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

Specialist

robchik

Robert Serrano Kobylyansky, Tijuana, Mexico
From UNAM
359 problems
solved for all time
20 problems
solved for the last year
0 problems
solved for the last month
6 days
in a row max.
4 days
in a row for the last year
0 days
in a row for the last month