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Agri-Net (poj 1258 最短路+prim)

作者:潜江市宏光畜牧有限公司 来源:www.qjhgnm.com 未知发布时间:2017-09-02 11:48:44
Agri-Net (poj 1258 最短路+prim)

Language: Agri-Net Time Limit: 1000MS Memory Limit: 10000K

Total Submissions: 40905 Accepted: 16682

Description

Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs your help, of course.
Farmer John ordered a high speed connection for his farm and is going to share his connectivity with the other farmers. To minimize cost, he wants to lay the minimum amount of optical fiber to connect his farm to all the other farms.
Given a list of how much fiber it takes to connect each pair of farms, you must find the minimum amount of fiber needed to connect them all together. Each farm must connect to some other farm such that a packet can flow from any one farm to any other farm.
The distance between any two farms will not exceed 100,000.

Input

The input includes several cases. For each case, the first line contains the number of farms, N (3 ,采集软件

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