Snap
83 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 143. Reorder List | Medium | 54.8% | TopicsLinked ListTwo PointersStackRecursion |
| 17. Letter Combinations of a Phone Number | Medium | 54.8% | TopicsHash TableStringBacktracking |
| 212. Word Search II | Hard | 54.8% | TopicsArrayStringBacktrackingTrieMatrix |
| LFU Cache | Hard | 54.8% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 780. Reaching Points | Hard | 54.8% | TopicsMathEuclidean AlgorithmGreatest Common Divisor |
| 752. Open the Lock | Medium | 54.8% | TopicsArrayHash TableStringBreadth-First SearchBidirectional Search |
| 1074. Number of Submatrices That Sum to Target | Hard | 54.8% | TopicsArrayHash TableMatrixPrefix Sum |
| Split Array Largest Sum | Hard | 54.8% | TopicsArrayBinary SearchDynamic ProgrammingGreedyPrefix Sum |
| 124. Binary Tree Maximum Path Sum | Hard | 44.8% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 1293. Shortest Path in a Grid with Obstacles Elimination | Hard | 44.8% | TopicsArrayBreadth-First SearchMatrix |
| 787. Cheapest Flights Within K Stops | Medium | 44.8% | TopicsDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)Shortest Path |
| 49. Group Anagrams | Medium | 44.8% | TopicsArrayHash TableStringSorting |
| 939. Minimum Area Rectangle | Medium | 44.8% | TopicsArrayHash TableMathGeometrySorting |
| The Maze | Medium | 44.8% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 238. Product of Array Except Self | Medium | 44.8% | TopicsArrayPrefix Sum |
| 33. Search in Rotated Sorted Array | Medium | 44.8% | TopicsArrayBinary Search |
| 3014. Minimum Number of Pushes to Type Word I | Easy | 44.8% | TopicsMathStringGreedy |
| 67. Add Binary | Easy | 44.8% | TopicsMathStringBit ManipulationSimulation |
| 1639. Number of Ways to Form a Target String Given a Dictionary | Hard | 44.8% | TopicsArrayStringDynamic Programming |
| 211. Design Add and Search Words Data Structure | Medium | 44.8% | TopicsStringDepth-First SearchDesignTrie |
| 3. Longest Substring Without Repeating Characters | Medium | 44.8% | TopicsHash TableStringSliding Window |
| 393. UTF-8 Validation | Medium | 44.8% | TopicsArrayBit Manipulation |
| 875. Koko Eating Bananas | Medium | 44.8% | TopicsArrayBinary Search |
| Sliding Window Median | Hard | 44.8% | TopicsArrayHash TableSliding WindowHeap (Priority Queue)Treap |
| 886. Possible Bipartition | Medium | 44.8% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
