RKRoman Kukushkin@krv76Russian FederationFollowVerified SkillsCertificate: Python (Basic)VerifiedCertificate: Python (Intermediate)VerifiedCertificate: C++ (Basic)VerifiedBadgesProblem SolvingCPPPythonDays ofStatisticsSqlRatingsSubmissionsUser has not solved any challenges yet.Contest HistoryUser has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.