chen zeyu
@stars_czy
China, chongqing
Joined Sep 2023
World Rank: #8605 (4.1 points)
Institution: Yucai middle school
Activity over the last year
Effectiveness
- Problems solved
- 34
- Solutions submitted
- 184
China, chongqing
Joined Sep 2023
World Rank: #8605 (4.1 points)
Institution: Yucai middle school