Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2821 | Richest Customer Wealth | Easy | ArrayMatrix |
| 2822 | Right Triangles | Medium | ArrayHash TableMath |
| 2823 | Rings and Rods | Easy | Hash TableString |
| 2824 | Rising Temperature | Easy | Database |
| 2825 | RLE Iterator | Medium | ArrayDesignCounting |
| 2826 | Robot Bounded In Circle | Medium | MathStringSimulation |
| 2827 | Robot Collisions | Hard | ArrayStackSorting |
| 2828 | Robot Return to Origin | Easy | StringSimulation |
| 2829 | Robot Room Cleaner | Hard | BacktrackingInteractive |
| 2830 | Rolling Average Steps | Medium | Database |
| 2831 | Roman to Integer | Easy | Hash TableMathString |
| 2832 | Root Equals Sum of Children | Easy | TreeBinary Tree |
| 2833 | Rotate Array | Medium | ArrayMathTwo Pointers |
| 2834 | Rotate Function | Medium | ArrayMathDynamic Programming |
| 2835 | Rotate Image | Medium | ArrayMathMatrix |
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