Yang Woocheol@guinn0098Republic of KoreaFollow BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experienceguinn0098 has not updated employment details yet.Educationguinn0098 has not updated education details yet.