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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3960. Frequency Balance Subarray | Medium | 5% | TopicsArrayHash TableCounting |
| 1020. Number of Enclaves | Medium | 5% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 3534. Path Existence Queries in a Graph II | Hard | 5% | TopicsArrayTwo PointersBinary SearchDynamic ProgrammingGreedyBit ManipulationGraph TheorySorting |
| 2037. Minimum Number of Moves to Seat Everyone | Easy | 5% | TopicsArrayGreedySortingCounting Sort |
| 2685. Count the Number of Complete Components | Medium | 5% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 2454. Next Greater Element IV | Hard | 5% | TopicsArrayBinary SearchStackSortingHeap (Priority Queue)Monotonic Stack |
| 3754. Concatenate Non-Zero Digits and Multiply by Sum I | Easy | 5% | TopicsMath |
| 3668. Restore Finishing Order | Easy | 5% | TopicsArrayHash Table |
| 1192. Critical Connections in a Network | Hard | 5% | TopicsDepth-First SearchGraph TheoryBiconnected ComponentBridge (Graph) |
| 3940. Limit Occurrences in Sorted Array | Easy | 5% | TopicsArrayTwo Pointers |
| 2064. Minimized Maximum of Products Distributed to Any Store | Medium | 5% | TopicsArrayBinary SearchGreedy |
| 2653. Sliding Subarray Beauty | Medium | 5% | TopicsArrayHash TableSliding Window |
| 1819. Number of Different Subsequences GCDs | Hard | 5% | TopicsArrayMathCountingNumber TheoryEuclidean AlgorithmGreatest Common Divisor |
| 2595. Number of Even and Odd Bits | Easy | 5% | TopicsBit Manipulation |
| 1186. Maximum Subarray Sum with One Deletion | Medium | 5% | TopicsArrayDynamic Programming |
| 3536. Maximum Product of Two Digits | Easy | 5% | TopicsMathSorting |
| Integer Replacement | Medium | 5% | TopicsDynamic ProgrammingGreedyBit ManipulationMemoization |
| 3518. Smallest Palindromic Rearrangement II | Hard | 5% | TopicsHash TableMathStringCombinatoricsCounting |
| 995. Minimum Number of K Consecutive Bit Flips | Hard | 5% | TopicsArrayBit ManipulationQueueSliding WindowPrefix SumBrute-Force Search |
| 1816. Truncate Sentence | Easy | 5% | TopicsArrayString |
| 3019. Number of Changing Keys | Easy | 5% | TopicsString |
| 1823. Find the Winner of the Circular Game | Medium | 5% | TopicsArrayMathRecursionQueueSimulation |
| 1985. Find the Kth Largest Integer in the Array | Medium | 5% | TopicsArrayStringDivide and ConquerSortingHeap (Priority Queue)Quickselect |
| 4003. Minimum Cost Path with Alternating Directions III | Hard | 5% | TopicsArrayGraph TheoryHeap (Priority Queue)MatrixShortest Path |
| 3490. Count Beautiful Numbers | Hard | 5% | TopicsDynamic Programming |
