Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 481 | Magical String | Medium | Two PointersString |
| 482 | License Key Formatting | Easy | String |
| 483 | Smallest Good Base | Hard | MathBinary Search |
| 484 | Find Permutation | Medium | ArrayStringStack |
| 485 | Max Consecutive Ones | Easy | Array |
| 486 | Predict the Winner | Medium | ArrayMathDynamic Programming |
| 487 | Max Consecutive Ones II | Medium | ArrayDynamic ProgrammingSliding Window |
| 488 | Zuma Game | Hard | StringDynamic ProgrammingStack |
| 489 | Robot Room Cleaner | Hard | BacktrackingInteractive |
| 490 | The Maze | Medium | ArrayDepth-First SearchBreadth-First Search |
| 491 | Non-decreasing Subsequences | Medium | ArrayHash TableBacktracking |
| 492 | Construct the Rectangle | Easy | Math |
| 493 | Reverse Pairs | Hard | ArrayBinary SearchDivide and Conquer |
| 494 | Target Sum | Medium | ArrayDynamic ProgrammingBacktracking |
| 495 | Teemo Attacking | Easy | ArraySimulation |
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