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…

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…

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…

Source: PAT (Advanced Level) Practice Reference: [1]胡凡,曾磊.算法笔记[M].机械工业出版社.2016.7 Outline: 基础数据结构: 线性表:栈,队列,链表,顺序表 树:二叉树的建立,二叉树的遍历,完全二叉树,二叉查找树,平衡二叉树,堆,哈夫曼树 图:图的存储和遍历 经典高级算法: 深度优先搜索,广度优点搜索,回溯剪枝 贪心,并查集,哈希映射 最短路径(只考察过单源),拓扑排序(18年9月第一次涉及相关概念,未正式考过),关键路径(未…

用并查集分割团伙,判断输出~ #include<bits/stdc++.h> using namespace std; ; },weight[maxn]; unordered_map<string,int> pos1; unordered_map<int,string> pos2; unordered_map<string,int> ans; struct node { string id; ; ; }Node[maxn]; struct gang { st…

1034 Head of a Gang (30 分) 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 Aand B, we say that A and B is related. The weight of a relation is defined to be the total time length of…

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…

给出n和k接下来n行,每行给出a,b,c,表示a和b之间的关系度,表明他们属于同一个帮派一个帮派由>2个人组成,且总关系度必须大于k.帮派的头目为帮派里关系度最高的人.(注意,这里关系度是看帮派里边的和,而不是帮派里所有个人的总和.如果是按个人算的话,相当于一条边加了两次,所以应该是>2*k)问你有多少个合格帮派,以及每个帮派里最大的头目是谁,按字典序输出 先并查集一下,然后统计每个帮的成员数.总关系度.以及头目 #include <iostream> #include <c…

题目链接:http://ac.jobdu.com/problem.php?pid=1446 详解链接:https://github.com/zpfbuaa/JobduInCPlusPlus 参考代码: // // 1446 Head of a Gang.cpp // Jobdu // // Created by PengFei_Zheng on 17/04/2017. // Copyright © 2017 PengFei_Zheng. All rights reserved. // #incl…

1034 Head of a Gang (30)(30 分) 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 lengt…

[题目大意] 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? [思路] 水………NOIP的小孩都不屑于玩…… 把i拆成i和i+n,其中i表示i的朋友,i+n表示i的敌人.对于(i,j): (1)i,j是朋友,那么合并i和j. (2)i,j不是朋友,那么合并i和j+…

PAT甲级1034. Head of a Gang 题意: 警方找到一个帮派的头的一种方式是检查人民的电话.如果A和B之间有电话,我们说A和B是相关的.关系的权重被定义为两人之间所有电话的总时间长度. "帮派"是超过2人的群体,彼此相关,总关系权重大于给定的阈值K.在每个帮派中,最大总重量的人是头.现在给了一个电话列表,你应该找到帮派和头. 输入规格: 每个输入文件包含一个测试用例. 对于每种情况,第一行分别包含两个正数N和K(均小于或等于1000),电话号码和权重.然后N行遵循以下格…

在 1994 年,由 Erich Gamma.Richard Helm.Ralph Johnson 和 John Vlissides 四人合著出版了一本名为 Design Patterns - Elements of Reusable Object-Oriented Software(中文译名:设计模式 - 可复用的面向对象软件元素) 的书,该书首次提到了软件开发中设计模式的概念. 四位作者合称 GOF(四人帮,全拼 Gang of Four).他们所提出的设计模式主要是基于以下的面向对象设计原…

dfs #include<bits/stdc++.h> using namespace std; ; int mp[N][N]; int weight[N]; int vis[N]; map<string,int>si; map<int,string>is; map<string,int>gang; int cnt;//进行转换 int solve(string x) { if(si.find(x)!=si.end()){ return si[x]; } e…

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.…

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.…

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 the total time length of all the phone calls…

1034. Head of a Gang (30) 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…

1034 Head of a Gang (30 分)   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…

G - Gang Up 思路: 每个点按时间拆点建边,然后跑最小费用流 一次走的人不能太多,假设每次走的人为k (k*k-(k-1)*(k-1))*d <= c+d k <= 24 代码: #pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize(4) #include<bits/stdc++.h> using namespace std; #define y1 y11 #define fi first…

1034 Head of a Gang (30 分) 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…