Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 481 | Find Greatest Common Divisor of Array | Easy | ArrayMathNumber Theory |
| 482 | Find if Array Can Be Sorted | Medium | ArrayBit ManipulationSorting |
| 483 | Find if Digit Game Can Be Won | Easy | ArrayMath |
| 484 | Find in Mountain Array | Hard | ArrayBinary SearchInteractive |
| 485 | Find Indices of Stable Mountains | Easy | Array |
| 486 | Find Indices With Index and Value Difference I | Easy | ArrayTwo Pointers |
| 487 | Find Indices With Index and Value Difference II | Medium | ArrayTwo Pointers |
| 488 | Find K Closest Elements | Medium | ArrayTwo PointersBinary Search |
| 489 | Find K Pairs with Smallest Sums | Medium | ArrayHeap (Priority Queue) |
| 490 | Find K-th Smallest Pair Distance | Hard | ArrayTwo PointersBinary Search |
| 491 | Find Kth Largest XOR Coordinate Value | Medium | ArrayDivide and ConquerBit Manipulation |
| 492 | Find Latest Group of Size M | Medium | ArrayHash TableBinary Search |
| 493 | Find Lucky Integer in an Array | Easy | ArrayHash TableCounting |
| 494 | Find Maximal Uncovered Ranges | Medium | ArraySorting |
| 495 | Find Maximum Area of a Triangle | Medium | ArrayHash TableMath |
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