Alexander Yukhanov@jaj_jajFollow BadgesProblem SolvingCPPDays of JS CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejaj_jaj has not updated employment details yet.Educationjaj_jaj has not updated education details yet.Linksjaj_jaj has not updated links details yet. Skillsjaj_jaj has not updated skills details yet.