Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3451 | Sorting Three Groups | Medium | ArrayBinary SearchDynamic Programming |
| 3452 | Soup Servings | Medium | MathDynamic ProgrammingProbability and Statistics |
| 3453 | Sparse Matrix Multiplication | Medium | ArrayHash TableMatrix |
| 3454 | Sparse Matrix Operations | Medium | Arrays2D ArrayOptimization |
| 3455 | Special Array I | Easy | Array |
| 3456 | Special Array II | Medium | ArrayBinary SearchPrefix Sum |
| 3457 | Special Array With X Elements Greater Than or Equal X | Easy | ArrayBinary SearchSorting |
| 3458 | Special Binary String | Hard | StringRecursion |
| 3459 | Special Permutations | Medium | ArrayDynamic ProgrammingBit Manipulation |
| 3460 | Special Positions in a Binary Matrix | Easy | ArrayMatrix |
| 3461 | Spell Checker | Medium | Advanced StringsStringDistance |
| 3462 | Spiral Matrix | Medium | ArrayMatrixSimulation |
| 3463 | Spiral Matrix II | Medium | ArrayMatrixSimulation |
| 3464 | Spiral Matrix III | Medium | ArrayMatrixSimulation |
| 3465 | Spiral Matrix IV | Medium | ArrayLinked ListMatrix |
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