TikTok
317 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 34. Find First and Last Position of Element in Sorted Array | Medium | 52.9% | TopicsArrayBinary Search |
| 143. Reorder List | Medium | 52.9% | TopicsLinked ListTwo PointersStackRecursion |
| 162. Find Peak Element | Medium | 52.9% | TopicsArrayBinary Search |
| 165. Compare Version Numbers | Medium | 52.9% | TopicsTwo PointersString |
| Minimum Size Subarray Sum | Medium | 52.9% | TopicsArrayBinary SearchSliding WindowPrefix Sum |
| Basic Calculator | Hard | 52.9% | TopicsMathStringStackRecursion |
| Lowest Common Ancestor of a Binary Tree | Medium | 52.9% | TopicsTreeDepth-First SearchBinary TreeBinary LiftingLowest Common Ancestor |
| Alien Dictionary | Hard | 52.9% | TopicsArrayStringDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| Evaluate Division | Medium | 52.9% | TopicsArrayStringDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryShortest PathBellman–Ford AlgorithmFloyd–Warshall Algorithm |
| 974. Subarray Sums Divisible by K | Medium | 52.9% | TopicsArrayHash TablePrefix Sum |
| 1802. Maximum Value at a Given Index in a Bounded Array | Medium | 52.9% | TopicsMathBinary SearchGreedy |
| Brightest Position on Street | Medium | 52.9% | TopicsArraySortingPrefix SumOrdered Set |
| 14. Longest Common Prefix | Easy | 49.5% | TopicsArrayStringTrie |
| Longest Valid Parentheses | Hard | 49.5% | TopicsStringDynamic ProgrammingStackBracket Sequences |
| 39. Combination Sum | Medium | 49.5% | TopicsArrayBacktracking |
| 46. Permutations | Medium | 49.5% | TopicsArrayBacktracking |
| 53. Maximum Subarray | Medium | 49.5% | TopicsArrayDivide and ConquerDynamic Programming |
| 55. Jump Game | Medium | 49.5% | TopicsArrayDynamic ProgrammingGreedy |
| 72. Edit Distance | Medium | 49.5% | TopicsStringDynamic Programming |
| 78. Subsets | Medium | 49.5% | TopicsArrayBacktrackingBit Manipulation |
| 93. Restore IP Addresses | Medium | 49.5% | TopicsStringBacktracking |
| Sliding Window Maximum | Hard | 49.5% | TopicsArrayQueueSliding WindowHeap (Priority Queue)Monotonic QueueRange Minimum/Maximum Query |
| 329. Longest Increasing Path in a Matrix | Hard | 49.5% | TopicsArrayDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryTopological SortMemoizationMatrixDirected Acyclic Graph |
| 416. Partition Equal Subset Sum | Medium | 49.5% | TopicsArrayDynamic ProgrammingKnapsack Problem0-1 Knapsack |
| 417. Pacific Atlantic Water Flow | Medium | 49.5% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
