Rafał Bielenia
@clazus
Poland
Joined Feb 2008
World Rank: #3927 (8.8 points)
Institution: I LO Białystok
Activity over the last year
Effectiveness
- Problems solved
- 135
- Solutions submitted
- 628
Poland
Joined Feb 2008
World Rank: #3927 (8.8 points)
Institution: I LO Białystok