Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1441 | Largest Rectangle in Histogram | Hard | ArrayStackMonotonic Stack |
| 1442 | Largest Subarray Length K | Easy | ArrayGreedy |
| 1443 | Largest Submatrix With Rearrangements | Medium | ArrayGreedySorting |
| 1444 | Largest Substring Between Two Equal Characters | Easy | Hash TableString |
| 1445 | Largest Sum of Averages | Medium | ArrayDynamic ProgrammingPrefix Sum |
| 1446 | Largest Time for Given Digits | Medium | ArrayStringBacktracking |
| 1447 | Largest Triangle Area | Easy | ArrayMathGeometry |
| 1448 | Largest Unique Number | Easy | ArrayHash TableSorting |
| 1449 | Largest Values From Labels | Medium | ArrayHash TableGreedy |
| 1450 | Last Day Where You Can Still Cross | Hard | ArrayBinary SearchDepth-First Search |
| 1451 | Last Moment Before All Ants Fall Out of a Plank | Medium | ArrayBrainteaserSimulation |
| 1452 | Last Person to Fit in the Bus | Medium | Database |
| 1453 | Last Stone Weight | Easy | ArrayHeap (Priority Queue) |
| 1454 | Last Stone Weight II | Medium | ArrayDynamic Programming |
| 1455 | Last Substring in Lexicographical Order | Hard | Two PointersString |
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