src/work/athos/pf_demo.cc
changeset 37 e0e41f9e2be5
child 77 69b2d279c8f0
equal deleted inserted replaced
-1:000000000000 0:fac568bf4939
       
     1 #include <iostream>
       
     2 #include <vector>
       
     3 #include <string>
       
     4 
       
     5 #include "marci_list_graph.hh"
       
     6 #include "marci_graph_traits.hh"
       
     7 #include "marci_property_vector.hh"
       
     8 #include "preflow_push.hh"
       
     9 
       
    10 using namespace marci;
       
    11 
       
    12 
       
    13 int main (int, char*[])
       
    14 {
       
    15   typedef graph_traits<list_graph>::node_iterator node_iterator;
       
    16   typedef graph_traits<list_graph>::edge_iterator edge_iterator;
       
    17   typedef graph_traits<list_graph>::each_node_iterator each_node_iterator;
       
    18   typedef graph_traits<list_graph>::each_edge_iterator each_edge_iterator;
       
    19   typedef graph_traits<list_graph>::out_edge_iterator out_edge_iterator;
       
    20   typedef graph_traits<list_graph>::in_edge_iterator in_edge_iterator;
       
    21   typedef graph_traits<list_graph>::sym_edge_iterator sym_edge_iterator;
       
    22 
       
    23   list_graph flow_test;
       
    24  
       
    25   
       
    26   //Ahuja könyv példája
       
    27   node_iterator s=flow_test.add_node();
       
    28   node_iterator v2=flow_test.add_node();
       
    29   node_iterator v3=flow_test.add_node();
       
    30   node_iterator v4=flow_test.add_node();
       
    31   node_iterator v5=flow_test.add_node();
       
    32   node_iterator t=flow_test.add_node();
       
    33   
       
    34   node_property_vector<list_graph, std::string> node_name(flow_test);
       
    35   node_name.put(s, "s");  
       
    36   node_name.put(v2, "v2");
       
    37   node_name.put(v3, "v3");
       
    38   node_name.put(v4, "v4");
       
    39   node_name.put(v5, "v5");
       
    40   node_name.put(t, "t");
       
    41 
       
    42   
       
    43   edge_iterator s_v2=flow_test.add_edge(s, v2);
       
    44   edge_iterator s_v3=flow_test.add_edge(s, v3);
       
    45   
       
    46   edge_iterator v2_v4=flow_test.add_edge(v2, v4);
       
    47   edge_iterator v2_v5=flow_test.add_edge(v2, v5);
       
    48 
       
    49   edge_iterator v3_v5=flow_test.add_edge(v3, v5);
       
    50 
       
    51   edge_iterator v4_t=flow_test.add_edge(v4, t);
       
    52   edge_iterator v5_t=flow_test.add_edge(v5, t);
       
    53   
       
    54   //Kis modositas
       
    55   edge_iterator v2_s=flow_test.add_edge(v2, s);
       
    56 
       
    57   edge_property_vector<list_graph, int> cap(flow_test);  
       
    58   cap.put(s_v2, 10);
       
    59   cap.put(s_v3, 10);
       
    60   cap.put(v2_v4, 5);
       
    61   cap.put(v2_v5, 8);
       
    62   cap.put(v3_v5, 5);
       
    63   cap.put(v4_t, 8);
       
    64   cap.put(v5_t, 8);
       
    65 
       
    66   //Kis modositas
       
    67   cap.put(v2_s, 100);
       
    68 
       
    69   //Kis modositas
       
    70   //edge_iterator t_s=flow_test.add_edge(t, s);
       
    71   //cap.put(t_s, 20);
       
    72 
       
    73   
       
    74   /*
       
    75   //Marci példája
       
    76   node_iterator s=flow_test.add_node();
       
    77   node_iterator v1=flow_test.add_node();
       
    78   node_iterator v2=flow_test.add_node();
       
    79   node_iterator v3=flow_test.add_node();
       
    80   node_iterator v4=flow_test.add_node();
       
    81   node_iterator t=flow_test.add_node();
       
    82   
       
    83   node_property_vector<list_graph, std::string> node_name(flow_test);
       
