The 22th Japanese Olympiad in Informatics Final Round Online ContestThe 22th Japanese Olympiad in Informatics Final Round Online Contest Home / The 22th Japanese Olympiad in Informatics Final Round Online Contest Overview Japanese version is available here. The 22th Japanese Olympiad in Informatics Final Round Online Contecontests.ioi-jp.org중국의 csy2005(Codeforces, AtCoder)라는 분이 500점으로 OC 1등을 차지했..