Changeset 1641:77f6ab7ad66f in lemon0.x for demo/dijkstra_demo.cc
 Timestamp:
 08/18/05 00:07:35 (15 years ago)
 Branch:
 default
 Phase:
 public
 Convert:
 svn:c9d7d8f590d60310b91f818b3a526b0e/lemon/trunk@2154
 File:

 1 edited
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demo/dijkstra_demo.cc
r1636 r1641 23 23 /// facilities supplied by our implementation: for the detailed 24 24 /// documentation of the LEMON Dijkstra class read \ref lemon::Dijkstra "this". 25 /// 26 /// \include dijkstra_demo.cc 25 27 26 28 #include <iostream> … … 28 30 #include <lemon/list_graph.h> 29 31 #include <lemon/dijkstra.h> 30 //#include <lemon/graph_writer.h>31 32 32 33 using namespace lemon; … … 70 71 len.set(v5_t, 8); 71 72 72 std::cout << "This program is a simple demo of the LEMON Dijkstra class."<<std::endl; 73 std::cout << "We calculate the shortest path from node s to node t in a graph."<<std::endl; 74 std::cout <<std::endl; 73 std::cout << "This program is a simple demo of the LEMON Dijkstra class." 74 << std::endl; 75 std::cout << 76 "We calculate the shortest path from node s to node t in a graph." 77 << std::endl; 78 std::cout << std::endl; 75 79 76 80 77 std::cout << "The id of s is " << g.id(s)<< ", the id of t is " << g.id(t)<<"."<<std::endl; 81 std::cout << "The id of s is " << g.id(s)<< ", the id of t is " 82 << g.id(t) << "." << std::endl; 78 83 79 84 std::cout << "Dijkstra algorithm demo..." << std::endl; 80 81 85 82 86 Dijkstra<Graph, LengthMap> dijkstra_test(g,len); 83 87 84 88 dijkstra_test.run(s); 89 90 std::cout << "The distance of node t from node s: " 91 << dijkstra_test.dist(t) << std::endl; 85 92 93 std::cout << "The shortest path from s to t goes through the following " 94 << "nodes (the first one is t, the last one is s): " 95 << std::endl; 96 97 for (Node v=t;v != s; v=dijkstra_test.predNode(v)) { 98 std::cout << g.id(v) << "<"; 99 } 86 100 87 std::cout << "The distance of node t from node s: " << dijkstra_test.dist(t)<<std::endl;88 89 std::cout << "The shortest path from s to t goes through the following nodes (the first one is t, the last one is s): "<<std::endl;90 91 for (Node v=t;v != s; v=dijkstra_test.predNode(v)){92 std::cout << g.id(v) << "<";93 }94 101 std::cout << g.id(s) << std::endl; 95 102 96 97 103 return 0; 98 104 } 99 100 101 102 103 104 105 106 107
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