Zhijin Zhai@zjzhaiFollow BadgesProblem SolvingCPPPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillCertificate: C++ (Advanced)VerifiedskillWork Experiencezjzhai has not updated employment details yet.Educationzjzhai has not updated education details yet.Linkszjzhai has not updated links details yet. Skillszjzhai has not updated skills details yet.