Jan Opacki
@jan
Poland
Joined May 2006
World Rank: #37329 (0.6 points)
Institution: Jagiellonian University
Activity over the last year
Effectiveness
- Problems solved
- 45
- Solutions submitted
- 98
Poland
Joined May 2006
World Rank: #37329 (0.6 points)
Institution: Jagiellonian University