Z. L.
@supernanren
United States, Shanghai
Joined Sep 2018
World Rank: #9 (661.2 points)
Institution: NONE
supernanren123 AT gmail.com
Activity over the last year
Effectiveness
- Problems solved
- 1333
- Solutions submitted
- 3942
United States, Shanghai
Joined Sep 2018
World Rank: #9 (661.2 points)
Institution: NONE
supernanren123 AT gmail.com