Semen Tsvetkov
@csa8
Russian Federation, Moscow
Joined Oct 2014
World Rank: #84583 (0.1 points)
Activity over the last year
Effectiveness
- Problems solved
- 1
- Solutions submitted
- 15
Problems
List of solved classical problems:
TEST |
Russian Federation, Moscow
Joined Oct 2014
World Rank: #84583 (0.1 points)
TEST |