상연 조@josang1204Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejosang1204 has not updated employment details yet.Educationjosang1204 has not updated education details yet.LinksGithubhttps://github.com/csy1204 Skillsjosang1204 has not updated skills details yet.