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]…

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…

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4479    Accepted Submission(s): 1942 Problem Description Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1198 dfs: #include<cstdio>//hdu1198 dfs #include<cstring> ][] = { {,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,},{,,,,}}; ][] = {,,,,,,,,,}, mov[][] = {,,-,,,,,-}; ][],id[][…

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 marked…

Farm Irrigation Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 6   Accepted Submission(s) : 3 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Benny has a spacious fa…

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…

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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) : 46   Accepted Submission(s) : 26 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Benny has a spacious…