Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2266 | Print Words Vertically | Medium | ArrayStringSimulation |
| 2267 | Print Zero Even Odd | Medium | Concurrency |
| 2268 | Prison Cells After N Days | Medium | ArrayHash TableMath |
| 2269 | Probability of a Two Boxes Having The Same Number of Distinct Balls | Hard | ArrayMathDynamic Programming |
| 2270 | Process Restricted Friend Requests | Hard | Union FindGraph |
| 2271 | Process Tasks Using Servers | Medium | ArrayHeap (Priority Queue) |
| 2272 | Product of Array Except Self | Medium | ArrayPrefix Sum |
| 2273 | Product of the Last K Numbers | Medium | ArrayMathDesign |
| 2274 | Product of Two Run-Length Encoded Arrays | Medium | ArrayTwo Pointers |
| 2275 | Product Price at a Given Date | Medium | Database |
| 2276 | Product Sales Analysis I | Easy | Database |
| 2277 | Product Sales Analysis II | Easy | Database |
| 2278 | Product Sales Analysis III | Medium | Database |
| 2279 | Product Sales Analysis IV | Medium | Database |
| 2280 | Product Sales Analysis V | Easy | Database |
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