2018年2月23日
【并查集 最小生成树】POJ2421&&HDU1102：Constructing Roads
摘要： Description 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 oth 阅读全文
posted @ 2018-02-23 17:23 听风不成泣 阅读(261) 评论(0) 推荐(0) 编辑