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题目地址:http://ac.jobdu.com/problem.php?pid=1024题目描述: 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... 阅读全文
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题目地址:http://ac.jobdu.com/problem.php?pid=1446题目描述: One way that the police finds the head of a gang is to check people's phone calls. If there is a ph... 阅读全文
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题目地址:http://poj.org/problem?id=1080DescriptionIt is well known that a human gene can be considered as a sequence, consisting of four nucleotides, whic... 阅读全文