Gerasimos Arvanitis@makis_arvinBelgiumFollowAboutCurrentAtosEducationNational Technical University of AthensVerified SkillsCertificate: Problem Solving (Basic)VerifiedBadgesProblem SolvingJavaEducationNational Technical University of AthensRatingsSubmissionsUser has not solved any challenges yet.Contest History001User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.