@sqybi
China
Joined Dec 2007
World Rank: #18515 (1.7 points)
Institution: Shanghai Jiao Tong University
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 96
China
Joined Dec 2007
World Rank: #18515 (1.7 points)
Institution: Shanghai Jiao Tong University