随笔分类 - 最小生成树
摘要:Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undirected graph
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摘要:DescriptionFarmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farm...
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摘要:链接:https://ac.nowcoder.com/acm/contest/330/G来源:牛客网 时间限制:C/C++ 2秒,其他语言4秒空间限制:C/C++ 262144K,其他语言524288K64bit IO Format: %lld题目描述众所周知,App...
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摘要:省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通(但不一定有直接的公路相连,只要能间接通过公路可达即可)。经过调查评估,得到的统计表中列出了有可能建设公路的若干条道路的成本。现请你编写程序,计算出全省畅通需要的最低成本。 Input测试输入包含若干测试...
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