João Sobral
@chinchila
Brazil, Rio de Janeiro
Joined May 2018
World Rank: #10631 (3.3 points)
Institution: Universidade Federal do Rio de Janeiro (UFRJ)
Activity over the last year
Effectiveness
- Problems solved
- 26
- Solutions submitted
- 125
Brazil, Rio de Janeiro
Joined May 2018
World Rank: #10631 (3.3 points)
Institution: Universidade Federal do Rio de Janeiro (UFRJ)