Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3271 | Triangle | Medium | ArrayDynamic Programming |
| 3272 | Triangle Judgement | Easy | Database |
| 3273 | Trim a Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 3274 | Triples with Bitwise AND Equal To Zero | Hard | ArrayHash TableBit Manipulation |
| 3275 | Truncate Sentence | Easy | ArrayString |
| 3276 | Tuple with Same Product | Medium | ArrayHash TableCounting |
| 3277 | Tweet Counts Per Frequency | Medium | Hash TableStringBinary Search |
| 3278 | Two Best Non-Overlapping Events | Medium | ArrayBinary SearchDynamic Programming |
| 3279 | Two City Scheduling | Medium | ArrayGreedySorting |
| 3280 | Two Furthest Houses With Different Colors | Easy | ArrayGreedy |
| 3281 | Two Out of Three | Easy | ArrayHash TableBit Manipulation |
| 3282 | Two Sum | Easy | ArrayHash Table |
| 3283 | Two Sum BSTs | Medium | Two PointersBinary SearchStack |
| 3284 | Two Sum II - Input Array Is Sorted | Medium | ArrayTwo PointersBinary Search |
| 3285 | Two Sum III - Data structure design | Easy | ArrayHash TableTwo Pointers |
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