Lai Toan
@quoc_toan_1507
Viet Nam, Hanoi
Joined Mar 2019
World Rank: #47307 (0.4 points)
Institution: Haui
Activity over the last year
Effectiveness
- Problems solved
- 18
- Solutions submitted
- 263
Viet Nam, Hanoi
Joined Mar 2019
World Rank: #47307 (0.4 points)
Institution: Haui