Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 76 | Find the Kth Smallest Sum of a Matrix With Sorted Rows | Hard | ArrayBinary SearchHeap (Priority Queue) |
| 77 | Find the Longest Equal Subarray | Medium | ArrayHash TableBinary Search |
| 78 | Find the Longest Valid Obstacle Course at Each Position | Hard | ArrayBinary SearchBinary Indexed Tree |
| 79 | Find the Maximum Number of Marked Indices | Medium | ArrayTwo PointersBinary Search |
| 80 | Find the Median of the Uniqueness Array | Hard | ArrayHash TableBinary Search |
| 81 | Find the Number of Subarrays Where Boundary Elements Are Maximum | Hard | ArrayBinary SearchStack |
| 82 | Find the Safest Path in a Grid | Medium | ArrayBinary SearchBreadth-First Search |
| 83 | Find the Smallest Divisor Given a Threshold | Medium | ArrayBinary Search |
| 84 | Find the Student that Will Replace the Chalk | Medium | ArrayBinary SearchSimulation |
| 85 | Find Two Non-overlapping Sub-arrays Each With Target Sum | Medium | ArrayHash TableBinary Search |
| 86 | Find Weighted Median Node in Tree | Hard | ArrayBinary SearchDynamic Programming |
| 87 | First Bad Version | Easy | Binary SearchInteractive |
| 88 | Fixed Point | Easy | ArrayBinary Search |
| 89 | Frequency of the Most Frequent Element | Medium | ArrayBinary SearchGreedy |
| 90 | Friends Of Appropriate Ages | Medium | ArrayTwo PointersBinary Search |
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