摘要: [SDOI2011]消防 题目描述 某个国家有n个城市,这n个城市中任意两个都连通且有唯一一条路径,每条连通两个城市的道路的长度为zi(zi include include include include using namespace std; int read() { int x=0,w=1;c 阅读全文
posted @ 2018-06-27 22:13 Frozen_Heart 阅读(220) 评论(0) 推荐(1) 编辑