Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3361 | Vowels of All Substrings | Medium | MathStringDynamic Programming |
| 3362 | Walking Robot Simulation | Medium | ArrayHash TableSimulation |
| 3363 | Walking Robot Simulation II | Medium | DesignSimulation |
| 3364 | Walls and Gates | Medium | ArrayBreadth-First SearchMatrix |
| 3365 | Water and Jug Problem | Medium | MathDepth-First SearchBreadth-First Search |
| 3366 | Water Bottles | Easy | MathSimulation |
| 3367 | Water Bottles II | Medium | MathSimulation |
| 3368 | Watering Plants | Medium | ArraySimulation |
| 3369 | Watering Plants II | Medium | ArrayTwo PointersSimulation |
| 3370 | Ways to Express an Integer as Sum of Powers | Medium | Dynamic Programming |
| 3371 | Ways to Make a Fair Array | Medium | ArrayPrefix Sum |
| 3372 | Ways to Split Array Into Good Subarrays | Medium | ArrayMathDynamic Programming |
| 3373 | Ways to Split Array Into Three Subarrays | Medium | ArrayTwo PointersBinary Search |
| 3374 | Weather Type in Each Country | Easy | Database |
| 3375 | Web Crawler | Medium | StringDepth-First SearchBreadth-First Search |
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