QIAO YANG@yangqiao0505ItalyFollowBadgesProblem SolvingDays of CodeC languageVerified SkillsCertificate: Problem Solving (Basic)VerifiedCertificate: C (Basic)VerifiedCertificate: C (Intermediate)VerifiedCertificate: C (Advanced)VerifiedWork Experienceyangqiao0505 has not updated employment details yet.Educationyangqiao0505 has not updated education details yet.