Viktor Pyvovarov@v_s_pyvovarovUkraineFollow BadgesProblem SolvingDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencev_s_pyvovarov has not updated employment details yet.Educationv_s_pyvovarov has not updated education details yet.