摘要: Description There is given the series of n closed intervals [ai; bi], where i=1,2,...,n. The sum of those intervals may be represented as a sum of clo 阅读全文
posted @ 2016-06-21 21:29 ljh_2000 阅读(269) 评论(0) 推荐(0) 编辑
摘要: 题目描述 Description 一个国家有n个城市。若干个城市之间有电话线连接,现在要增加m条电话线(电话线当然是双向的了),使得任意两个城市之间都直接或间接经过其他城市有电话线连接,你的程序应该能够找出最小费用及其一种连接方案。 题目描述 Description 一个国家有n个城市。若干个城市之 阅读全文
posted @ 2016-06-21 20:06 ljh_2000 阅读(338) 评论(1) 推荐(0) 编辑