#include <iostream>

 #include <fstream>

 #include <list_graph.hh>

 #include <dimacs.hh>

 #include <edmonds_karp.hh>

 #include <time_measure.h>

 using namespace marci;

 // Use a DIMACS max flow file as stdin.

 // read_dimacs_demo < dimacs_max_flow_file

 int main(int, char **) {

   typedef ListGraph::NodeIt NodeIt;

   typedef ListGraph::EachEdgeIt EachEdgeIt;

   ListGraph G;

   NodeIt s, t;

   ListGraph::EdgeMap<int> cap(G);

   readDimacsMaxFlow(std::cin, G, s, t, cap);

   std::cout << "edmonds karp demo..." << std::endl;

   ListGraph::EdgeMap<int> flow(G); //0 flow

   double pre_time=currTime();

   MaxFlow<ListGraph, int, ListGraph::EdgeMap<int>, ListGraph::EdgeMap<int> > max_flow_test(G, s, t, flow, cap);

   max_flow_test.run();

   double post_time=currTime();

   //std::cout << "maximum flow: "<< std::endl;

   //for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) { 

   //  std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";

   //}

   //std::cout<<std::endl;

   std::cout << "elapsed time: " << post_time-pre_time << " sec"<< std::endl; 

   std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;

   return 0;

 }