Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 301 | Tweet Counts Per Frequency | Medium | Hash TableStringBinary Search |
| 302 | Two Best Non-Overlapping Events | Medium | ArrayBinary SearchDynamic Programming |
| 303 | Two Sum BSTs | Medium | Two PointersBinary SearchStack |
| 304 | Two Sum II - Input Array Is Sorted | Medium | ArrayTwo PointersBinary Search |
| 305 | Two Sum Less Than K | Easy | ArrayTwo PointersBinary Search |
| 306 | Ugly Number III | Medium | MathBinary SearchCombinatorics |
| 307 | Valid Perfect Square | Easy | MathBinary Search |
| 308 | Valid Triangle Number | Medium | ArrayTwo PointersBinary Search |
| 309 | Ways to Split Array Into Three Subarrays | Medium | ArrayTwo PointersBinary Search |
| 310 | Weighted Activity Selection | Hard | Advanced DPDPSorting |
| 311 | Zero Array Transformation II | Medium | ArrayBinary SearchPrefix Sum |
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