Description 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 t…
The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 20596 Accepted: 9998 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003.…
The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 24134 Accepted: 11787 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…
Description 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 t…
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-Spread…
本题也是个标准的并查集题解. 操作完并查集之后,就是要找和0节点在同一个集合的元素有多少. 注意这个操作,须要先找到0的父母节点.然后查找有多少个节点的额父母节点和0的父母节点同样. 这个时候须要对每一个节点使用find parent操作.由于最后状态的时候,节点的parent不一定是本集合的根节点. #include <stdio.h> const int MAX_N = 30001; struct SubSet { int p, rank; }sub[MAX_N]; int N, M; v…
题目链接:http://poj.org/problem?id=2588 Snakes Time Limit: 1000MS Memory Limit: 65536K Description Buffalo Bill wishes to cross a 1000x1000 square field. A number of snakes are on the field at various positions, and each snake can strike a particular…
The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 37090 Accepted: 17980 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…