Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1591 | Magic Squares In Grid | Medium | ArrayHash TableMath |
| 1592 | Magical String | Medium | Two PointersString |
| 1593 | Magnetic Force Between Two Balls | Medium | ArrayBinary SearchSorting |
| 1594 | Majority Element | Easy | ArrayHash TableDivide and Conquer |
| 1595 | Majority Element II | Medium | ArrayHash TableSorting |
| 1596 | Make a Positive Array | Medium | ArrayGreedyPrefix Sum |
| 1597 | Make a Square with the Same Color | Easy | ArrayMatrixEnumeration |
| 1598 | Make Array Elements Equal to Zero | Easy | ArraySimulationPrefix Sum |
| 1599 | Make Array Empty | Hard | ArrayBinary SearchGreedy |
| 1600 | Make Array Non-decreasing | Medium | ArrayStackGreedy |
| 1601 | Make Array Non-decreasing or Non-increasing | Hard | Dynamic ProgrammingGreedy |
| 1602 | Make Array Strictly Increasing | Hard | ArrayBinary SearchDynamic Programming |
| 1603 | Make Array Zero by Subtracting Equal Amounts | Easy | ArrayHash TableGreedy |
| 1604 | Make Costs of Paths Equal in a Binary Tree | Medium | ArrayDynamic ProgrammingGreedy |
| 1605 | Make K-Subarray Sums Equal | Medium | ArrayMathGreedy |
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