摘要: 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1102 题目描述: Problem Description There are N villages, which are numbered from 1 to N, and you should bui 阅读全文
posted @ 2019-01-31 21:05 里昂静 阅读(173) 评论(0) 推荐(0) 编辑