Expert

fitisovartyom123

Artyom Fitisov, Saint Petersburg, Russia
 
 
 
 
 
 
 
 
582 problems
solved for all time
271 problems
solved for the last year
3 problems
solved for the last month
5 days
in a row max.
4 days
in a row for the last year
1 day
in a row for the last month