Sergey Stolnikov@SeemannRussian FederationFollowAboutEducationIrkutsk State University, IrkutskVerified SkillsCertificate: Problem Solving (Basic)VerifiedBadgesProblem SolvingEducationIrkutsk State University, IrkutskRatingsSubmissionsUser has not solved any challenges yet.Contest History001User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.