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随便写一个裸的倍增法模板 #include <cstdio> #include <iostream> #include <algorithm> #include <vector> using namespace std; vector<int> ve[100005]; int dep[100005]; int f[100005][21...

A network administrator manages a large network. The network consists of N computers and M links between pairs of computers. Any pair of computers are connected directly or indirectly by successive li...