Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2866 | Walls and Gates | Medium | ArrayBreadth-First SearchMatrix |
| 2867 | Water Bottles II | Medium | MathSimulation |
| 2868 | Watering Plants | Medium | ArraySimulation |
| 2869 | Watering Plants II | Medium | ArrayTwo PointersSimulation |
| 2870 | Ways to Express an Integer as Sum of Powers | Medium | Dynamic Programming |
| 2871 | Ways to Make a Fair Array | Medium | ArrayPrefix Sum |
| 2872 | Ways to Split Array Into Good Subarrays | Medium | ArrayMathDynamic Programming |
| 2873 | Ways to Split Array Into Three Subarrays | Medium | ArrayTwo PointersBinary Search |
| 2874 | Weather Type in Each Country | Easy | Database |
| 2875 | Web Crawler Multithreaded | Medium | Depth-First SearchBreadth-First SearchConcurrency |
| 2876 | Where Will the Ball Fall | Medium | ArrayMatrixSimulation |
| 2877 | Widest Pair of Indices With Equal Range Sum | Medium | ArrayHash TablePrefix Sum |
| 2878 | Wiggle Sort | Medium | ArrayGreedySorting |
| 2879 | Wiggle Subsequence | Medium | ArrayDynamic ProgrammingGreedy |
| 2880 | Winner of the Linked List Game | Easy | Linked List |
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