Please read the new rule regarding the restriction on the use of AI tools. ×

Expert

Helgui

Oleg Yakovlev, Oryol, Russia
Only public activity
1054 problems
solved for all time
0 problems
solved for the last year
0 problems
solved for the last month
7 days
in a row max.
0 days
in a row for the last year
0 days
in a row for the last month