@ziyuang
China
Joined May 2010
World Rank: #7256 (4.9 points)
Institution: University of Science and Technology of China
Activity over the last year
Effectiveness
- Problems solved
- 23
- Solutions submitted
- 34
China
Joined May 2010
World Rank: #7256 (4.9 points)
Institution: University of Science and Technology of China