Marcin Wrochniak
@vrok
Poland, krakow
Joined May 2005
World Rank: #21491 (1.4 points)
Institution: Jagiellonian University
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 83
Poland, krakow
Joined May 2005
World Rank: #21491 (1.4 points)
Institution: Jagiellonian University