source: lemon-0.x/src/work/athos/pf_demo.cc @ 1360:4338e4280f67

#include <iostream>
#include <vector>
#include <string>

#include "list_graph.h"
//#include "marci_graph_traits.hh"
//#include "marci_property_vector.hh"
#include "preflow_push.hh"

using namespace lemon;


int main (int, char*[])
{

  typedef ListGraph::Node Node;
  typedef ListGraph::Edge Edge;

  ListGraph graph;

  /*
  //Marci példája


  NodeIt s=graph.addNode();
  NodeIt v1=graph.addNode();
  NodeIt v2=graph.addNode();
  NodeIt v3=graph.addNode();
  NodeIt v4=graph.addNode();
  NodeIt t=graph.addNode();
  

  EdgeIt s_v1=graph.addEdge(s, v1);
  EdgeIt s_v2=graph.addEdge(s, v2);
  EdgeIt v1_v2=graph.addEdge(v1, v2);
  EdgeIt v2_v1=graph.addEdge(v2, v1);
  EdgeIt v1_v3=graph.addEdge(v1, v3);
  EdgeIt v3_v2=graph.addEdge(v3, v2);
  EdgeIt v2_v4=graph.addEdge(v2, v4);
  EdgeIt v4_v3=graph.addEdge(v4, v3);
  EdgeIt v3_t=graph.addEdge(v3, t);
  EdgeIt v4_t=graph.addEdge(v4, t);

  ListGraph::EdgeMap<int> length(graph);

  length.set(s_v1, 16);
  length.set(s_v2, 13);
  length.set(v1_v2, 10);
  length.set(v2_v1, 4);
  length.set(v1_v3, 12);
  length.set(v3_v2, 9);
  length.set(v2_v4, 14);
  length.set(v4_v3, 7);
  length.set(v3_t, 20);
  length.set(v4_t, 4);
  */


  //Ahuja könyv példája

  Node s=graph.addNode();
  Node v2=graph.addNode();
  Node v3=graph.addNode();
  Node v4=graph.addNode();
  Node v5=graph.addNode();
  Node t=graph.addNode();

  Edge s_v2=graph.addEdge(s, v2);
  Edge s_v3=graph.addEdge(s, v3);
  Edge v2_v4=graph.addEdge(v2, v4);
  Edge v2_v5=graph.addEdge(v2, v5);
  Edge v3_v5=graph.addEdge(v3, v5);
  Edge v4_t=graph.addEdge(v4, t);
  Edge v5_t=graph.addEdge(v5, t);
  
  //Kis modositas
  //edge_iterator v2_s=graph.add_edge(v2, s);

  ListGraph::EdgeMap<int> length(graph);

  length.set(s_v2, 10);
  length.set(s_v3, 10);
  length.set(v2_v4, 5);
  length.set(v2_v5, 8);
  length.set(v3_v5, 5);
  length.set(v4_t, 8);
  length.set(v5_t, 8);

  //Kis modositas
  //length.put(v2_s, 100);



  std::cout << "preflow-push algorithm test..." << std::endl;

  
  preflow_push<ListGraph, int> preflow_push_test(graph, s, t, length);
  cout << preflow_push_test.run()<<endl;

  //cap.put(v5_t, 9);
  //cout << preflow_push_test.run()<<endl;

  return 0;
}