Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1231 | Largest Rectangle in Histogram | Hard | ArrayStackMonotonic Stack |
| 1232 | Largest Subarray Length K | Easy | ArrayGreedy |
| 1233 | Largest Submatrix With Rearrangements | Medium | ArrayGreedySorting |
| 1234 | Largest Substring Between Two Equal Characters | Easy | Hash TableString |
| 1235 | Largest Sum of Averages | Medium | ArrayDynamic ProgrammingPrefix Sum |
| 1236 | Largest Triangle Area | Easy | ArrayMathGeometry |
| 1237 | Largest Unique Number | Easy | ArrayHash TableSorting |
| 1238 | Largest Values From Labels | Medium | ArrayHash TableGreedy |
| 1239 | Last Day Where You Can Still Cross | Hard | ArrayBinary SearchDepth-First Search |
| 1240 | Last Person to Fit in the Bus | Medium | Database |
| 1241 | Last Stone Weight | Easy | ArrayHeap (Priority Queue) |
| 1242 | Last Stone Weight II | Medium | ArrayDynamic Programming |
| 1243 | Last Substring in Lexicographical Order | Hard | Two PointersString |
| 1244 | Last Visited Integers | Easy | ArraySimulation |
| 1245 | Latest Time by Replacing Hidden Digits | Easy | StringGreedy |
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