Practice problems across 75+ categories
Practice problems frequently asked at Sliding Window • 154 problems | 18 Easy | 92 Medium | 43 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 121 | Minimum Positive Sum Subarray | Unknown | ArraySliding WindowPrefix Sum |
| 122 | Minimum Recolors to Get K Consecutive Black Blocks | Easy | StringSliding Window |
| 123 | Minimum Size Subarray in Infinite Array | Medium | ArrayHash TableSliding Window |
| 124 | Minimum Size Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 125 | Minimum Swaps to Group All 1's Together | Medium | ArraySliding Window |
| 126 | Minimum Swaps to Group All 1's Together II | Medium | ArraySliding Window |
| 127 | Minimum Window Subsequence | Hard | StringDynamic ProgrammingSliding Window |
| 128 | Minimum Window Substring | Hard | Hash TableStringSliding Window |
| 129 | Moving Stones Until Consecutive II | Medium | ArrayMathSliding Window |
| 130 | New 21 Game | Medium | MathDynamic ProgrammingSliding Window |
| 131 | Number of Equal Count Substrings | Medium | Hash TableStringSliding Window |
| 132 | Number of Smooth Descent Periods of a Stock | Medium | ArrayMathTwo Pointers |
| 133 | Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | Medium | ArraySliding Window |
| 134 | Number of Substrings Containing All Three Characters | Medium | Hash TableStringSliding Window |
| 135 | Number of Unique Flavors After Sharing K Candies | Medium | ArrayHash TableSliding Window |
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