试题描述 求一个图删除一个点之后,联通块最多有多少. 输入 多组数据.第一行两个整数 P,C 表示点数和边数.接下来 C 行每行两个整数 p1,p2,表示 p1 与 p2 有边连接,保证无重边.读入以 0 0 结束. 输出 输出若干行,表示每组数据的结果. 输入示例 3 30 10 22 14 20 12 33 11 00 0 输出示例 122 详解参考https://blog.csdn.net/u013480600/article/details/30976823. 在dfs的时候,我们用…

poj2117 Electricity Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 3603   Accepted: 1213 Description Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of…

by szTom 前置知识 邻接表存储及遍历图 tarjan求强连通分量 割点 割点的定义 在一个无向图中,如果有一个顶点集合,删除这个顶点集合以及这个集合中所有顶点相关联的边以后,图的连通分量增多,就称这个点集为割点集合. 也就是说,就是有个点维持着连通分量的继续,去掉那个点,这个连通分量就无法在维持下去,分成好几个连通分量. 比如说,下图中 蓝色的点就是割点. tarjan求割点 前向边 首先,先了解什么是前向边: 将这个无向图按树排列,从子节点到其祖先的边为前向边. 即为 \(low[x]…

POJ1144 网络 description: 给出一张\(N\)个点的无向图,求其中割点的个数 data range: \(N\le 100\) solution: 一道模板题(但是读入实在是把我恶心坏了) #include<cstdio> #include<vector> #include<algorithm> #include<iostream> #include<sstream> using namespace std; const in…

Electricity Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 4727   Accepted: 1561 Description Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of them sup…

无向图求割点和连通块. /* POJ2117 */ #include <iostream> #include <vector> #include <algorithm> #include <cstdio> #include <cstring> #include <cstdlib> using namespace std; #define MAXN 10005 vector<int> vc[MAXN]; int low[MA…

描述 Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of them supplying a small area that surrounds it. This organization brings a lot of problems - it often happens tha…

英式英语metre意思是度量衡里面的单位:米 美式英语拼为 meter 除了“米”,还有一个意思是“计量器”,比如 parking meter就是是路边停车投币计时器,cab meter就是出租车的计价器,electricity meter就是电表,等等很多.…

Electricity Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 5620   Accepted: 1838 Description Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of them sup…

Electricity POJ - 2117 题目描述 Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of them supplying a small area that surrounds it. This organization brings a lot of proble…