Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1636 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | ArrayQueueSliding Window |
| 1637 | Longest Cycle in a Graph | Hard | Depth-First SearchBreadth-First SearchGraph |
| 1638 | Longest Duplicate Substring | Hard | StringBinary SearchSliding Window |
| 1639 | Longest Even Odd Subarray With Threshold | Easy | ArraySliding Window |
| 1640 | Longest Happy Prefix | Hard | StringRolling HashString Matching |
| 1641 | Longest Happy String | Medium | StringGreedyHeap (Priority Queue) |
| 1642 | Longest Harmonious Subsequence | Easy | ArrayHash TableSliding Window |
| 1643 | Longest Ideal Subsequence | Medium | Hash TableStringDynamic Programming |
| 1644 | Longest Increasing Path in a Matrix | Hard | ArrayDynamic ProgrammingDepth-First Search |
| 1645 | Longest Increasing Subsequence | Medium | ArrayBinary SearchDynamic Programming |
| 1646 | Longest Increasing Subsequence II | Hard | ArrayDivide and ConquerDynamic Programming |
| 1647 | Longest Line of Consecutive One in Matrix | Medium | ArrayDynamic ProgrammingMatrix |
| 1648 | Longest Mountain in Array | Medium | ArrayTwo PointersDynamic Programming |
| 1649 | Longest Nice Subarray | Medium | ArrayBit ManipulationSliding Window |
| 1650 | Longest Nice Substring | Easy | Hash TableStringDivide and Conquer |
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