Chao Yang
@cyang
China
Joined Sep 2009
World Rank: #24132 (1.2 points)
Institution: Zhejiang University
Activity over the last year
Effectiveness
- Problems solved
- 26
- Solutions submitted
- 69
China
Joined Sep 2009
World Rank: #24132 (1.2 points)
Institution: Zhejiang University