Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 256 | Reach a Number | Medium | MathBinary Search |
| 257 | Reverse Pairs | Hard | ArrayBinary SearchDivide and Conquer |
| 258 | Russian Doll Envelopes | Hard | ArrayBinary SearchDynamic Programming |
| 259 | Search a 2D Matrix | Medium | ArrayBinary SearchMatrix |
| 260 | Search a 2D Matrix II | Medium | ArrayBinary SearchDivide and Conquer |
| 261 | Search in a Sorted Array of Unknown Size | Medium | ArrayBinary SearchInteractive |
| 262 | Search in Rotated Sorted Array | Medium | ArrayBinary Search |
| 263 | Search in Rotated Sorted Array II | Medium | ArrayBinary Search |
| 264 | Search Insert Position | Easy | ArrayBinary Search |
| 265 | Search Suggestions System | Medium | ArrayStringBinary Search |
| 266 | Sell Diminishing-Valued Colored Balls | Medium | ArrayMathBinary Search |
| 267 | Separate Squares I | Medium | ArrayBinary Search |
| 268 | Separate Squares II | Hard | ArrayBinary SearchSegment Tree |
| 269 | Shortest Distance to Target Color | Medium | ArrayBinary SearchDynamic Programming |
| 270 | Shortest Matching Substring | Hard | Two PointersStringBinary Search |
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