TikTok
317 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2502. Design Memory Allocator | Medium | 45.5% | TopicsArrayHash TableDesignSimulation |
| 581. Shortest Unsorted Continuous Subarray | Medium | 45.5% | TopicsArrayTwo PointersStackGreedySortingMonotonic Stack |
| 3071. Minimum Operations to Write the Letter Y on a Grid | Medium | 45.5% | TopicsArrayHash TableMatrixCounting |
| 1462. Course Schedule IV | Medium | 45.5% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort |
| 845. Longest Mountain in Array | Medium | 45.5% | TopicsArrayTwo PointersDynamic ProgrammingEnumeration |
| All O`one Data Structure | Hard | 45.5% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 24. Swap Nodes in Pairs | Medium | 40.7% | TopicsLinked ListRecursion |
| Minimum Path Sum | Medium | 40.7% | TopicsArrayDynamic ProgrammingMatrix |
| Reverse Words in a String | Medium | 40.7% | TopicsTwo PointersString |
| Find Minimum in Rotated Sorted Array | Medium | 40.7% | TopicsArrayBinary Search |
| Longest Substring with At Most Two Distinct Characters | Medium | 40.7% | TopicsHash TableStringSliding Window |
| 213. House Robber II | Medium | 40.7% | TopicsArrayDynamic Programming |
| Shortest Distance from All Buildings | Hard | 40.7% | TopicsArrayBreadth-First SearchMatrix |
| 402. Remove K Digits | Medium | 40.7% | TopicsStringStackGreedyMonotonic Stack |
| Asteroid Collision | Medium | 40.7% | TopicsArrayStackSimulation |
| 1249. Minimum Remove to Make Valid Parentheses | Medium | 40.7% | TopicsStringStack |
| 1530. Number of Good Leaf Nodes Pairs | Medium | 40.7% | TopicsTreeDepth-First SearchBinary TreeDP on Trees |
| 1584. Min Cost to Connect All Points | Medium | 40.7% | TopicsArrayUnion-FindGraph TheoryMinimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm |
| 1813. Sentence Similarity III | Medium | 40.7% | TopicsArrayTwo PointersString |
| 2673. Make Costs of Paths Equal in a Binary Tree | Medium | 40.7% | TopicsArrayDynamic ProgrammingGreedyTreeBinary Tree |
| 983. Minimum Cost For Tickets | Medium | 40.7% | TopicsArrayDynamic Programming |
| 959. Regions Cut By Slashes | Medium | 40.7% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindMatrixPlanar Graph |
| Robot Room Cleaner | Hard | 40.7% | TopicsBacktrackingInteractive |
| 437. Path Sum III | Medium | 40.7% | TopicsTreeDepth-First SearchBinary Tree |
| 3161. Block Placement Queries | Hard | 40.7% | TopicsArrayBinary SearchBinary Indexed TreeSegment TreeOrdered Set |
