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@kirin
China, Zhengzhou
Joined Jun 2017
World Rank: #6602 (5.4 points)
Institution: ZZFLS
Activity over the last year
Effectiveness
- Problems solved
- 27
- Solutions submitted
- 97
China, Zhengzhou
Joined Jun 2017
World Rank: #6602 (5.4 points)
Institution: ZZFLS