Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1276 | Finding Pairs With a Certain Sum | Medium | ArrayHash TableDesign |
| 1277 | Finding the Number of Visible Mountains | Medium | ArrayStackSorting |
| 1278 | Finding the Topic of Each Post | Hard | Database |
| 1279 | Finding the Users Active Minutes | Medium | ArrayHash Table |
| 1280 | First and Last Call On the Same Day | Hard | Database |
| 1281 | First Bad Version | Easy | Binary SearchInteractive |
| 1282 | First Completely Painted Row or Column | Medium | ArrayHash TableMatrix |
| 1283 | First Day Where You Have Been in All the Rooms | Medium | ArrayDynamic Programming |
| 1284 | First Letter Capitalization | Hard | Database |
| 1285 | First Letter Capitalization II | Hard | Database |
| 1286 | First Letter to Appear Twice | Easy | Hash TableStringBit Manipulation |
| 1287 | First Missing Positive | Hard | ArrayHash Table |
| 1288 | First Unique Character in a String | Easy | Hash TableStringQueue |
| 1289 | First Unique Number | Medium | ArrayHash TableDesign |
| 1290 | Fix Names in a Table | Easy | Database |
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