Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1921 | Visit Array Positions to Maximize Score | Medium | ArrayDynamic Programming |
| 1922 | Vowel Spellchecker | Medium | ArrayHash TableString |
| 1923 | Walking Robot Simulation | Medium | ArrayHash TableSimulation |
| 1924 | Walls and Gates | Medium | ArrayBreadth-First SearchMatrix |
| 1925 | Watering Plants | Medium | ArraySimulation |
| 1926 | Watering Plants II | Medium | ArrayTwo PointersSimulation |
| 1927 | Ways to Make a Fair Array | Medium | ArrayPrefix Sum |
| 1928 | Ways to Split Array Into Good Subarrays | Medium | ArrayMathDynamic Programming |
| 1929 | Ways to Split Array Into Three Subarrays | Medium | ArrayTwo PointersBinary Search |
| 1930 | Where Will the Ball Fall | Medium | ArrayMatrixSimulation |
| 1931 | Widest Pair of Indices With Equal Range Sum | Medium | ArrayHash TablePrefix Sum |
| 1932 | Widest Vertical Area Between Two Points Containing No Points | Easy | ArraySorting |
| 1933 | Wiggle Sort | Medium | ArrayGreedySorting |
| 1934 | Wiggle Sort II | Medium | ArrayDivide and ConquerGreedy |
| 1935 | Wiggle Subsequence | Medium | ArrayDynamic ProgrammingGreedy |
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