Practice problems across 75+ categories
Practice problems frequently asked at Sorting • 464 problems | 89 Easy | 273 Medium | 101 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 166 | Largest Divisible Subset | Medium | ArrayMathDynamic Programming |
| 167 | Largest Multiple of Three | Hard | ArrayMathDynamic Programming |
| 168 | Largest Number | Medium | ArrayStringGreedy |
| 169 | Largest Number After Digit Swaps by Parity | Easy | SortingHeap (Priority Queue) |
| 170 | Largest Number At Least Twice of Others | Easy | ArraySorting |
| 171 | Largest Perimeter Triangle | Easy | ArrayMathGreedy |
| 172 | Largest Positive Integer That Exists With Its Negative | Easy | ArrayHash TableTwo Pointers |
| 173 | Largest Submatrix With Rearrangements | Medium | ArrayGreedySorting |
| 174 | Largest Unique Number | Easy | ArrayHash TableSorting |
| 175 | Largest Values From Labels | Medium | ArrayHash TableGreedy |
| 176 | Least Number of Unique Integers after K Removals | Medium | ArrayHash TableGreedy |
| 177 | Length of the Longest Increasing Path | Hard | ArrayBinary SearchSorting |
| 178 | Longest Harmonious Subsequence | Easy | ArrayHash TableSliding Window |
| 179 | Longest Square Streak in an Array | Medium | ArrayHash TableBinary Search |
| 180 | Longest String Chain | Medium | ArrayHash TableTwo Pointers |
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