Li Zihan@uialldskFollow BadgesProblem SolvingCPPSql CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceuialldsk has not updated employment details yet.Educationuialldsk has not updated education details yet.Linksuialldsk has not updated links details yet. Skillsuialldsk has not updated skills details yet.