이옥규 @oggyu77Follow BadgesProblem SolvingCPPDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceoggyu77 has not updated employment details yet.EducationUlsan UniversityLinksoggyu77 has not updated links details yet. Skillsoggyu77 has not updated skills details yet.