Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2836 | Rotate List | Medium | Linked ListTwo Pointers |
| 2837 | Rotate String | Easy | StringString Matching |
| 2838 | Rotated Digits | Medium | MathDynamic Programming |
| 2839 | Rotting Oranges | Medium | ArrayBreadth-First SearchMatrix |
| 2840 | Row With Maximum Ones | Easy | ArrayMatrix |
| 2841 | Running Sum of 1d Array | Easy | ArrayPrefix Sum |
| 2842 | Running Total for Different Genders | Medium | Database |
| 2843 | Russian Doll Envelopes | Hard | ArrayBinary SearchDynamic Programming |
| 2844 | Sales Analysis I | Easy | Database |
| 2845 | Sales Analysis II | Easy | Database |
| 2846 | Sales Analysis III | Easy | Database |
| 2847 | Sales by Day of the Week | Hard | Database |
| 2848 | Sales Person | Easy | Database |
| 2849 | Same Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 2850 | Satisfiability of Equality Equations | Medium | ArrayStringUnion Find |
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