摘要: ```cpp namespace IO{ const int maxn((1 void Input(Int &x) { for (opt = 1, ch = Getc(); ch '9'; ch = Getc()) opt = ch == '-' ? -1 : 1; for (x = 0; ch = 阅读全文
posted @ 2023-07-19 15:14 lyyi2003 阅读(15) 评论(0) 推荐(0) 编辑