Yichen Peng
@paul2008
China, Beijing
Joined Mar 2020
World Rank: #18620 (1.7 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: #18620 (1.7 points)
Institution: The High School Affiliated to Renmin University of China
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