using namespace lemon;

 using namespace lemon;

 int main(int, char **) {

 int main(int, char **) {

   typedef ListGraph MutableGraph;

   typedef ListGraph MutableGraph;

   typedef Graph::Node Node;

   typedef Graph::Node Node;

   typedef Graph::Edge Edge;

   typedef Graph::Edge Edge;

   typedef Graph::EdgeIt EdgeIt;

   typedef Graph::EdgeIt EdgeIt;

   Graph g;

   Graph g;

   typedef ConstMap<Edge, int> LCap;

   typedef ConstMap<Edge, int> LCap;

   LCap lcap(0);

   LCap lcap(0);

   MinCostGenFlow<Graph, int, Excess, LCap> 

   MinCostGenFlow<Graph, int, Excess, LCap> 

     min_cost(g, excess, lcap, cap, flow, cost); 

     min_cost(g, excess, lcap, cap, flow, cost); 

   min_cost.run();

   min_cost.run();

   std::cout << "elapsed time: " << ts << std::endl;

   std::cout << "elapsed time: " << ts << std::endl;

   std::cout << "flow value: "<< flow[e] << std::endl;

   std::cout << "flow value: "<< flow[e] << std::endl;

 }

 }