Vinh Nguyễn Quang@hakuno2HakFollow BadgesProblem SolvingCPPDays of CodeDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehakuno2Hak has not updated employment details yet.EducationTHPT Chuyên Bắc NinhLinkshakuno2Hak has not updated links details yet. Skillshakuno2Hak has not updated skills details yet.