Alex Shanin@metamorphyRussian FederationFollowVerified SkillsCertificate: Problem Solving (Intermediate)VerifiedCertificate: Problem Solving (Basic)VerifiedCertificate: Problem Solving (Advanced)VerifiedBadgesProblem SolvingRatingsSubmissionsUser has not solved any challenges yet.Contest History010User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.