Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3001 | Sort Array By Parity | Easy | ArrayTwo PointersSorting |
| 3002 | Sort Array By Parity II | Easy | ArrayTwo PointersSorting |
| 3003 | Sort By | Easy | JavaScript |
| 3004 | Sort Characters By Frequency | Medium | Hash TableStringSorting |
| 3005 | Sort Colors | Medium | ArrayTwo PointersSorting |
| 3006 | Sort Even and Odd Indices Independently | Easy | ArraySorting |
| 3007 | Sort Features by Popularity | Medium | ArrayHash TableString |
| 3008 | Sort Integers by The Number of 1 Bits | Easy | ArrayBit ManipulationSorting |
| 3009 | Sort Integers by The Power Value | Medium | Dynamic ProgrammingMemoizationSorting |
| 3010 | Sort Linked List Already Sorted Using Absolute Values | Medium | Linked ListTwo PointersSorting |
| 3011 | Sort List | Medium | Linked ListTwo PointersDivide and Conquer |
| 3012 | Sort Matrix by Diagonals | Medium | ArraySortingMatrix |
| 3013 | Sort the Jumbled Numbers | Medium | ArraySorting |
| 3014 | Sort the Matrix Diagonally | Medium | ArraySortingMatrix |
| 3015 | Sort the Olympic Table | Easy | Database |
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