src/work/athos/pf_demo.cc
changeset 875 fda944f15ca7
parent 201 b9158a014fe8
child 921 818510fa3d99
equal deleted inserted replaced
3:dea3093d5bd0 4:b749794d83bc
     1 #include <iostream>
     1 #include <iostream>
     2 #include <vector>
     2 #include <vector>
     3 #include <string>
     3 #include <string>
     4 
     4 
     5 #include "list_graph.hh"
     5 #include "list_graph.h"
     6 #include "marci_graph_traits.hh"
     6 //#include "marci_graph_traits.hh"
     7 //#include "marci_property_vector.hh"
     7 //#include "marci_property_vector.hh"
     8 #include "preflow_push.hh"
     8 #include "preflow_push.hh"
     9 
     9 
    10 using namespace hugo;
    10 using namespace hugo;
    11 
    11 
    12 
    12 
    13 int main (int, char*[])
    13 int main (int, char*[])
    14 {
    14 {
    15 
    15 
    16   
    16   typedef ListGraph::Node Node;
    17   typedef ListGraph::NodeIt NodeIt;
    17   typedef ListGraph::Edge Edge;
    18   typedef ListGraph::EdgeIt EdgeIt;
    18 
    19   /*
    19   ListGraph graph;
    20   typedef ListGraph::EachNodeIt EachNodeIt;
       
    21   typedef ListGraph::EachEdgeIt EachEdgeIt;
       
    22   typedef ListGraph::OutEdgeIt OutEdgeIt;
       
    23   typedef ListGraph::InEdgeIt InEdgeIt;
       
    24   typedef ListGraph::SymEdgeIt SymEdgeIt;
       
    25   */
       
    26   ListGraph flowG;
       
    27 
    20 
    28   /*
    21   /*
    29   //Marci példája
    22   //Marci példája
    30 
    23 
    31 
    24 
    32   NodeIt s=flowG.addNode();
    25   NodeIt s=graph.addNode();
    33   NodeIt v1=flowG.addNode();
    26   NodeIt v1=graph.addNode();
    34   NodeIt v2=flowG.addNode();
    27   NodeIt v2=graph.addNode();
    35   NodeIt v3=flowG.addNode();
    28   NodeIt v3=graph.addNode();
    36   NodeIt v4=flowG.addNode();
    29   NodeIt v4=graph.addNode();
    37   NodeIt t=flowG.addNode();
    30   NodeIt t=graph.addNode();
    38   
    31   
    39 
    32 
    40   EdgeIt s_v1=flowG.addEdge(s, v1);
    33   EdgeIt s_v1=graph.addEdge(s, v1);
    41   EdgeIt s_v2=flowG.addEdge(s, v2);
    34   EdgeIt s_v2=graph.addEdge(s, v2);
    42   EdgeIt v1_v2=flowG.addEdge(v1, v2);
    35   EdgeIt v1_v2=graph.addEdge(v1, v2);
    43   EdgeIt v2_v1=flowG.addEdge(v2, v1);
    36   EdgeIt v2_v1=graph.addEdge(v2, v1);
    44   EdgeIt v1_v3=flowG.addEdge(v1, v3);
    37   EdgeIt v1_v3=graph.addEdge(v1, v3);
    45   EdgeIt v3_v2=flowG.addEdge(v3, v2);
    38   EdgeIt v3_v2=graph.addEdge(v3, v2);
    46   EdgeIt v2_v4=flowG.addEdge(v2, v4);
    39   EdgeIt v2_v4=graph.addEdge(v2, v4);
    47   EdgeIt v4_v3=flowG.addEdge(v4, v3);
    40   EdgeIt v4_v3=graph.addEdge(v4, v3);
    48   EdgeIt v3_t=flowG.addEdge(v3, t);
    41   EdgeIt v3_t=graph.addEdge(v3, t);
    49   EdgeIt v4_t=flowG.addEdge(v4, t);
    42   EdgeIt v4_t=graph.addEdge(v4, t);
    50 
    43 
    51   ListGraph::EdgeMap<int> cap(flowG);
    44   ListGraph::EdgeMap<int> length(graph);
    52 
    45 
    53   cap.set(s_v1, 16);
    46   length.set(s_v1, 16);
    54   cap.set(s_v2, 13);
    47   length.set(s_v2, 13);
    55   cap.set(v1_v2, 10);
    48   length.set(v1_v2, 10);
    56   cap.set(v2_v1, 4);
    49   length.set(v2_v1, 4);
    57   cap.set(v1_v3, 12);
    50   length.set(v1_v3, 12);
    58   cap.set(v3_v2, 9);
    51   length.set(v3_v2, 9);
    59   cap.set(v2_v4, 14);
    52   length.set(v2_v4, 14);
    60   cap.set(v4_v3, 7);
    53   length.set(v4_v3, 7);
    61   cap.set(v3_t, 20);
    54   length.set(v3_t, 20);
    62   cap.set(v4_t, 4);
    55   length.set(v4_t, 4);
    63   */
    56   */
    64 
    57 
    65 
    58 
    66   //Ahuja könyv példája
    59   //Ahuja könyv példája
    67 
    60 
    68   NodeIt s=flowG.addNode();
    61   Node s=graph.addNode();
    69   NodeIt v2=flowG.addNode();
    62   Node v2=graph.addNode();
    70   NodeIt v3=flowG.addNode();
    63   Node v3=graph.addNode();
    71   NodeIt v4=flowG.addNode();
    64   Node v4=graph.addNode();
    72   NodeIt v5=flowG.addNode();
    65   Node v5=graph.addNode();
    73   NodeIt t=flowG.addNode();
    66   Node t=graph.addNode();
    74 
    67 
    75   EdgeIt s_v2=flowG.addEdge(s, v2);
    68   Edge s_v2=graph.addEdge(s, v2);
    76   EdgeIt s_v3=flowG.addEdge(s, v3);
    69   Edge s_v3=graph.addEdge(s, v3);
    77   EdgeIt v2_v4=flowG.addEdge(v2, v4);
    70   Edge v2_v4=graph.addEdge(v2, v4);
    78   EdgeIt v2_v5=flowG.addEdge(v2, v5);
    71   Edge v2_v5=graph.addEdge(v2, v5);
    79   EdgeIt v3_v5=flowG.addEdge(v3, v5);
    72   Edge v3_v5=graph.addEdge(v3, v5);
    80   EdgeIt v4_t=flowG.addEdge(v4, t);
    73   Edge v4_t=graph.addEdge(v4, t);
    81   EdgeIt v5_t=flowG.addEdge(v5, t);
    74   Edge v5_t=graph.addEdge(v5, t);
    82   
    75   
    83   //Kis modositas
    76   //Kis modositas
    84   //edge_iterator v2_s=flowG.add_edge(v2, s);
    77   //edge_iterator v2_s=graph.add_edge(v2, s);
    85 
    78 
    86   ListGraph::EdgeMap<int> cap(flowG);
    79   ListGraph::EdgeMap<int> length(graph);
    87 
    80 
    88   cap.set(s_v2, 10);
    81   length.set(s_v2, 10);
    89   cap.set(s_v3, 10);
    82   length.set(s_v3, 10);
    90   cap.set(v2_v4, 5);
    83   length.set(v2_v4, 5);
    91   cap.set(v2_v5, 8);
    84   length.set(v2_v5, 8);
    92   cap.set(v3_v5, 5);
    85   length.set(v3_v5, 5);
    93   cap.set(v4_t, 8);
    86   length.set(v4_t, 8);
    94   cap.set(v5_t, 8);
    87   length.set(v5_t, 8);
    95 
    88 
    96   //Kis modositas
    89   //Kis modositas
    97   //cap.put(v2_s, 100);
    90   //length.put(v2_s, 100);
    98  
       
