Marcin Drzewiecki
@marcin9504
Poland, PoznaĆ
Joined Dec 2011
World Rank: #19461 (1.6 points)
Institution: PUT
Activity over the last year
Effectiveness
- Problems solved
- 30
- Solutions submitted
- 113
Poland, PoznaĆ
Joined Dec 2011
World Rank: #19461 (1.6 points)
Institution: PUT