Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1591 | Make a Positive Array | Medium | ArrayGreedyPrefix Sum |
| 1592 | Make a Square with the Same Color | Easy | ArrayMatrixEnumeration |
| 1593 | Make Array Elements Equal to Zero | Easy | ArraySimulationPrefix Sum |
| 1594 | Make Array Empty | Hard | ArrayBinary SearchGreedy |
| 1595 | Make Array Non-decreasing | Medium | ArrayStackGreedy |
| 1596 | Make Array Non-decreasing or Non-increasing | Hard | Dynamic ProgrammingGreedy |
| 1597 | Make Array Strictly Increasing | Hard | ArrayBinary SearchDynamic Programming |
| 1598 | Make Array Zero by Subtracting Equal Amounts | Easy | ArrayHash TableGreedy |
| 1599 | Make Costs of Paths Equal in a Binary Tree | Medium | ArrayDynamic ProgrammingGreedy |
| 1600 | Make K-Subarray Sums Equal | Medium | ArrayMathGreedy |
| 1601 | Make Lexicographically Smallest Array by Swapping Elements | Medium | ArrayUnion FindSorting |
| 1602 | Make Number of Distinct Characters Equal | Medium | Hash TableStringCounting |
| 1603 | Make Object Immutable | Medium | JavaScript |
| 1604 | Make String a Subsequence Using Cyclic Increments | Medium | Two PointersString |
| 1605 | Make Sum Divisible by P | Medium | ArrayHash TablePrefix Sum |
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