HDU1272---（并查集）简单应用

【HDU1272---（并查集）简单应用】的更多相关文章

hdu1272并查集入门

小希的迷宫 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 41540 Accepted Submission(s): 12811 Problem Description 上次Gardon的迷宫城堡小希玩了很久(见Problem B),现在她也想设计一个迷宫让Gardon来走.但是她设计迷宫的思路不一样,首先她认为所有的通道都应该是…

HDU 1213 How Many Tables(并查集,简单)

题解:1 2,2 3,4 5,是朋友,所以可以坐一起,求最小的桌子数,那就是2个,因为1 2 3坐一桌,4 5坐一桌.简单的并查集应用,但注意题意是从1到n的,所以要减1. 代码: #include <map> #include <set> #include <list> #include <cmath> #include <queue> #include <stack> #include <vector> #includ…

POJ2236 Wireless Network 并查集简单应用

Description An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, but an unexpected aftershock attacked, all computers in the network were all broken. The computers…

poj1611（并查集简单应用）

题目链接:http://poj.org/problem?id=1611 思路: 显然是一个并查集的题,很简单,只要将一个group中的学生并在一起,最后遍历1到n-1,看有多少学生的祖先与0的祖先相等即可. 代码如下: #include<cstdio> using namespace std; ]; int getr(int k){ if(root[k]==k) return k; else return root[k]=getr(root[k]); } int main(){ while(~…

poj 1417(并查集+简单dp)

True Liars Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 2087 Accepted: 640 Description After having drifted about in a small boat for a couple of days, Akira Crusoe Maeda was finally cast ashore on a foggy island. Though he was exha…