Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1741 | Sorted GCD Pair Queries | Hard | ArrayHash TableMath |
| 1742 | Sorting Three Groups | Medium | ArrayBinary SearchDynamic Programming |
| 1743 | Sparse Matrix Multiplication | Medium | ArrayHash TableMatrix |
| 1744 | Special Array I | Easy | Array |
| 1745 | Special Array II | Medium | ArrayBinary SearchPrefix Sum |
| 1746 | Special Array With X Elements Greater Than or Equal X | Easy | ArrayBinary SearchSorting |
| 1747 | Special Permutations | Medium | ArrayDynamic ProgrammingBit Manipulation |
| 1748 | Special Positions in a Binary Matrix | Easy | ArrayMatrix |
| 1749 | Spiral Matrix | Medium | ArrayMatrixSimulation |
| 1750 | Spiral Matrix II | Medium | ArrayMatrixSimulation |
| 1751 | Spiral Matrix III | Medium | ArrayMatrixSimulation |
| 1752 | Spiral Matrix IV | Medium | ArrayLinked ListMatrix |
| 1753 | Split Array into Consecutive Subsequences | Medium | ArrayHash TableGreedy |
| 1754 | Split Array Into Maximum Number of Subarrays | Medium | ArrayGreedyBit Manipulation |
| 1755 | Split Array Largest Sum | Hard | ArrayBinary SearchDynamic Programming |
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