题目描述 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-…
题目描述 In computer science, a binary tree is a tree data structure in which each node has at most two children. Consider an infinite full binary tree (each node has two children except the leaf nodes) defined as follows. For a node labelled v its left…
题目描述 P 的一家要出去旅游,买了当地的地图,发现各地分别由各个景点,若 P 想使家人分队去景点,尽快到达各个景点(必须所有景点),并且最终所有家人都到达 M 所在的景点. 你用程序告诉 P 最少需要多少天才能完成这次旅游.假设 P 的家人足够多,各分队速度一样. 输入 首先是一个正整数T,接下来是T组测试数据,每组数据第一行是两个整数n,m(2=<n<=1000,1=<m<=10000),分别表示景点数量和总边数,山寨编号0,1,2,3…n-1接下来m行,每行三个整数i,j…