Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 14103   Accepted: 5528   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

题目连接:problemId=542" target="_blank">ZOJ 1542 POJ 1861 Network 网络 Network Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge Andrew is working as system administrator and is planning to establish a new network in his com…

Network Time Limit: 1000MS   Memory Limit: 30000K          Special Judge http://poj.org/problem?id=1861 Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the compa…

一些学校连接到计算机网络.这些学校之间已经达成了协议: 每所学校都有一份分发软件的学校名单("接收学校"). 请注意,如果B在学校A的分发名单中,则A不一定出现在学校B的名单中您需要编写一个计划,计算必须接收新软件副本的最少学校数量, 以便软件根据协议(子任务A)到达网络中的所有学校.作为进一步的任务, 我们希望确保通过将新软件的副本发送到任意学校,该软件将覆盖网络中的所有学校. 为了实现这一目标,我们可能需要扩大新成员的接收者名单. 计算必须做的扩展的最小数目,以便我们发送新软件的任…

Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 14021   Accepted: 5484   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

题意:有n个点,部分点之间可以连接无向边,每条可以连接的边都有一个权值.求一种连接方法将这些点连接成一个连通图,且所有连接了的边中权值最大的边权值最小. 解法:水题,直接用Kruskal算法做一遍就行了,不过还是应该仔细想想为什么Kruskal可行.原因是,在从小边往大边遍历的过程中(一直保持图为连通图),若判定某边i必须被连接,则因为图是连通图,所以连接比它小的边不可能使边i不需要连接,所以,要使边i不需要连接,必须连接比它大的边,根据题目要求,还是连接边i情况更优. tag:最小生成树 /*…

Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 15268   Accepted: 5987   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

Network Time Limit: 1000MS Memory Limit: 30000K Total Submissions: Accepted: Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the company, they can…

题意:求解最小生成树,以及最小瓶颈生成树上的瓶颈边. 思路:只是求最小生成树即可.瓶颈边就是生成树上权值最大的那条边. //#include <bits/stdc++.h> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> #define INF 0x7f7f7f7f #define pii pair<int,int> #defin…

题目链接:点击打开链接 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public highways. The Flatopian government is aware of this problem and has already constructed a number of highways connecting…