“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…

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…

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…

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…

城市交通线 Time Limit: 2000/1000ms (Java/Others) Problem Description: A国有n座城市,编号为1~n,这n个城市之间没有任何交通线路,所以不同城市的居民之间不能互通,所以A国的人打算为这n个城市建立k条交通线(两座城市之间可以有两条及以上的线路),交通线只能贯穿两座城市p, q(存在p=q的情况,不用考虑但会占用一条交通线), 建立交通线后两座城市的居民可以互通. 例如:建立1, 4后再建立4, 2,则1和2是互通的(1—>4—>2).…

Steal the Treasure Time Limit: 10000/6000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 775    Accepted Submission(s): 213 Problem Description The alliance of thieves decides to steal the treasure from country A.…

B - 叠叠乐 Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:30000KB     64bit IO Format:%lld & %llu Submit Status Description   Input   Output   Sample Input   Sample Output   Hint   Description Farmer John and Betsy are playing…

Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize transmission to others, the best strategy is to separate the suspects from others. In the Not-Sprea…

Ubiquitous Religions   Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 22389   Accepted: 11031 Description There are so many different religions in the world today that it is difficult to keep track of them all. You are interested in fin…