1021. Deepest Root (25) 时间限制 1500 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the root t…
1013. Battle Over Cities (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that cit…
本文同步发布在CSDN:https://blog.csdn.net/weixin_44385565/article/details/90409731 1107 Social Clusters (30 分) When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A …
此文章同步发布在我的CSDN上https://blog.csdn.net/weixin_44385565/article/details/89930332 1114 Family Property (25 分) This time, you are supposed to help us collect the data for family-owned property. Given each person's family members, and the estate(房产)info un…