src/work/athos/pf_demo.cc
author alpar
Sat, 08 Jan 2005 20:16:56 +0000
changeset 1062 8226427845bc
parent 331 f5461f8bc59b
permissions -rw-r--r--
- Parallel edge support (without arrowheads)
- Texts on the nodes
     1 #include <iostream>
     2 #include <vector>
     3 #include <string>
     4 
     5 #include "list_graph.h"
     6 //#include "marci_graph_traits.hh"
     7 //#include "marci_property_vector.hh"
     8 #include "preflow_push.hh"
     9 
    10 using namespace lemon;
    11 
    12 
    13 int main (int, char*[])
    14 {
    15 
    16   typedef ListGraph::Node Node;
    17   typedef ListGraph::Edge Edge;
    18 
    19   ListGraph graph;
    20 
    21   /*
    22   //Marci példája
    23 
    24 
    25   NodeIt s=graph.addNode();
    26   NodeIt v1=graph.addNode();
    27   NodeIt v2=graph.addNode();
    28   NodeIt v3=graph.addNode();
    29   NodeIt v4=graph.addNode();
    30   NodeIt t=graph.addNode();
    31   
    32 
    33   EdgeIt s_v1=graph.addEdge(s, v1);
    34   EdgeIt s_v2=graph.addEdge(s, v2);
    35   EdgeIt v1_v2=graph.addEdge(v1, v2);
    36   EdgeIt v2_v1=graph.addEdge(v2, v1);
    37   EdgeIt v1_v3=graph.addEdge(v1, v3);
    38   EdgeIt v3_v2=graph.addEdge(v3, v2);
    39   EdgeIt v2_v4=graph.addEdge(v2, v4);
    40   EdgeIt v4_v3=graph.addEdge(v4, v3);
    41   EdgeIt v3_t=graph.addEdge(v3, t);
    42   EdgeIt v4_t=graph.addEdge(v4, t);
    43 
    44   ListGraph::EdgeMap<int> length(graph);
    45 
    46   length.set(s_v1, 16);
    47   length.set(s_v2, 13);
    48   length.set(v1_v2, 10);
    49   length.set(v2_v1, 4);
    50   length.set(v1_v3, 12);
    51   length.set(v3_v2, 9);
    52   length.set(v2_v4, 14);
    53   length.set(v4_v3, 7);
    54   length.set(v3_t, 20);
    55   length.set(v4_t, 4);
    56   */
    57 
    58 
    59   //Ahuja könyv példája
    60 
    61   Node s=graph.addNode();
    62   Node v2=graph.addNode();
    63   Node v3=graph.addNode();
    64   Node v4=graph.addNode();
    65   Node v5=graph.addNode();
    66   Node t=graph.addNode();
    67 
    68   Edge s_v2=graph.addEdge(s, v2);
    69   Edge s_v3=graph.addEdge(s, v3);
    70   Edge v2_v4=graph.addEdge(v2, v4);
    71   Edge v2_v5=graph.addEdge(v2, v5);
    72   Edge v3_v5=graph.addEdge(v3, v5);
    73   Edge v4_t=graph.addEdge(v4, t);
    74   Edge v5_t=graph.addEdge(v5, t);
    75   
    76   //Kis modositas
    77   //edge_iterator v2_s=graph.add_edge(v2, s);
    78 
    79   ListGraph::EdgeMap<int> length(graph);
    80 
    81   length.set(s_v2, 10);
    82   length.set(s_v3, 10);
    83   length.set(v2_v4, 5);
    84   length.set(v2_v5, 8);
    85   length.set(v3_v5, 5);
    86   length.set(v4_t, 8);
    87   length.set(v5_t, 8);
    88 
    89   //Kis modositas
    90   //length.put(v2_s, 100);
    91 
    92 
    93 
    94   std::cout << "preflow-push algorithm test..." << std::endl;
    95 
    96   
    97   preflow_push<ListGraph, int> preflow_push_test(graph, s, t, length);
    98   cout << preflow_push_test.run()<<endl;
    99 
   100   //cap.put(v5_t, 9);
   101   //cout << preflow_push_test.run()<<endl;
   102 
   103   return 0;
   104 }