Source: PAT A1034 Head of a Gang (30 分) Description: One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to b…

分析: 考察并查集,注意中间合并时的时间的合并和人数的合并. #include <iostream> #include <stdio.h> #include <algorithm> #include <cstring> #include <string> #include <vector> #include <cctype> #include <map> using namespace std; const i…

[BZOJ1370][Baltic2003]Gang团伙 试题描述 在某城市里住着n个人,任何两个认识的人不是朋友就是敌人,而且满足: 1. 我朋友的朋友是我的朋友: 2. 我敌人的敌人是我的朋友: 所有是朋友的人组成一个团伙.告诉你关于这n个人的m条信息,即某两个人是朋友,或者某两个人是敌人,请你编写一个程序,计算出这个城市最多可能有多少个团伙? 输入 第1行为n和m,N小于1000,M小于5000: 以下m行,每行为p x y,p的值为0或1,p为0时,表示x和y是朋友,p为1时,表示x和y…

One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to be the total time length of all the phone calls made b…

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 phone call between A and B, we say that A and B is related. The weight of a relation is defined to be…

题目地址:http://pat.zju.edu.cn/contests/pat-a-practise/1034 此题考查并查集的应用,要熟悉在合并的时候存储信息: #include <iostream> #include <string> #include <map> #include <vector> #include <algorithm> #include <cstddef> using namespace std; struc…

One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to be the total time length of all the phone calls made b…

题目如下: One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to be the total time length of all the phone calls…

1034. Head of a Gang (30) 时间限制 100 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related.…

题目:https://pintia.cn/problem-sets/994805342720868352/problems/994805456881434624 题意: 给定n条记录(注意不是n个人的记录),两个人之间的关系的权值为这两个人之间所有电话记录的时间之和. 一个连通块的权值为所有关系权值之和. 如果一个连通块节点数大于2,且权值大于给定的k,称这是一个gang,拥有关系权值和最多的人是gang的头. 要求输出gang的数量,每个gang的头,每个gang的人数.按照gang的头的字典…