Virtual contest · solo
Codeforces Alpha Round 21 (Codeforces format)
4 problems · duration 2:00:00
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 | Jabber ID | 1900 | |
| B | Intersection | 2000 | |
| C | Stripe 2 | 2000 | |
| D | Traveling Graph | 2400 |