zhou zixuan
@zhouzixuan
China, guangzhou
Joined Feb 2013
World Rank: #21260 (1.4 points)
Institution: 六中珠江&a
Activity over the last year
Effectiveness
- Problems solved
- 24
- Solutions submitted
- 109
China, guangzhou
Joined Feb 2013
World Rank: #21260 (1.4 points)
Institution: 六中珠江&a