Xiao Mei@rcx_extFollow BadgesProblem SolvingC language CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencercx_ext has not updated employment details yet.Educationrcx_ext has not updated education details yet.Linksrcx_ext has not updated links details yet. Skillsrcx_ext has not updated skills details yet.