submit A.cpp to 'A - ゲーム実況者Xの挑戦' (rco-contest-2018-qual) [C++14 (GCC 5.4.1)]
submit A.cpp to 'A - ゲーム実況者Xの挑戦' (rco-contest-2018-qual) [C++14 (GCC 5.4.1)]

kazunetakahashi/atcoder,kazunetakahashi/atcoder