pollution

Most people think of air pollution as something that comes from factories or motor vehicles. However, did you know that the air inside your home or pl ......

start of namp it's bannber tells us it's apache also running debian and more importatntly we get a php session cookie id back so chances are this is g ......

一、题目描述： n 个点，m 条边，带边权。起点为 1，终点为 n。 求最小割以及在最小割的情况下的最少割的边数。 2<=n<=32,1<=m<=1e3。 二、解题思路： 第一问很好求解，直接最大流即可。 第二问想不出来，看了题解把我震惊了！ 设边 i 原本的边权为 w[i]，现在我们令新边权 v[ ......