Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2326 | N-th Tribonacci Number | Easy | MathDynamic ProgrammingMemoization |
| 2327 | Naming a Company | Hard | ArrayHash TableString |
| 2328 | Neighboring Bitwise XOR | Medium | ArrayBit Manipulation |
| 2329 | Neither Minimum nor Maximum | Easy | ArraySorting |
| 2330 | Nested Array Generator | Medium | JavaScript |
| 2331 | Nested List Weight Sum | Medium | Depth-First SearchBreadth-First Search |
| 2332 | Nested List Weight Sum II | Medium | StackDepth-First SearchBreadth-First Search |
| 2333 | Network Delay Time | Medium | Depth-First SearchBreadth-First SearchGraph |
| 2334 | New 21 Game | Medium | MathDynamic ProgrammingSliding Window |
| 2335 | New Users Daily Count | Medium | Database |
| 2336 | Next Closest Time | Medium | Hash TableStringBacktracking |
| 2337 | Next Day | Easy | JavaScript |
| 2338 | Next Greater Element I | Easy | ArrayHash TableStack |
| 2339 | Next Greater Element II | Medium | ArrayStackMonotonic Stack |
| 2340 | Next Greater Element III | Medium | MathTwo PointersString |
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