Sergei Drozdov@smdrozdovFollow BadgesProblem SolvingCPPJavaPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencesmdrozdov has not updated employment details yet.EducationSt. Petersburg State UniversityMathematicsLinkssmdrozdov has not updated links details yet. Skillssmdrozdov has not updated skills details yet.