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30 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Evaluate Division | Medium | 60.6% | TopicsArrayStringDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryShortest PathBellman–Ford AlgorithmFloyd–Warshall Algorithm |
| Flatten Nested List Iterator | Medium | 60.6% | TopicsStackTreeDepth-First SearchDesignQueueIterator |
| 162. Find Peak Element | Medium | 60.6% | TopicsArrayBinary Search |
| 79. Word Search | Medium | 60.6% | TopicsArrayStringBacktrackingDepth-First SearchMatrix |
| Meeting Rooms II | Medium | 60.6% | TopicsArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum |