Jeffrey Chen
@ultimatedbz
United States, San Diego
Joined Jul 2015
World Rank: #65216 (0.2 points)
Institution: UCSD
Activity over the last year
Effectiveness
- Problems solved
- 44
- Solutions submitted
- 183
United States, San Diego
Joined Jul 2015
World Rank: #65216 (0.2 points)
Institution: UCSD