Yu Guo
@klad2008
China, Shaoxing
Joined Jul 2015
World Rank: #4509 (7.7 points)
Institution: Shaoxing No.1 high school
Activity over the last year
Effectiveness
- Problems solved
- 52
- Solutions submitted
- 160
China, Shaoxing
Joined Jul 2015
World Rank: #4509 (7.7 points)
Institution: Shaoxing No.1 high school