Xiaolong Zhang@xlgzhangFollow BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencexlgzhang has not updated employment details yet.Educationxlgzhang has not updated education details yet.Linksxlgzhang has not updated links details yet. Skillsxlgzhang has not updated skills details yet.