Zhang Jianfeng@windhkFollow BadgesProblem SolvingCPPDays of CodeDays of JSDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencewindhk has not updated employment details yet.Educationwindhk has not updated education details yet.Linkswindhk has not updated links details yet. Skillswindhk has not updated skills details yet.