chen zeyu
@stars_czy
China, chongqing
Joined Sep 2023
World Rank: #8827 (4 points)
Institution: Yucai middle school
Activity over the last year
Effectiveness
- Problems solved
- 33
- Solutions submitted
- 183
China, chongqing
Joined Sep 2023
World Rank: #8827 (4 points)
Institution: Yucai middle school