy | 79 Medium | 85 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 91 | Minimum Cost to Buy Apples | Medium | ArrayGraphHeap (Priority Queue) |
| 92 | Minimum Cost to Convert String I | Medium | ArrayStringGraph |
| 93 | Minimum Cost to Convert String II | Hard | ArrayStringDynamic Programming |
| 94 | Minimum Cost to Make at Least One Valid Path in a Grid | Hard | ArrayBreadth-First SearchGraph |
| 95 | Minimum Cost to Reach City With Discounts | Medium | GraphHeap (Priority Queue)Shortest Path |
| 96 | Minimum Cost to Reach Destination in Time | Hard | ArrayDynamic ProgrammingGraph |
| 97 | Minimum Cost Walk in Weighted Graph | Hard | ArrayBit ManipulationUnion Find |
| 98 | Minimum Degree of a Connected Trio in a Graph | Hard | GraphEnumeration |
| 99 | Minimum Edge Reversals So Every Node Is Reachable | Hard | Dynamic ProgrammingDepth-First SearchBreadth-First Search |
| 100 | Minimum Edge Weight Equilibrium Queries in a Tree | Hard | ArrayTreeGraph |
| 101 | Minimum Fuel Cost to Report to the Capital | Medium | TreeDepth-First SearchBreadth-First Search |
| 102 | Minimum Height Trees | Medium | Depth-First SearchBreadth-First SearchGraph |
| 103 | Minimum Number of Vertices to Reach All Nodes | Medium | Graph |
| 104 | Minimum Obstacle Removal to Reach Corner | Hard | ArrayBreadth-First SearchGraph |
| 105 | Minimum Operations to Remove Adjacent Ones in Matrix | Hard | ArrayGraphMatrix |
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