ISWAO Online X Contest
HOME
CONTESTS
PROBLEMS
RANKINGS
RULES
ABOUT
LOG IN
ISWAO Online X Contest
HOME
CONTESTS
PROBLEMS
RANKINGS
RULES
ABOUT
LOG IN
FQC001
トップ
問題
提出一覧
順位表
解説
解説 : FQC001 (N)
正解：OSRD (Office of Scientific Research and Development)