submit D.cpp to 'D - Shortest Path on a Line' (nikkei2019-2-qual) [C++14 (GCC 5.4.1)]
submit D.cpp to 'D - Shortest Path on a Line' (nikkei2019-2-qual) [C++14 (GCC 5.4.1)]

kazunetakahashi/atcoder,kazunetakahashi/atcoder