Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1366 | Finding the Number of Visible Mountains | Medium | ArrayStackSorting |
| 1367 | Finding the Topic of Each Post | Hard | Database |
| 1368 | Finding the Users Active Minutes | Medium | ArrayHash Table |
| 1369 | First and Last Call On the Same Day | Hard | Database |
| 1370 | First Bad Version | Easy | Binary SearchInteractive |
| 1371 | First Completely Painted Row or Column | Medium | ArrayHash TableMatrix |
| 1372 | First Day Where You Have Been in All the Rooms | Medium | ArrayDynamic Programming |
| 1373 | First Letter Capitalization | Hard | Database |
| 1374 | First Letter Capitalization II | Hard | Database |
| 1375 | First Letter to Appear Twice | Easy | Hash TableStringBit Manipulation |
| 1376 | First Missing Positive | Hard | ArrayHash Table |
| 1377 | First Unique Character in a String | Easy | Hash TableStringQueue |
| 1378 | First Unique Number | Medium | ArrayHash TableDesign |
| 1379 | Fix Names in a Table | Easy | Database |
| 1380 | Fix Product Name Format | Easy | Database |
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