Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 106 | Kth Missing Positive Number | Easy | ArrayBinary Search |
| 107 | Kth Smallest Amount With Single Denomination Combination | Hard | ArrayMathBinary Search |
| 108 | Kth Smallest Element in a Sorted Matrix | Medium | ArrayBinary SearchSorting |
| 109 | Kth Smallest Number in Multiplication Table | Hard | MathBinary Search |
| 110 | Kth Smallest Product of Two Sorted Arrays | Hard | ArrayBinary Search |
| 111 | Kth Smallest Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 112 | Last Day Where You Can Still Cross | Hard | ArrayBinary SearchDepth-First Search |
| 113 | Leftmost Column with at Least a One | Medium | ArrayBinary SearchMatrix |
| 114 | Length of the Longest Increasing Path | Hard | ArrayBinary SearchSorting |
| 115 | Longest Arithmetic Subsequence | Medium | ArrayHash TableBinary Search |
| 116 | Longest Common Subpath | Hard | ArrayBinary SearchRolling Hash |
| 117 | Longest Duplicate Substring | Hard | StringBinary SearchSliding Window |
| 118 | Longest Increasing Subsequence | Medium | ArrayBinary SearchDynamic Programming |
| 119 | Longest Repeating Substring | Medium | StringBinary SearchDynamic Programming |
| 120 | Longest Square Streak in an Array | Medium | ArrayHash TableBinary Search |
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