VSVadim Semenov@VadimSemUnited StatesFollowBadgesProblem SolvingCPPVerified SkillsCertificate: Problem Solving (Basic)VerifiedCertificate: Problem Solving (Intermediate)VerifiedCertificate: Problem Solving (Advanced)VerifiedWork ExperienceVadimSem has not updated employment details yet.EducationVadimSem has not updated education details yet.