    99 
    91 
   100 
    92 
   101 
    93 
   102   /*Egyszerű példa
       
   103   NodeIt s=flow_test.add_node();
       
   104   NodeIt v1=flow_test.add_node();
       
   105   NodeIt v2=flow_test.add_node();
       
   106   NodeIt t=flow_test.add_node();
       
   107   
       
   108   node_property_vector<list_graph, std::string> node_name(flow_test);
       
   109   node_name.put(s, "s");
       
   110   node_name.put(v1, "v1");
       
   111   node_name.put(v2, "v2");
       
   112   node_name.put(t, "t");
       
   113 
       
   114   edge_iterator s_v1=flow_test.add_edge(s, v1);
       
   115   edge_iterator v1_v2=flow_test.add_edge(v1, v2);
       
   116   edge_iterator v2_t=flow_test.add_edge(v2, t);
       
   117 
       
   118   edge_property_vector<list_graph, int> cap(flow_test); 
       
   119     
       
   120   cap.put(s_v1, 16);
       
   121   cap.put(v1_v2, 10);
       
   122   cap.put(v2_t, 4);
       
   123   */
       
   124 
       
   125   std::cout << "preflow-push algorithm test..." << std::endl;
    94   std::cout << "preflow-push algorithm test..." << std::endl;
   126 
    95 
   127   /*
       
   128   std::cout << "on directed graph graph" << std::endl; //<< flow_test;
       
   129   std::cout << "names and capacity values" << std::endl; 
       
   130   for(EachNodeIt i=flow_test.first_node(); i.valid(); ++i) { 
       
   131     std::cout << node_name.get(i) << ": ";
       
   132     std::cout << "out edges: ";
       
   133     for(out_edge_iterator j=flow_test.first_out_edge(i); j.valid(); ++j) 
       
   134       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
       
   135     std::cout << "in edges: ";
       
   136     for(in_edge_iterator j=flow_test.first_in_edge(i); j.valid(); ++j) 
       
   137       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
       
   138     std::cout << std::endl;
       
   139   }
       
   140   */
       
   141   
    96   
   142   //for(each_NodeIt i=flow_test.first_node(); i.valid(); ++i) { 
    97   preflow_push<ListGraph, int> preflow_push_test(graph, s, t, length);
   143   //  std::cout << i << " ";
       
   144   //}
       
   145   
       
   146   preflow_push<ListGraph, int> preflow_push_test(flowG, s, t, cap);
       
   147   cout << preflow_push_test.run()<<endl;
    98   cout << preflow_push_test.run()<<endl;
   148 
    99 
   149   //cap.put(v5_t, 9);
   100   //cap.put(v5_t, 9);
   150   //cout << preflow_push_test.run()<<endl;
   101   //cout << preflow_push_test.run()<<endl;
   151 
   102 
   152   return 0;
   103   return 0;
   153 }
   104 }
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