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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3005. Count Elements With Maximum Frequency | Easy | 11.9% | TopicsArrayHash TableCounting |
| 1140. Stone Game II | Medium | 11.9% | TopicsArrayMathDynamic ProgrammingMinimaxPrefix SumGame TheoryZero-Sum Game |
| 1399. Count Largest Group | Easy | 11.9% | TopicsHash TableMathCounting |
| Minimum Time Difference | Medium | 11.9% | TopicsArrayMathStringSorting |
| Fix Names in a Table | Easy | 11.9% | TopicsDatabase |
| 2352. Equal Row and Column Pairs | Medium | 11.9% | TopicsArrayHash TableMatrixSimulation |
| Reshape the Matrix | Easy | 11.9% | TopicsArrayMatrixSimulation |
| 1048. Longest String Chain | Medium | 11.9% | TopicsArrayHash TableTwo PointersStringDynamic ProgrammingSorting |
| 2095. Delete the Middle Node of a Linked List | Medium | 11.9% | TopicsLinked ListTwo Pointers |
| 3097. Shortest Subarray With OR at Least K II | Medium | 11.9% | TopicsArrayBit ManipulationSliding Window |
| Nested List Weight Sum II | Medium | 11.9% | TopicsStackDepth-First SearchBreadth-First Search |
| Design Hit Counter | Medium | 11.9% | TopicsArrayBinary SearchDesignQueueData Stream |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | Hard | 11.9% | TopicsArrayTwo PointersBinary SearchDynamic ProgrammingBit ManipulationMeet in the MiddleSortingOrdered SetBitmask |
| 2427. Number of Common Factors | Easy | 11.9% | TopicsMathEnumerationNumber TheoryEuclidean AlgorithmGreatest Common Divisor |
| 773. Sliding Puzzle | Hard | 11.9% | TopicsArrayDynamic ProgrammingBacktrackingBreadth-First SearchMemoizationMatrixHeuristic SearchBidirectional SearchA* Search |
| Nth Digit | Medium | 11.9% | TopicsMathBinary Search |
| 2337. Move Pieces to Obtain a String | Medium | 11.9% | TopicsTwo PointersString |
| Valid Phone Numbers | Easy | 11.9% | TopicsShell |
| 2981. Find Longest Special Substring That Occurs Thrice I | Medium | 11.9% | TopicsHash TableStringBinary SearchSliding WindowCounting |
| 886. Possible Bipartition | Medium | 11.9% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
| 2008. Maximum Earnings From Taxi | Medium | 11.9% | TopicsArrayHash TableBinary SearchDynamic ProgrammingSorting |
| 2192. All Ancestors of a Node in a Directed Acyclic Graph | Medium | 11.9% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| 853. Car Fleet | Medium | 11.9% | TopicsArrayStackSortingMonotonic Stack |
| Number of Islands II | Hard | 11.9% | TopicsArrayHash TableUnion-Find |
| 1014. Best Sightseeing Pair | Medium | 11.9% | TopicsArrayDynamic Programming |
