Virtual contest · solo
VK Cup 2012 Wild-card Round 1
10 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 | Pentagonal numbers | 1100 | |
| B | Binary notation | 1800 | |
| C | Prime factorization | 1800 | |
| D | Remove digits | 1900 | |
| E | HQ9+ | 1800 | |
| F | Factorial zeros | 1800 | |
| G | Non-decimal sum | 2000 | |
| H | Alternating case | 1800 | |
| I | Truncatable primes | 2000 | |
| J | Brackets | 1800 |