Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You have to notice that not all the friends know each other, and all the friends do not want to stay with strang…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1213 简单并查集,统计单独成树的数量. 代码: #include <stdio.h> #include <string.h> #include <math.h> #include <limits.h> #include <algorithm> #include <iostream> #include <ctype.h> #in…

题意:有编号为1到n的学生,然后有m组调查,每组调查中有a和b,表示该两个学生有同样的宗教信仰,问最多有多少种不同的宗教信仰 简单并查集 //#define LOCAL #include <iostream> #include <cstdio> #include <cstring> using namespace std; + ; int parent[maxn], n, m; int GetParent(int x) { return parent[x] == x ?…

The Suspects Time Limit: 1000MS   Memory Limit: 20000K Total Submissions: 32781   Accepted: 15902 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…

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…

“打老虎”的背后 Time Limit: 2000/1000ms (Java/Others) Problem Description: “习大大”自担任国家主席以来大力反腐倡廉,各地打击贪腐力度也逐步加强.中国的这种令外国人不解的“风情”到底是何缘由呢?其实中国人都知道,所有的腐败问题基本上都源自官场上的“潜规则”,那“潜规则”又是源自什么呢?在中国盛行一句古语,“无关系不成方圆”,说的是中国是一个人情社会,纽带关系很强.一个人跟另一个人可能存在沾亲带故的某种“关系”,而所有通过这种“关系”的传…

How Many Tables Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 31632 Accepted Submission(s): 15706 Problem Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner ti…

J - How Many Tables Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You…

How Many Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at…

How Many Tables 题目链接: http://acm.hust.edu.cn/vjudge/contest/123393#problem/C Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You have to notice that…