摘要：There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say t 阅读全文

摘要：Jungle Roads Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 27279 Accepted: 12839 Description The Head Elder of the tropical island of Lag 阅读全文

摘要：参考博客：https://blog.csdn.net/Shaosenmonitor/article/details/102681095拿 HDU－1233 还是畅通工程 这道题作为例子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 阅读全文