PCPeng Cao@cpcsUnited StatesFollowAboutCurrentGoogleEducationICTVerified SkillsCertificate: Problem Solving (Basic)VerifiedBadgesProblem SolvingDays of CodeWork ExperienceGoogle EducationICTRatingsSubmissionsUser has not solved any challenges yet.Contest History892User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.