Push value to queue and pop value out of priority_queue - C++ STL

C++ examples for STL:priority_queue

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Description

Push value to queue and pop value out of priority_queue

Demo Code

#include <iostream> 
 #include <queue> // priority_queue adapter definition 
 using namespace std; 

 int main() //  w  w  w  . j  a  v a  2 s .  c  o  m
 { 
     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 
    }

    cout << endl; 
}

Result


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