Andrés Castellanos
@kastellanos
Colombia, Bogota
Joined Nov 2011
World Rank: #18479 (1.7 points)
Institution: National University of Colombia
Activity over the last year
Effectiveness
- Problems solved
- 18
- Solutions submitted
- 112
Colombia, Bogota
Joined Nov 2011
World Rank: #18479 (1.7 points)
Institution: National University of Colombia