Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3256 | Total Hamming Distance | Medium | ArrayMathBit Manipulation |
| 3257 | Total Sales Amount by Year | Hard | Database |
| 3258 | Total Traveled Distance | Easy | Database |
| 3259 | Tournament Winners | Hard | Database |
| 3260 | Traffic Light Controlled Intersection | Easy | Concurrency |
| 3261 | Transform Array by Parity | Easy | ArraySortingCounting |
| 3262 | Transform Array to All Equal Elements | Medium | ArrayGreedy |
| 3263 | Transformed Array | Easy | ArraySimulation |
| 3264 | Transpose File | Medium | Shell |
| 3265 | Transpose Matrix | Easy | ArrayMatrixSimulation |
| 3266 | Trapping Rain Water | Hard | ArrayTwo PointersDynamic Programming |
| 3267 | Trapping Rain Water II | Hard | ArrayBreadth-First SearchHeap (Priority Queue) |
| 3268 | Tree Diameter | Medium | TreeDepth-First SearchBreadth-First Search |
| 3269 | Tree Node | Medium | Database |
| 3270 | Tree of Coprimes | Hard | ArrayMathTree |
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