Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3226 | The Number of Passengers in Each Bus II | Hard | Database |
| 3227 | The Number of Rich Customers | Easy | Database |
| 3228 | The Number of Seniors and Juniors to Join the Company | Hard | Database |
| 3229 | The Number of the Smallest Unoccupied Chair | Medium | ArrayHash TableHeap (Priority Queue) |
| 3230 | The Number of Ways to Make the Sum | Medium | ArrayDynamic Programming |
| 3231 | The Number of Weak Characters in the Game | Medium | ArrayStackGreedy |
| 3232 | The Score of Students Solving Math Expression | Hard | ArrayHash TableMath |
| 3233 | The Skyline Problem | Hard | ArrayDivide and ConquerBinary Indexed Tree |
| 3234 | The Time When the Network Becomes Idle | Medium | ArrayBreadth-First SearchGraph |
| 3235 | The Two Sneaky Numbers of Digitville | Easy | ArrayHash TableMath |
| 3236 | The Users That Are Eligible for Discount | Easy | Database |
| 3237 | The Winner University | Easy | Database |
| 3238 | Third Maximum Number | Easy | ArraySorting |
| 3239 | Thousand Separator | Easy | String |
| 3240 | Three Consecutive Odds | Easy | Array |
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