Borys Dibrov
@dibrov4bor
Ukraine
Joined Sep 2007
World Rank: #16265 (2 points)
Institution: Sumy State University
Activity over the last year
Effectiveness
- Problems solved
- 24
- Solutions submitted
- 133
Ukraine
Joined Sep 2007
World Rank: #16265 (2 points)
Institution: Sumy State University