TikTok
317 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1352. Product of the Last K Numbers | Medium | 34.5% | TopicsArrayMathDesignData StreamPrefix Sum |
| 904. Fruit Into Baskets | Medium | 34.5% | TopicsArrayHash TableSliding Window |
| 48. Rotate Image | Medium | 34.5% | TopicsArrayMathMatrix |
| Serialize and Deserialize N-ary Tree | Hard | 34.5% | TopicsStringTreeDepth-First SearchBreadth-First Search |
| 1043. Partition Array for Maximum Sum | Medium | 34.5% | TopicsArrayDynamic Programming |
| 1834. Single-Threaded CPU | Medium | 34.5% | TopicsArraySortingHeap (Priority Queue) |
| 4. Median of Two Sorted Arrays | Hard | 26.1% | TopicsArrayBinary SearchDivide and Conquer |
| 12. Integer to Roman | Medium | 26.1% | TopicsHash TableMathString |
| 57. Insert Interval | Medium | 26.1% | TopicsArray |
| 62. Unique Paths | Medium | 26.1% | TopicsMathDynamic ProgrammingCombinatorics |
| Remove Duplicates from Sorted Array II | Medium | 26.1% | TopicsArrayTwo Pointers |
| Reverse Linked List II | Medium | 26.1% | TopicsLinked List |
| Unique Binary Search Trees | Medium | 26.1% | TopicsMathDynamic ProgrammingTreeBinary Search TreeBinary Tree |
| 113. Path Sum II | Medium | 26.1% | TopicsBacktrackingTreeDepth-First SearchBinary Tree |
| 2050. Parallel Courses III | Hard | 26.1% | TopicsArrayDynamic ProgrammingGraph TheoryTopological SortDirected Acyclic Graph |
| 148. Sort List | Medium | 26.1% | TopicsLinked ListTwo PointersDivide and ConquerSortingMerge Sort |
| 152. Maximum Product Subarray | Medium | 26.1% | TopicsArrayDynamic Programming |
| Intersection of Two Linked Lists | Easy | 26.1% | TopicsHash TableLinked ListTwo Pointers |
| 202. Happy Number | Easy | 26.1% | TopicsHash TableMathTwo PointersFloyd's Cycle Finding Algorithm |
| Implement Trie (Prefix Tree) | Medium | 26.1% | TopicsHash TableStringDesignTrie |
| Search a 2D Matrix II | Medium | 26.1% | TopicsArrayBinary SearchDivide and ConquerMatrix |
| 283. Move Zeroes | Easy | 26.1% | TopicsArrayTwo Pointers |
| 286. Walls and Gates | Medium | 26.1% | TopicsArrayBreadth-First SearchMatrix |
| Design Tic-Tac-Toe | Medium | 26.1% | TopicsArrayHash TableDesignMatrixSimulation |
| Kth Smallest Element in a Sorted Matrix | Medium | 26.1% | TopicsArrayBinary SearchSortingHeap (Priority Queue)Matrix |
