Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | 132 Pattern | Medium | ArrayBinary SearchStack |
| 2 | 3Sum Smaller | Medium | ArrayTwo PointersBinary Search |
| 3 | Adjacent Increasing Subarrays Detection II | Medium | ArrayBinary Search |
| 4 | Apply Operations to Maximize Frequency Score | Hard | ArrayBinary SearchSliding Window |
| 5 | Arranging Coins | Easy | MathBinary Search |
| 6 | Avoid Flood in The City | Medium | ArrayHash TableBinary Search |
| 7 | Binary Search | Easy | ArrayBinary Search |
| 8 | Binary Searchable Numbers in an Unsorted Array | Medium | ArrayBinary Search |
| 9 | Block Placement Queries | Hard | ArrayBinary SearchBinary Indexed Tree |
| 10 | Booking Concert Tickets in Groups | Hard | Binary SearchDesignBinary Indexed Tree |
| 11 | Building Boxes | Hard | MathBinary SearchGreedy |
| 12 | Capacity To Ship Packages Within D Days | Medium | ArrayBinary Search |
| 13 | Check If a Number Is Majority Element in a Sorted Array | Easy | ArrayBinary Search |
| 14 | Check If N and Its Double Exist | Easy | ArrayHash TableTwo Pointers |
| 15 | Closest Binary Search Tree Value | Easy | Binary SearchTreeDepth-First Search |
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