////////////////////////////////////////
#include 
#include 
#include 

int main()
{
    std::priority_queue > intPQueue;
    intPQueue.push(400);
    intPQueue.push(100);
    intPQueue.push(500);
    intPQueue.push(300);
    intPQueue.push(200);

    std::cout << "Values removed from priority queue:"
              << std::endl;
    int size = intPQueue.size();
    for (int x=0; x    {
        std::cout << intPQueue.top() << std::endl;
        intPQueue.pop();
    }

    return 0;
}