Hu Hanwen
@hhw
China, Ningbo
Joined Nov 2013
World Rank: #13446 (2.5 points)
Institution: Zhenhai Middle School
Activity over the last year
Effectiveness
- Problems solved
- 17
- Solutions submitted
- 108
China, Ningbo
Joined Nov 2013
World Rank: #13446 (2.5 points)
Institution: Zhenhai Middle School