Virtual contest · solo
Codeforces Global Round 20
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 | Log Chopping | 800 | |
| B | I love AAAB | 800 | |
| C | Unequal Array | 1100 | |
| D | Cyclic Rotation | 1700 | |
| E | notepad.exe | 2200 | |
| F1 | Array Shuffling | 2000 | |
| F2 | Checker for Array Shuffling | 2800 | |
| G | Cross Xor | 3200 | |
| H | Zigu Zagu | 2700 | |
| I | PermutationForces | 3000 |