Asteroids(二分图最大匹配模板题)

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Asteroids(二分图最大匹配模板题)

Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12323 Accepted: 6716 Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids (1…

【HDU 2063】过山车（二分图最大匹配模板题）

题面 RPG girls今天和大家一起去游乐场玩,终于可以坐上梦寐以求的过山车了.可是,过山车的每一排只有两个座位,而且还有条不成文的规矩,就是每个女生必须找个个男生做partner和她同坐.但是,每个女孩都有各自的想法,举个例子把,Rabbit只愿意和XHD或PQK做partner,Grass只愿意和linle或LL做partner,PrincessSnow愿意和水域浪子或伪酷儿做partner.考虑到经费问题,boss刘决定只让找到partner的人去坐过山车,其他的人,嘿嘿,就站在下面看着…

HDU - 1054 Strategic Game （二分图匹配模板题）

二分图匹配模板题 #include <bits/stdc++.h> #define FOPI freopen("in.txt", "r", stdin); #define FOPO freopen("out.txt", "w", stdout); using namespace std; typedef long long LL; + ; int n, k, x, y; int link[maxn], vis[ma…

二分图最大匹配模板【匈牙利；Dinic最大流】

二分图最大匹配模板[匈牙利:Dinic最大流] 匈牙利算法 int n,m; vector<int> map[100010]; int match[100010];//保存匹配的互相点 bool vis[100010]; bool dfs(int u) { for(int j=0;j<map[u].size();j++) { int v=map[u][j]; if(!vis[v]) { vis[v]=true; if(!match[v]||dfs(match[v])) { match[v…

POJ 3041 Asteroids(二分图模板题)

Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids (1 <= K <= 10,000), which are conveniently located at the lattice points of the grid. Fortun…

hdu1083二分图匹配模板题

onsider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it is possible to form a committee of exactly P students that satisfies simultaneously the conditions: . every stud…