Đan Hoàng@nhatdanbgvtFollow BadgesProblem SolvingCPPDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencenhatdanbgvt has not updated employment details yet.EducationLe Quy Don Gifted High School, Vung TauLinksnhatdanbgvt has not updated links details yet. Skillsnhatdanbgvt has not updated skills details yet.