Cho SungHoon@greeting21client software engineer at KraftonFollow BadgesProblem SolvingCPPDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceJTT ComputerEducationAjou University, SuwŏnLinksgreeting21 has not updated links details yet. Skillsgreeting21 has not updated skills details yet.