Chen Houjin
@chenhoujin
China, Jiujiang
Joined Jan 2019
World Rank: #13487 (2.5 points)
Institution: Jiujiang No.1 Middle School
Activity over the last year
Effectiveness
- Problems solved
- 31
- Solutions submitted
- 127
China, Jiujiang
Joined Jan 2019
World Rank: #13487 (2.5 points)
Institution: Jiujiang No.1 Middle School