Mateusz Jacniacki
@mateusz_jac
Poland, Lublin
Joined Oct 2019
World Rank: #18364 (1.7 points)
Institution: School
Activity over the last year
Effectiveness
- Problems solved
- 18
- Solutions submitted
- 89
Poland, Lublin
Joined Oct 2019
World Rank: #18364 (1.7 points)
Institution: School