Yichen Peng
@paul2008
China, Beijing
Joined Mar 2020
World Rank: #17760 (1.8 points)
Institution: The High School Affiliated to Renmin University of China
Activity over the last year
Effectiveness
- Problems solved
- 22
- Solutions submitted
- 80
China, Beijing
Joined Mar 2020
World Rank: #17760 (1.8 points)
Institution: The High School Affiliated to Renmin University of China