Balancing Act Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10311   Accepted: 4261 Description Consider a tree T with N (1 <= N <= 20,000) nodes numbered

1378 夹克老爷的愤怒 基准时间限制：1 秒 空间限制：131072 KB 分值: 80 难度：5级算法题  收藏  取消关注 夹克老爷逢三抽一之后，由于采用了新师爷的策略，乡民们叫苦不堪，开始组织起来暴力抗租。 夹克老爷很愤怒，他决定派家丁常驻村中进行镇压。 诺德县 有N个村庄，编号0 至 N-1，这些村庄之间用N - 1条道路连接起来。

945. Emiya 时间限制 5000 ms 内存限制 65536 KB 题目描述 There are N Assassin in a town. Each of them hides in a building and there aren't no two paths between any two of Assasin (You could think the

E. Famil Door and Roads time limit per test 5 seconds memory limit per test 512 megabytes input standard input output standard output Famil Door’s City map looks like a