Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1606 | Remove Interval | Medium | Array |
| 1607 | Remove One Element to Make the Array Strictly Increasing | Easy | Array |
| 1608 | Remove Stones to Minimize the Total | Medium | ArrayGreedyHeap (Priority Queue) |
| 1609 | Remove Sub-Folders from the Filesystem | Medium | ArrayStringDepth-First Search |
| 1610 | Removing Minimum and Maximum From Array | Medium | ArrayGreedy |
| 1611 | Removing Minimum Number of Magic Beans | Medium | ArrayGreedySorting |
| 1612 | Reorder Data in Log Files | Medium | ArrayStringSorting |
| 1613 | Replace Elements in an Array | Medium | ArrayHash TableSimulation |
| 1614 | Replace Elements with Greatest Element on Right Side | Easy | Array |
| 1615 | Replace Non-Coprime Numbers in Array | Hard | ArrayMathStack |
| 1616 | Replace Words | Medium | ArrayHash TableString |
| 1617 | Report Spam Message | Medium | ArrayHash TableString |
| 1618 | Reschedule Meetings for Maximum Free Time I | Medium | ArrayGreedySliding Window |
| 1619 | Reschedule Meetings for Maximum Free Time II | Medium | ArrayGreedyEnumeration |
| 1620 | Reshape the Matrix | Easy | ArrayMatrixSimulation |
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