Duncan Xu@duncan7823United StatesFollow BadgesProblem SolvingCPPC language CertificationsCertificate: C (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillWork Experienceduncan7823 has not updated employment details yet.Educationduncan7823 has not updated education details yet.