Practice problems across 75+ categories
Practice problems frequently asked at Binary Search • 309 problems | 31 Easy | 162 Medium | 115 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 46 | Fair Candy Swap | Easy | ArrayHash TableBinary Search |
| 47 | Find a Peak Element II | Medium | ArrayBinary SearchMatrix |
| 48 | Find a Value of a Mysterious Function Closest to Target | Hard | ArrayBinary SearchBit Manipulation |
| 49 | Find Beautiful Indices in the Given Array I | Medium | Two PointersStringBinary Search |
| 50 | Find Beautiful Indices in the Given Array II | Hard | Two PointersStringBinary Search |
| 51 | Find Building Where Alice and Bob Can Meet | Hard | ArrayBinary SearchStack |
| 52 | Find First and Last Position of Element in Sorted Array | Medium | ArrayBinary Search |
| 53 | Find in Mountain Array | Hard | ArrayBinary SearchInteractive |
| 54 | Find K Closest Elements | Medium | ArrayTwo PointersBinary Search |
| 55 | Find K-th Smallest Pair Distance | Hard | ArrayTwo PointersBinary Search |
| 56 | Find Latest Group of Size M | Medium | ArrayHash TableBinary Search |
| 57 | Find Longest Self-Contained Substring | Hard | Hash TableStringBinary Search |
| 58 | Find Longest Special Substring That Occurs Thrice I | Medium | Hash TableStringBinary Search |
| 59 | Find Longest Special Substring That Occurs Thrice II | Medium | Hash TableStringBinary Search |
| 60 | Find Maximum Non-decreasing Array Length | Hard | ArrayBinary SearchDynamic Programming |
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