Ivan Sorokin
@sorokin
Russian Federation
Joined Dec 2007
World Rank: #84575 (0.1 points)
Activity over the last year
Effectiveness
- Problems solved
- 1
- Solutions submitted
- 2
Problems
List of solved classical problems:
TEST |
Russian Federation
Joined Dec 2007
World Rank: #84575 (0.1 points)
TEST |