Zbigniew Andrzejewski
@speego
Poland, PoznaĹ
Joined Oct 2014
World Rank: #14009 (2.4 points)
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 55
Poland, PoznaĹ
Joined Oct 2014
World Rank: #14009 (2.4 points)