SOUIC的博客

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-Spreading-Y

An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, but an unexpected aftershock attacked, all computers in the network were all broken. The computers are repaired one b

朋友（并查集） 题目描述 有一个城镇，住着n个市民。已知一些人互相为朋友。引用一个名人的话说，朋友的朋友也是朋友。意思是说如果A和B是朋友，C和B是朋友，则A和C是朋友.你的任务是数出最大朋友组的人数。 输入 输入第一行由N，M组成，N是市民的个数（1<=n<=30000），m是朋友对的个数（0<=m<=500000）。下面的m行每一行由两个数A和B组成(1<=A,B<=N，A<>B)表示A和B是朋友。注意给的朋友对可能会有重复。 输出 输出仅有一