xh z
@zxh923
China, zhengzhou
Joined Sep 2023
World Rank: #12303 (2.8 points)
Institution: None
Activity over the last year
Effectiveness
- Problems solved
- 32
- Solutions submitted
- 82
China, zhengzhou
Joined Sep 2023
World Rank: #12303 (2.8 points)
Institution: None