畅通工程 Problem Description 某省调查城镇交通状况,得到现有城镇道路统计表,表中列出了每条道路直接连通的城镇.省政府"畅通工程"的目标是使全省任何两个城镇间都可以实现交通(但不一定有直接的道路相连,只要互相间接通过道路可达即可).问最少还需要建设多少条道路?    Input 测试输入包含若干测试用例.每个测试用例的第1行给出两个正整数,分别是城镇数目N ( < 1000 )和道路数目M:随后的M行对应M条道路,每行给出一对正整数,分别是该条道路直接连通的两个…

转载请注明出处:viewmode=contents">http://blog.csdn.net/u012860063?viewmode=contents 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1198 ----------------------------------------------------------------------------------------------------------------------…

Farm Irrigation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11188    Accepted Submission(s): 4876 Problem Description Benny has a spacious farm land to irrigate. The farm land is a rectangle…

题意: Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these squares. Different square has a different type of pipe. There are 11 types of pipes, which is ma…

Farm Irrigation Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 38   Accepted Submission(s) : 24 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Benny has a spacious…

题目网址:http://acm.hdu.edu.cn/showproblem.php?pid=1198 题目: Farm Irrigation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10132    Accepted Submission(s): 4464 Problem Description Benny has a spac…

Farm Irrigation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4977    Accepted Submission(s): 2137 Problem Description Benny has a spacious farm land to irrigate. The farm land is a rectangle…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1198 简单并查集 分别合并竖直方向和水平方向即可 代码: #include<iostream> #include<cstdlib> #include<cstdio> #include<cstring> #define maxn 110 using namespace std; int parent[maxn*maxn]; char map[maxn][maxn]…

Farm Irrigation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6590    Accepted Submission(s): 2838 Problem Description Benny has a spacious farm land to irrigate. The farm land is a rectangle…

令人蛋疼的并查集…… 我居然做了大量的枚举,居然过了,我越来越佩服自己了 这个题有些像一个叫做“水管工”的游戏.给你一个m*n的图,每个单位可以有11种选择,然后相邻两个图只有都和对方连接,才判断他们连接.然后找这里面有多少个连通图. 给大家一个一点也不高大上,但是一眼就能看懂的代码吧…… #include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using name…