A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N . No two places have the same number. The lines are bidirectional and always connect together two places…
Description A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N . No two places have the same number. The lines are bidirectional and always connect togethe…
解题关键:割点模板题. #include<cstdio> #include<cstring> #include<vector> #include<stack> using namespace std; #define N 1010 int n,m,ans,pd,son,cut[N],low[N],dfn[N]; stack<int>s; ; struct Edge{ int nxt; int to; int w; }e[maxn]; int he…