Igor Marchenko
| City |  Ukraine, Sumy |
| Study place | SumySU |
| Course | 1 |
| Age | 19 |
Rating
| Place | 25 ↓ worse |
| Rating | 64962 |
| Accepted problems | 666 |
| Solutions | 3280 |
| Activity | sends 3.392 solutions day |
Groups
- Sumy Team
- ÄËÊØ 2011
- ÄËÊØ 2012
- Ñóìû - 2012
Time
23 May 2012
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