Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 121 | Longest Square Streak in an Array | Medium | ArrayHash TableBinary Search |
| 122 | Longest Subsequence With Limited Sum | Easy | ArrayBinary SearchGreedy |
| 123 | Longest Uploaded Prefix | Medium | Hash TableBinary SearchUnion Find |
| 124 | Magnetic Force Between Two Balls | Medium | ArrayBinary SearchSorting |
| 125 | Make Array Empty | Hard | ArrayBinary SearchGreedy |
| 126 | Make Array Strictly Increasing | Hard | ArrayBinary SearchDynamic Programming |
| 127 | Max Consecutive Ones III | Medium | ArrayBinary SearchSliding Window |
| 128 | Max Sum of Rectangle No Larger Than K | Hard | ArrayBinary SearchMatrix |
| 129 | Maximize Active Section with Trade II | Hard | ArrayStringBinary Search |
| 130 | Maximize Score of Numbers in Ranges | Medium | ArrayBinary SearchGreedy |
| 131 | Maximize Spanning Tree Stability with Upgrades | Hard | Binary SearchGreedyUnion Find |
| 132 | Maximize the Confusion of an Exam | Medium | StringBinary SearchSliding Window |
| 133 | Maximize the Distance Between Points on a Square | Hard | ArrayBinary SearchGreedy |
| 134 | Maximize the Minimum Game Score | Hard | ArrayBinary SearchGreedy |
| 135 | Maximize the Minimum Powered City | Hard | ArrayBinary SearchGreedy |
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