Marriage Match II http://acm.hdu.edu.cn/showproblem.php?pid=3081 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5420    Accepted Submission(s): 1739 Problem Description Presumably, you all have…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3081 题意: n个女生与n个男生配对,每个女生只能配对某些男生,有些女生相互是朋友,每个女生也可以跟她朋友能配对的男生配对. 每次配对,每个女生都要跟不同的男生配对且每个女生都能配到对.问最多能配对几轮. 思路: 这道题乍看之下好像是二分匹配,但仔细一想是不太一样的.考虑用网络流做,首先女生可以与她朋友能配对的男生配对,这样需要用并查集保存他们可以配对的关系,这一点应该不难想到.接下来就是建图了,每…

题意:N个boy和N个girl,每个女孩可以和与自己交友集合中的男生配对子;如果两个女孩是朋友,则她们可以和对方交友集合中的男生配对子;如果女生a和女生b是朋友,b和c是朋友,则a和c也是朋友.每一轮配对结束后(每个人都找到自己的对象),在开始新的一轮配对.求最大能进行多少轮完整的游戏. 分析:用最大流解决该问题,若假设能进行k轮游戏,则由源点向每个女生建一条容量为k的边,每个男生也向汇点建一条容量为k的边,对于每个女生,向其能够配对的男生连一条容量为1的边.最后跑出最大流若为n*k则表示游戏能…

Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5469    Accepted Submission(s): 1756 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3081 Description: Presumably, you all have k…

Marriage Match II 题意:有n个男生,n个女生,现在有 f 条男生女生是朋友的关系, 现在有 m 条女生女生是朋友的关系, 朋友的朋友是朋友,现在进行 k 轮游戏,每轮游戏都要男生和女生配对,每轮配对过的人在接下来中都不能配对,求这个k最大是多少. 题解:二分 + 网络流check . 代码: #include<bits/stdc++.h> using namespace std; #define Fopen freopen("_in.txt","…

Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3558    Accepted Submission(s): 1158 Problem Description Presumably, you all have known the question of stable marriage match. A…

HDU 3081 Marriage Match II (网络流,最大流,二分,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as…

HDU 3081 Marriage Match II (二分图,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as so many…

题目链接:https://vjudge.net/problem/HDU-3081 Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4493    Accepted Submission(s): 1488 Problem Description Presumably, you all have known…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2410    Accepted Submission(s): 820 Problem Description Presumably, y…