Practice problems across 75+ categories
Practice problems frequently asked at Uber • 31 problems | 10 Easy | 15 Medium | 6 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 16 | Hopper Company Queries III | Hard | Database |
| 17 | Immediate Food Delivery I | Easy | Database |
| 18 | Immediate Food Delivery II | Medium | Database |
| 19 | Immediate Food Delivery III | Medium | Database |
| 20 | K Closest Points to Origin | Medium | ArrayMathDivide and Conquer |
| 21 | Maximum Earnings From Taxi | Medium | ArrayHash TableBinary Search |
| 22 | Modify Columns | Easy | Database |
| 23 | Number of Times a Driver Was a Passenger | Medium | Database |
| 24 | Number of Ways to Arrive at Destination | Medium | Dynamic ProgrammingGraphTopological Sort |
| 25 | Pizza Toppings Cost Analysis | Medium | Database |
| 26 | Promise Time Limit | Medium | JavaScript |
| 27 | Reshape Data: Melt | Easy | Database |
| 28 | Serialize and Deserialize Binary Tree | Hard | StringTreeDepth-First Search |
| 29 | The Maze II | Medium | ArrayDepth-First SearchBreadth-First Search |
| 30 | Top Travellers | Easy | Database |
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