@zxytim
China
Joined Nov 2008
World Rank: #6727 (5.3 points)
Institution: ChengDu No.7High
Activity over the last year
Effectiveness
- Problems solved
- 24
- Solutions submitted
- 181
China
Joined Nov 2008
World Rank: #6727 (5.3 points)
Institution: ChengDu No.7High