Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3376 | Web Crawler Multithreaded | Medium | Depth-First SearchBreadth-First SearchConcurrency |
| 3377 | Where Will the Ball Fall | Medium | ArrayMatrixSimulation |
| 3378 | Widest Pair of Indices With Equal Range Sum | Medium | ArrayHash TablePrefix Sum |
| 3379 | Widest Vertical Area Between Two Points Containing No Points | Easy | ArraySorting |
| 3380 | Wiggle Sort | Medium | ArrayGreedySorting |
| 3381 | Wiggle Subsequence | Medium | ArrayDynamic ProgrammingGreedy |
| 3382 | Wildcard Matching | Hard | StringDynamic ProgrammingGreedy |
| 3383 | Winner of the Linked List Game | Easy | Linked List |
| 3384 | Winning Candidate | Medium | Database |
| 3385 | Word Break | Medium | ArrayHash TableString |
| 3386 | Word Break II | Hard | ArrayHash TableString |
| 3387 | Word Frequency | Medium | Shell |
| 3388 | Word Ladder | Hard | Hash TableStringBreadth-First Search |
| 3389 | Word Ladder II | Hard | Hash TableStringBacktracking |
| 3390 | Word Pattern | Easy | Hash TableString |
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