Alexander Semenov@javsjjRussian FederationFollowAboutEducationMoscow Institute of Physics and TechnologyVerified SkillsCertificate: Python (Basic)VerifiedCertificate: Problem Solving (Basic)VerifiedCertificate: SQL (Basic)VerifiedCertificate: SQL (Intermediate)VerifiedCertificate: SQL (Advanced)VerifiedBadgesProblem SolvingJavaPythonSqlRubyEducationMoscow Institute of Physics and TechnologyRatingsSubmissionsUser has not solved any challenges yet.Contest History0167User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.