Hoàng Long Nguyễn@n_hoanglong123VietnamFollow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencen_hoanglong123 has not updated employment details yet.Educationn_hoanglong123 has not updated education details yet.