Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 541 | Find the Difference of Two Arrays | Easy | ArrayHash Table |
| 542 | Find the Distance Value Between Two Arrays | Easy | ArrayTwo PointersBinary Search |
| 543 | Find the Distinct Difference Array | Easy | ArrayHash Table |
| 544 | Find the Divisibility Array of a String | Medium | ArrayMathString |
| 545 | Find the Duplicate Number | Medium | ArrayTwo PointersBinary Search |
| 546 | Find The First Player to win K Games in a Row | Medium | ArraySimulation |
| 547 | Find the Grid of Region Average | Medium | ArrayMatrix |
| 548 | Find the Highest Altitude | Easy | ArrayPrefix Sum |
| 549 | Find the Index of Permutation | Medium | ArrayBinary SearchDivide and Conquer |
| 550 | Find the Index of the Large Integer | Medium | ArrayBinary SearchInteractive |
| 551 | Find the Integer Added to Array I | Easy | Array |
| 552 | Find the Integer Added to Array II | Medium | ArrayTwo PointersSorting |
| 553 | Find the K-or of an Array | Easy | ArrayBit Manipulation |
| 554 | Find the K-Sum of an Array | Hard | ArraySortingHeap (Priority Queue) |
| 555 | Find the Kth Largest Integer in the Array | Medium | ArrayStringDivide and Conquer |
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