Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1546 | Print Words Vertically | Medium | ArrayStringSimulation |
| 1547 | Prison Cells After N Days | Medium | ArrayHash TableMath |
| 1548 | Probability of a Two Boxes Having The Same Number of Distinct Balls | Hard | ArrayMathDynamic Programming |
| 1549 | Process Tasks Using Servers | Medium | ArrayHeap (Priority Queue) |
| 1550 | Product of Array Except Self | Medium | ArrayPrefix Sum |
| 1551 | Product of the Last K Numbers | Medium | ArrayMathDesign |
| 1552 | Product of Two Run-Length Encoded Arrays | Medium | ArrayTwo Pointers |
| 1553 | Profitable Schemes | Hard | ArrayDynamic Programming |
| 1554 | Projection Area of 3D Shapes | Easy | ArrayMathGeometry |
| 1555 | Properties Graph | Medium | ArrayHash TableDepth-First Search |
| 1556 | Put Boxes Into the Warehouse I | Medium | ArrayGreedySorting |
| 1557 | Put Boxes Into the Warehouse II | Medium | ArrayGreedySorting |
| 1558 | Put Marbles in Bags | Hard | ArrayGreedySorting |
| 1559 | Queens That Can Attack the King | Medium | ArrayMatrixSimulation |
| 1560 | Queries on a Permutation With Key | Medium | ArrayBinary Indexed TreeSimulation |
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