Song @guangysongCanadaFollow BadgesProblem SolvingCPPDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experienceguangysong has not updated employment details yet.Educationguangysong has not updated education details yet.