Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1651 | Semi-Ordered Permutation | Easy | ArraySimulation |
| 1652 | Sender With Largest Word Count | Medium | ArrayHash TableString |
| 1653 | Sentence Screen Fitting | Medium | ArrayStringDynamic Programming |
| 1654 | Sentence Similarity | Easy | ArrayHash TableString |
| 1655 | Sentence Similarity II | Medium | ArrayHash TableString |
| 1656 | Sentence Similarity III | Medium | ArrayTwo PointersString |
| 1657 | Separate Squares I | Medium | ArrayBinary Search |
| 1658 | Separate Squares II | Hard | ArrayBinary SearchSegment Tree |
| 1659 | Separate the Digits in an Array | Easy | ArraySimulation |
| 1660 | Sequence Reconstruction | Medium | ArrayGraphTopological Sort |
| 1661 | Sequential Grid Path Cover | Medium | ArrayRecursionMatrix |
| 1662 | Set Intersection Size At Least Two | Hard | ArrayGreedySorting |
| 1663 | Set Matrix Zeroes | Medium | ArrayHash TableMatrix |
| 1664 | Set Mismatch | Easy | ArrayHash TableBit Manipulation |
| 1665 | Shift 2D Grid | Easy | ArrayMatrixSimulation |
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