Virtual contest · solo
Codeforces Alpha Round 20 (Codeforces format)
3 problems · duration 1:30:00
Hit Start contest to begin the countdown. Problems below open in a new tab when you click them — close the tab when you're finished with a problem. Click ✓ next to a problem when you AC'd it on cf-mirror or CF.
| Idx | Name | Rating | Status |
|---|---|---|---|
| A | BerOS file system | 1700 | |
| B | Equation | 2000 | |
| C | Dijkstra? | 1900 |