POJ3921 && HDU 2485 Destroying the bus stations(最大流 or 费用流)
一道神奇的图论题,给出一个含n个点(n
#include
#include
#include
#include
#include
usingnamespacestd;
constintmaxn=200;
constintINF=1e9;
structEdge
{
intfrom,to,cap,flow,cost;
};
intn,m,k,s,t,flow,cost;
vectoredges