题目 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 mad…

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 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…

题目 Given a non-empty tree with root R, and with weight Wi assigned to each tree node Ti. The weight of a path from R to L is defined to be the sum of the weights of all the nodes along the path from R to any leaf node L. Now given any weighted tree,…

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…

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…

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…

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…

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…

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…