jinrun yin
@werner_yin
China, Changsha
Joined May 2020
World Rank: #11253 (3.1 points)
Institution: non
Activity over the last year
Effectiveness
- Problems solved
- 30
- Solutions submitted
- 94
China, Changsha
Joined May 2020
World Rank: #11253 (3.1 points)
Institution: non