Virtual contest · solo
Codeforces Global Round 28
10 problems · duration 3:00:00
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 | Kevin and Combination Lock | 800 | |
| B | Kevin and Permutation | 900 | |
| C | Kevin and Binary Strings | 1200 | |
| D | Kevin and Competition Memories | 1600 | |
| E | Kevin and Bipartite Graph | 2000 | |
| F | Kevin and Math Class | 2500 | |
| G | Kevin and Matrices | 2800 | |
| H | Kevin and Strange Operation | 3100 | |
| I1 | Kevin and Puzzle (Easy Version) | 3500 | |
| I2 | Kevin and Puzzle (Hard Version) | 3500 |