Long Đặng
@canphongbang23
Viet Nam, Hà Nội
Joined Jul 2016
World Rank: #34131 (0.7 points)
Institution: Hà Nội
ccdcdscsd
Activity over the last year
Effectiveness
- Problems solved
- 15
- Solutions submitted
- 154
Viet Nam, Hà Nội
Joined Jul 2016
World Rank: #34131 (0.7 points)
Institution: Hà Nội
ccdcdscsd