chengyou shih@chengyouFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencechengyou has not updated employment details yet.EducationNational Taiwan University (NTU), TaipeiLinkschengyou has not updated links details yet. Skillschengyou has not updated skills details yet.