Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 661 | Get Watched Videos by Your Friends | Medium | ArrayHash TableBreadth-First Search |
| 662 | Global and Local Inversions | Medium | ArrayMath |
| 663 | Graph Connectivity With Threshold | Hard | ArrayMathUnion Find |
| 664 | Greatest Common Divisor Traversal | Hard | ArrayMathUnion Find |
| 665 | Greatest Sum Divisible by Three | Medium | ArrayDynamic ProgrammingGreedy |
| 666 | Grid Game | Medium | ArrayMatrixPrefix Sum |
| 667 | Grid Illumination | Hard | ArrayHash Table |
| 668 | Grid Teleportation Traversal | Medium | ArrayHash TableBreadth-First Search |
| 669 | Group Anagrams | Medium | ArrayHash TableString |
| 670 | Group Shifted Strings | Medium | ArrayHash TableString |
| 671 | Group the People Given the Group Size They Belong To | Medium | ArrayHash TableGreedy |
| 672 | Groups of Special-Equivalent Strings | Medium | ArrayHash TableString |
| 673 | Grumpy Bookstore Owner | Medium | ArraySliding Window |
| 674 | Guess the Majority in a Hidden Array | Medium | ArrayMathInteractive |
| 675 | Guess the Word | Hard | ArrayMathString |
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