Marriage Match II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4021    Accepted Submission(s): 1309 Problem Description Presumably, you all have known the question of stable marriage match. A…

题意:有n个男生和n个女生,玩结婚游戏,由女生选择男生:女生可以选择不会和她吵架的男生以及不会和她闺蜜吵架的男生,闺蜜的闺蜜也是闺蜜.问你最多可以进行多少轮,每一轮每个女生只能选择一个之前她没选过的男生. 思路:显然最少进行0轮,最多进行n轮,所以我们可以对轮数进行二分:源点到女生连一条容量为轮数的边,女生到她可选择的男生之间连一条容量为1的边,男生到汇点同样连一条容量为轮数的边,然后跑最大流判断是否满流.找到最大的轮数.要注意的是,每次跑最大流的时候都要重新建图.至于闺蜜的问题用一个并查集就可…

题意:一共有N个城市,一些城市里有金矿,一些城市里有仓库,金矿和仓库都有一个容量,有M条边,每条边是双向的,有一个权值,求将所有金矿里的储量都运送到仓库中,所需要经过的道路中,使最大的权值最小 思路:增设一个超级源点和一个超级汇点,源点与每一个城市相连,容量为黄金数量,汇点与仓库相连,容量为仓库的容量,然后就是二分最小的最大相邻距离,跑最大流验证. #include<stdio.h> #include<string.h> const int N=410; const int inf…

Marriage Match III Time Limit: 10000/4000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2143    Accepted Submission(s): 646 Problem Description Presumably, you all have known the question of stable marriage match.…

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 pid=3081" target="_blank" style="">题目链接 题意:n个女孩n个男孩,每一个女孩能够和一些男孩配对.然后有些女孩是朋友.满足这个朋友圈里面的人,假设有一个能和某个男孩配对,其它就都能够,然后每轮要求每一个女孩匹配到一个男孩.且每轮匹配到的都不同,问最多能匹配几轮 思路:二分轮数k,然后建图为,源点连向女孩,男孩连向汇点容量都为k,然后女孩和男孩之间连边为.有关系的…

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…

1.HDU 1532 最大流入门,n个n条边,求第1点到第m点的最大流.只用EK做了一下. #include<bits/stdc++.h> using namespace std; #pragma comment(linker, "/STACK:102400000,102400000") #define F(i,a,b) for (int i=a;i<b;i++) #define FF(i,a,b) for (int i=a;i<=b;i++) #define…

/** 题目:Risk UVA - 12264 链接:https://vjudge.net/problem/UVA-12264 题意:给n个点的无权无向图(n<=100),每个点有一个非负数ai. 若ai==0则此点归敌方所有,若ai>0则此点归你且上面有ai个属于你的士兵. 保证至少有一个属于你的点与敌方的点相邻.你可以让你的每个士兵最多移动一次 ,每次可以待在原地或者去到相邻的属于你的领地,但每个点至少要留1各士兵, 使得最薄弱的关口尽量坚固.关口是指与敌方点相邻的点,薄弱与坚固分别指兵少…

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…