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// priority_queue::push/pop
#include <iostream> // std::cout
#include <queue> // std::priority_queue
int main ()
{
std::priority_queue<int> mypq;
mypq.push(30);
mypq.push(100);
mypq.push(25);
mypq.push(40);
std::cout << "Popping out elements...";
while (!mypq.empty())
{
std::cout << ' ' << mypq.top();
mypq.pop();
}
std::cout << '\n';
return 0;
}
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