ParkYoungJoon @her0gyuFollow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceher0gyu has not updated employment details yet.Educationher0gyu has not updated education details yet.Linksher0gyu has not updated links details yet. Skillsher0gyu has not updated skills details yet.