1002liu - 博客园

2013年9月9日

摘要： Problem Description A tree with N nodes and N-1 edges is given. To connect or disconnect one edge, we need 1 unit of cost respectively. The nodes are labeled from 1 to N. Your job is to transform the ... 阅读全文

posted @ 2013-09-09 22:42 1002liu 阅读(250) 评论(0) 推荐(0) 编辑