chenzhen li
@lichenzhen
China, zhucheng
Joined Oct 2022
World Rank: #20247 (1.5 points)
Institution: czc
Activity over the last year
Effectiveness
- Problems solved
- 19
- Solutions submitted
- 74
China, zhucheng
Joined Oct 2022
World Rank: #20247 (1.5 points)
Institution: czc