Kai Liu@kailiu1United StatesFollow BadgesProblem SolvingCPPJavaPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencekailiu1 has not updated employment details yet.Educationkailiu1 has not updated education details yet.