// Fig. 22.25: Fig22_25.cpp
// Standard Library adapter priority_queue test program.
#include <iostream>
#include <queue> // priority_queue adapter definition
using namespace std;

int main()
{
   priority_queue< double > priorities; // create priority_queue
   
   // push elements onto priorities
   priorities.push( 3.2 );
   priorities.push( 9.8 );
   priorities.push( 5.4 );

   cout << "Popping from priorities: ";
   
   // pop element from priority_queue
   while ( !priorities.empty() ) 
   {
      cout << priorities.top() << ' '; // view top element
      priorities.pop(); // remove top element
   } // end while

   cout << endl;
} // end main

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