multi bitmap, C++ (gcc)

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//bimap operations

#include <boost/bimap.hpp>
#include <boost/bimap/set_of.hpp>
#include <boost/bimap/multiset_of.hpp>

int main()
{
   typedef boost::bimap<boost::bimaps::multiset_of<int>, boost::bimaps::multiset_of<int> > bimap_t;
   typedef bimap_t::value_type value_type;
   bimap_t bimap;

bimap.insert(value_type(10, 2));    
   bimap.insert(value_type(1, 3));
   bimap.insert(value_type(10, 1));
   bimap.insert(value_type(1, 6));
   bimap.insert(value_type(9, 20));
    bimap.insert(value_type(1, 20));
    bimap.insert(value_type(1, 30));

std::pair<bimap_t::left_const_iterator,bimap_t::left_const_iterator> il = bimap.left.equal_range(1);

std::cout << "LEFT" << std::endl;

for(bimap_t::left_const_iterator it = il.first; it != il.second; ++it)
   {
     std::cout << "Key = " << it->first << "    Value = " << it->second << std::endl;
   }

std::pair<bimap_t::right_const_iterator,bimap_t::right_const_iterator> ir = bimap.right.equal_range(20);
   std::cout << "RIGHT" << std::endl;
    
   for(bimap_t::right_const_iterator itr = ir.first; itr != ir.second; ++itr)
   {
     std::cout << "Key = " << itr->first << "    Value = " << itr->second << std::endl;
   }
    
}

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Compilation time: 7.44 sec, absolute running time: 0.14 sec, cpu time: 0 sec, memory peak: 4 Mb, absolute service time: 7.6 sec