src/work/jacint/prim.cc
changeset 174 44700ed9ffaa
child 211 9222a9b8b323
equal deleted inserted replaced
-1:000000000000 0:ea03999dbe8a
       
     1 #include <iostream>
       
     2 #include <fstream>
       
     3 
       
     4 #include <list_graph.hh>
       
     5 #include <dimacs.hh>
       
     6 #include <prim.h>
       
     7 #include <time_measure.h>
       
     8 
       
     9 #include <bin_heap.hh>
       
    10 #include <fib_heap.h>
       
    11 
       
    12 using namespace hugo;
       
    13 
       
    14 int main(int, char **) {
       
    15   typedef ListGraph::NodeIt NodeIt;
       
    16 
       
    17   ListGraph G;
       
    18   NodeIt s, t;
       
    19   ListGraph::EdgeMap<int> cap(G);
       
    20   readDimacsMaxFlow(std::cin, G, s, t, cap);
       
    21 
       
    22   std::cout << "prim demo ..." << std::endl;
       
    23   
       
    24   double pre_time=currTime();
       
    25     Prim<ListGraph, int, FibHeap<ListGraph::NodeIt, int, 
       
    26     ListGraph::NodeMap<int> > > prim_test(G, cap);
       
    27     prim_test.run();
       
    28   double post_time=currTime();
       
    29     
       
    30   std::cout << "running time with fib_heap: " 
       
    31 	    << post_time-pre_time << " sec"<< std::endl; 
       
    32  
       
    33   pre_time=currTime();
       
    34   Prim<ListGraph, int, BinHeap<ListGraph::NodeIt, int, 
       
    35     ListGraph::NodeMap<int> > > prim_test2(G, cap);
       
    36   prim_test2.run();
       
    37   post_time=currTime();
       
    38   
       
    39   std::cout << "running time with bin_heap: " 
       
    40 	    << post_time-pre_time << " sec"<< std::endl; 
       
    41   
       
    42   std::cout<<"A minimalis feszitofa sulya fib kupaccal: "<< prim_test.weight() <<std::endl;
       
    43   std::cout<<"A minimalis feszitofa sulya bin kupaccal: "<< prim_test2.weight() <<std::endl;
       
    44   if ( prim_test.weight() != prim_test2.weight() ) 
       
    45     std::cout<<"Nem egyezik meg!"<<std::endl; 
       
    46   else std::cout<<"Megegyezik."<<std::endl; 
       
    47 
       
    48   return 0;
       
    49 }