Bob Han
@master_chivu
China, Shanghai
Joined Aug 2010
World Rank: #9502 (3.7 points)
Institution: Fudan University
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 153
China, Shanghai
Joined Aug 2010
World Rank: #9502 (3.7 points)
Institution: Fudan University
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