Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 961 | Maximum Length of a Concatenated String with Unique Characters | Medium | ArrayStringBacktracking |
| 962 | Maximum Length of Pair Chain | Medium | ArrayDynamic ProgrammingGreedy |
| 963 | Maximum Length of Repeated Subarray | Medium | ArrayBinary SearchDynamic Programming |
| 964 | Maximum Length of Semi-Decreasing Subarrays | Medium | ArrayStackSorting |
| 965 | Maximum Length of Subarray With Positive Product | Medium | ArrayDynamic ProgrammingGreedy |
| 966 | Maximum Linear Stock Score | Medium | ArrayHash Table |
| 967 | Maximum Matching of Players With Trainers | Medium | ArrayTwo PointersGreedy |
| 968 | Maximum Matrix Sum | Medium | ArrayGreedyMatrix |
| 969 | Maximum Multiplication Score | Medium | ArrayDynamic Programming |
| 970 | Maximum Non Negative Product in a Matrix | Medium | ArrayDynamic ProgrammingMatrix |
| 971 | Maximum Number of Accepted Invitations | Medium | ArrayDepth-First SearchGraph |
| 972 | Maximum Number of Achievable Transfer Requests | Hard | ArrayBacktrackingBit Manipulation |
| 973 | Maximum Number of Alloys | Medium | ArrayBinary Search |
| 974 | Maximum Number of Books You Can Take | Hard | ArrayDynamic ProgrammingStack |
| 975 | Maximum Number of Coins You Can Get | Medium | ArrayMathGreedy |
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