Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3226 | The Two Sneaky Numbers of Digitville | Easy | ArrayHash TableMath |
| 3227 | The Users That Are Eligible for Discount | Easy | Database |
| 3228 | The Winner University | Easy | Database |
| 3229 | Third Maximum Number | Easy | ArraySorting |
| 3230 | Thousand Separator | Easy | String |
| 3231 | Three Consecutive Odds | Easy | Array |
| 3232 | Three Divisors | Easy | MathEnumerationNumber Theory |
| 3233 | Three Equal Parts | Hard | ArrayMath |
| 3234 | Throne Inheritance | Medium | Hash TableTreeDepth-First Search |
| 3235 | Throttle | Medium | JavaScript |
| 3236 | Tiling a Rectangle with the Fewest Squares | Hard | Backtracking |
| 3237 | Time Based Key-Value Store | Medium | Hash TableStringBinary Search |
| 3238 | Time Needed to Buy Tickets | Easy | ArrayQueueSimulation |
| 3239 | Time Needed to Inform All Employees | Medium | TreeDepth-First SearchBreadth-First Search |
| 3240 | Time Needed to Rearrange a Binary String | Medium | StringDynamic ProgrammingSimulation |
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