    84   node_name.put(s, "s");
       
    85   node_name.put(v1, "v1");
       
    86   node_name.put(v2, "v2");
       
    87   node_name.put(v3, "v3");
       
    88   node_name.put(v4, "v4");
       
    89   node_name.put(t, "t");
       
    90 
       
    91   edge_iterator s_v1=flow_test.add_edge(s, v1);
       
    92   edge_iterator s_v2=flow_test.add_edge(s, v2);
       
    93   edge_iterator v1_v2=flow_test.add_edge(v1, v2);
       
    94   edge_iterator v2_v1=flow_test.add_edge(v2, v1);
       
    95   edge_iterator v1_v3=flow_test.add_edge(v1, v3);
       
    96   edge_iterator v3_v2=flow_test.add_edge(v3, v2);
       
    97   edge_iterator v2_v4=flow_test.add_edge(v2, v4);
       
    98   edge_iterator v4_v3=flow_test.add_edge(v4, v3);
       
    99   edge_iterator v3_t=flow_test.add_edge(v3, t);
       
   100   edge_iterator v4_t=flow_test.add_edge(v4, t);
       
   101   
       
   102   edge_property_vector<list_graph, int> cap(flow_test);  
       
   103   cap.put(s_v1, 16);
       
   104   cap.put(s_v2, 13);
       
   105   cap.put(v1_v2, 10);
       
   106   cap.put(v2_v1, 4);
       
   107   cap.put(v1_v3, 12);
       
   108   cap.put(v3_v2, 9);
       
   109   cap.put(v2_v4, 14);
       
   110   cap.put(v4_v3, 7);
       
   111   cap.put(v3_t, 20);
       
   112   cap.put(v4_t, 4);
       
   113   */ 
       
   114   /*Egyszerű példa
       
   115   node_iterator s=flow_test.add_node();
       
   116   node_iterator v1=flow_test.add_node();
       
   117   node_iterator v2=flow_test.add_node();
       
   118   node_iterator t=flow_test.add_node();
       
   119   
       
   120   node_property_vector<list_graph, std::string> node_name(flow_test);
       
   121   node_name.put(s, "s");
       
   122   node_name.put(v1, "v1");
       
   123   node_name.put(v2, "v2");
       
   124   node_name.put(t, "t");
       
   125 
       
   126   edge_iterator s_v1=flow_test.add_edge(s, v1);
       
   127   edge_iterator v1_v2=flow_test.add_edge(v1, v2);
       
   128   edge_iterator v2_t=flow_test.add_edge(v2, t);
       
   129 
       
   130   edge_property_vector<list_graph, int> cap(flow_test); 
       
   131     
       
   132   cap.put(s_v1, 16);
       
   133   cap.put(v1_v2, 10);
       
   134   cap.put(v2_t, 4);
       
   135   */
       
   136 
       
   137   std::cout << "preflow-push algorithm test..." << std::endl;
       
   138   std::cout << "on directed graph graph" << std::endl; //<< flow_test;
       
   139   std::cout << "names and capacity values" << std::endl; 
       
   140   for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) { 
       
   141     std::cout << node_name.get(i) << ": ";
       
   142     std::cout << "out edges: ";
       
   143     for(out_edge_iterator j=flow_test.first_out_edge(i); j.valid(); ++j) 
       
   144       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
       
   145     std::cout << "in edges: ";
       
   146     for(in_edge_iterator j=flow_test.first_in_edge(i); j.valid(); ++j) 
       
   147       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
       
   148     std::cout << std::endl;
       
   149   }
       
   150 
       
   151   
       
   152   //for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) { 
       
   153   //  std::cout << i << " ";
       
   154   //}
       
   155   
       
   156   preflow_push<list_graph, int> preflow_push_test(flow_test, s, t, cap);
       
   157   cout << preflow_push_test.run()<<endl;
       
   158 
       
   159   //cap.put(v5_t, 9);
       
   160   //cout << preflow_push_test.run()<<endl;
       
   161 
       
   162   return 0;
       
   163 }
       
   164 
       
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