Kai Liu@kailiu1Follow 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.Linkskailiu1 has not updated links details yet. Skillskailiu1 has not updated skills details yet.