Andrew Gray
@arkhaix
United States, San Mateo
Joined Jun 2017
World Rank: #47306 (0.4 points)
Institution: None
Activity over the last year
Effectiveness
- Problems solved
- 21
- Solutions submitted
- 49
United States, San Mateo
Joined Jun 2017
World Rank: #47306 (0.4 points)
Institution: None