Not Happening
@klzx
Serbia, Nis
Joined Feb 2018
World Rank: #3583 (9.5 points)
Institution: Gimnazija
Activity over the last year
Effectiveness
- Problems solved
- 10
- Solutions submitted
- 291
Serbia, Nis
Joined Feb 2018
World Rank: #3583 (9.5 points)
Institution: Gimnazija