Rafał Witkowski
@rmiw
Poland, Poznań
Joined Jun 2004
World Rank: #122154 (0 points)
Institution: Adam Mickiewicz University
Activity over the last year
Effectiveness
- Problems solved
- 5
- Solutions submitted
- 20
Poland, Poznań
Joined Jun 2004
World Rank: #122154 (0 points)
Institution: Adam Mickiewicz University