Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1546 | Product of Array Except Self | Medium | ArrayPrefix Sum |
| 1547 | Product of the Last K Numbers | Medium | ArrayMathDesign |
| 1548 | Product of Two Run-Length Encoded Arrays | Medium | ArrayTwo Pointers |
| 1549 | Profitable Schemes | Hard | ArrayDynamic Programming |
| 1550 | Projection Area of 3D Shapes | Easy | ArrayMathGeometry |
| 1551 | Properties Graph | Medium | ArrayHash TableDepth-First Search |
| 1552 | Put Boxes Into the Warehouse I | Medium | ArrayGreedySorting |
| 1553 | Put Boxes Into the Warehouse II | Medium | ArrayGreedySorting |
| 1554 | Put Marbles in Bags | Hard | ArrayGreedySorting |
| 1555 | Queens That Can Attack the King | Medium | ArrayMatrixSimulation |
| 1556 | Queries on a Permutation With Key | Medium | ArrayBinary Indexed TreeSimulation |
| 1557 | Queries on Number of Points Inside a Circle | Medium | ArrayMathGeometry |
| 1558 | Query Kth Smallest Trimmed Number | Medium | ArrayStringDivide and Conquer |
| 1559 | Queue Reconstruction by Height | Medium | ArrayBinary Indexed TreeSegment Tree |
| 1560 | Rabbits in Forest | Medium | ArrayHash TableMath |
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