Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 736 | Kth Smallest Element in a Sorted Matrix | Medium | ArrayBinary SearchSorting |
| 737 | Kth Smallest Instructions | Hard | ArrayMathDynamic Programming |
| 738 | Kth Smallest Path XOR Sum | Hard | ArrayTreeDepth-First Search |
| 739 | Kth Smallest Product of Two Sorted Arrays | Hard | ArrayBinary Search |
| 740 | Kth Smallest Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 741 | Largest 1-Bordered Square | Medium | ArrayDynamic ProgrammingMatrix |
| 742 | Largest Combination With Bitwise AND Greater Than Zero | Medium | ArrayHash TableBit Manipulation |
| 743 | Largest Component Size by Common Factor | Hard | ArrayHash TableMath |
| 744 | Largest Divisible Subset | Medium | ArrayMathDynamic Programming |
| 745 | Largest Element in an Array after Merge Operations | Medium | ArrayGreedy |
| 746 | Largest Local Values in a Matrix | Easy | ArrayMatrix |
| 747 | Largest Magic Square | Medium | ArrayMatrixPrefix Sum |
| 748 | Largest Multiple of Three | Hard | ArrayMathDynamic Programming |
| 749 | Largest Number | Medium | ArrayStringGreedy |
| 750 | Largest Number After Mutating Substring | Medium | ArrayStringGreedy |
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