Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2866 | Select Data | Easy | Pandas |
| 2867 | Select K Disjoint Special Substrings | Medium | Hash TableStringDynamic Programming |
| 2868 | Self Crossing | Hard | ArrayMathGeometry |
| 2869 | Self Dividing Numbers | Easy | Math |
| 2870 | Sell Diminishing-Valued Colored Balls | Medium | ArrayMathBinary Search |
| 2871 | Sellers With No Sales | Easy | Database |
| 2872 | Selling Pieces of Wood | Hard | ArrayDynamic ProgrammingMemoization |
| 2873 | Semi-Ordered Permutation | Easy | ArraySimulation |
| 2874 | Sender With Largest Word Count | Medium | ArrayHash TableString |
| 2875 | Sentence Screen Fitting | Medium | ArrayStringDynamic Programming |
| 2876 | Sentence Similarity | Easy | ArrayHash TableString |
| 2877 | Sentence Similarity II | Medium | ArrayHash TableString |
| 2878 | Separate Black and White Balls | Medium | Two PointersStringGreedy |
| 2879 | Separate Squares I | Medium | ArrayBinary Search |
| 2880 | Separate the Digits in an Array | Easy | ArraySimulation |
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