TikTok
317 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Remove Duplicate Letters | Medium | 58.4% | TopicsStringStackGreedyMonotonic Stack |
| Insert Delete GetRandom O(1) | Medium | 58.4% | TopicsArrayHash TableMathDesignRandomized |
| Add Strings | Easy | 58.4% | TopicsMathStringSimulation |
| 706. Design HashMap | Easy | 58.4% | TopicsArrayHash TableLinked ListDesignHash Function |
| 212. Word Search II | Hard | 58.4% | TopicsArrayStringBacktrackingTrieMatrix |
| 11. Container With Most Water | Medium | 55.8% | TopicsArrayTwo PointersGreedy |
| 124. Binary Tree Maximum Path Sum | Hard | 55.8% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 139. Word Break | Medium | 55.8% | TopicsArrayHash TableStringDynamic ProgrammingTrieMemoizationBrute-Force Search |
| Rotate Array | Medium | 55.8% | TopicsArrayMathTwo Pointers |
| 297. Serialize and Deserialize Binary Tree | Hard | 55.8% | TopicsStringTreeDepth-First SearchBreadth-First SearchDesignBinary Tree |
| 2402. Meeting Rooms III | Hard | 55.8% | TopicsArrayHash TableSortingHeap (Priority Queue)Simulation |
| 2414. Length of the Longest Alphabetical Continuous Substring | Medium | 55.8% | TopicsString |
| 2456. Most Popular Video Creator | Medium | 55.8% | TopicsArrayHash TableStringSortingHeap (Priority Queue) |
| 2523. Closest Prime Numbers in Range | Medium | 55.8% | TopicsMathNumber TheoryPrimality TestSieve TheoryPrime Number Sieve |
| 2640. Find the Score of All Prefixes of an Array | Medium | 55.8% | TopicsArrayPrefix Sum |
| 695. Max Area of Island | Medium | 55.8% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 2799. Count Complete Subarrays in an Array | Medium | 55.8% | TopicsArrayHash TableSliding Window |
| 815. Bus Routes | Hard | 55.8% | TopicsArrayHash TableBreadth-First Search |
| 886. Possible Bipartition | Medium | 55.8% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
| 3086. Minimum Moves to Pick K Ones | Hard | 55.8% | TopicsArrayGreedySliding WindowPrefix Sum |
| 1293. Shortest Path in a Grid with Obstacles Elimination | Hard | 55.8% | TopicsArrayBreadth-First SearchMatrix |
| 1860. Incremental Memory Leak | Medium | 55.8% | TopicsMathSimulation |
| 934. Shortest Bridge | Medium | 55.8% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 211. Design Add and Search Words Data Structure | Medium | 55.8% | TopicsStringDepth-First SearchDesignTrie |
| 10. Regular Expression Matching | Hard | 52.9% | TopicsStringDynamic ProgrammingRecursion |
