Practice problems across 75+ categories
Practice problems frequently asked at Sliding Window • 154 problems | 18 Easy | 92 Medium | 43 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 61 | K Empty Slots | Hard | ArrayBinary Indexed TreeSegment Tree |
| 62 | K Radius Subarray Averages | Medium | ArraySliding Window |
| 63 | Kth Smallest Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 64 | Length of Longest Subarray With at Most K Frequency | Medium | ArrayHash TableSliding Window |
| 65 | Length of the Longest Valid Substring | Hard | ArrayHash TableString |
| 66 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | ArrayQueueSliding Window |
| 67 | Longest Duplicate Substring | Hard | StringBinary SearchSliding Window |
| 68 | Longest Even Odd Subarray With Threshold | Easy | ArraySliding Window |
| 69 | Longest Harmonious Subsequence | Easy | ArrayHash TableSliding Window |
| 70 | Longest Nice Subarray | Medium | ArrayBit ManipulationSliding Window |
| 71 | Longest Nice Substring | Easy | Hash TableStringDivide and Conquer |
| 72 | Longest Repeating Character Replacement | Medium | Hash TableStringSliding Window |
| 73 | Longest Subarray of 1's After Deleting One Element | Medium | ArrayDynamic ProgrammingSliding Window |
| 74 | Longest Substring Of All Vowels in Order | Medium | StringSliding Window |
| 75 | Longest Substring with At Least K Repeating Characters | Medium | Hash TableStringDivide and Conquer |
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