TikTok
317 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 829. Consecutive Numbers Sum | Hard | 26.1% | TopicsMathEnumeration |
| Wiggle Sort | Medium | 26.1% | TopicsArrayGreedySorting |
| Implement Queue using Stacks | Easy | 26.1% | TopicsStackDesignQueue |
| 496. Next Greater Element I | Easy | 26.1% | TopicsArrayHash TableStackMonotonic Stack |
| Encode and Decode Strings | Medium | 26.1% | TopicsArrayStringDesign |
| 2672. Number of Adjacent Elements With the Same Color | Medium | 26.1% | TopicsArray |
| 24 Game | Hard | 26.1% | TopicsArrayMathBacktracking |
| 1669. Merge In Between Linked Lists | Medium | 26.1% | TopicsLinked List |
| Count Binary Substrings | Easy | 26.1% | TopicsTwo PointersString |
| Maximum Size Subarray Sum Equals k | Medium | 26.1% | TopicsArrayHash TablePrefix Sum |
| Accounts Merge | Medium | 26.1% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-FindSorting |
| 759. Employee Free Time | Hard | 26.1% | TopicsArraySweep LineSortingHeap (Priority Queue) |
| 1827. Minimum Operations to Make the Array Increasing | Easy | 26.1% | TopicsArrayGreedy |
| 1041. Robot Bounded In Circle | Medium | 26.1% | TopicsMathStringSimulation |
| 438. Find All Anagrams in a String | Medium | 26.1% | TopicsHash TableStringSliding Window |
| Word Pattern II | Medium | 26.1% | TopicsHash TableStringBacktracking |
| 2817. Minimum Absolute Difference Between Elements With Constraint | Medium | 26.1% | TopicsArrayBinary SearchOrdered Set |
| Department Top Three Salaries | Hard | 26.1% | TopicsDatabase |
| Construct Binary Tree from Inorder and Postorder Traversal | Medium | 26.1% | TopicsArrayHash TableDivide and ConquerTreeBinary Tree |
| Implement Rand10() Using Rand7() | Medium | 26.1% | TopicsMathRejection SamplingRandomizedProbability and Statistics |
| Lowest Common Ancestor of a Binary Tree IV | Medium | 26.1% | TopicsHash TableTreeDepth-First SearchBinary TreeBinary LiftingLowest Common Ancestor |
| 130. Surrounded Regions | Medium | 26.1% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| Next Greater Element II | Medium | 26.1% | TopicsArrayStackMonotonic Stack |
| Unit Conversion II | Medium | 26.1% | TopicsArrayMathDepth-First SearchBreadth-First SearchGraph Theory |
| 1353. Maximum Number of Events That Can Be Attended | Medium | 26.1% | TopicsArrayGreedySortingHeap (Priority Queue) |
