Benjamin Jones
@bnj
China
Joined Feb 2009
World Rank: #4335 (8 points)
Institution: Daqing Experimental High School
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 199
China
Joined Feb 2009
World Rank: #4335 (8 points)
Institution: Daqing Experimental High School