摘要:
Problem DescriptionThere are Nvillages, which are numbered from 1 to N, and you should build someroads such that every two villages can connect to ... 阅读全文
摘要:
Problem DescriptionThere are Nvillages, which are numbered from 1 to N, and you should build someroads such that every two villages can connect to ... 阅读全文
摘要:
Problem Description某省调查乡村交通状况,得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通(但不一定有直接的公路相连,只要能间接通过公路可达即可),并要求铺设的公路总长度为最小。请计算最小的公路总长度。 Input测试输... 阅读全文
摘要:
Problem Description某省调查乡村交通状况,得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通(但不一定有直接的公路相连,只要能间接通过公路可达即可),并要求铺设的公路总长度为最小。请计算最小的公路总长度。 Input测试输... 阅读全文