#include <iostream> #include <queue> #include <string> using namespace std; int main() { queue<string> q; // insert three elements into the queue q.push("These "); q.push("are "); q.push("more than "); // read and print two elements from the queue cout << q.front(); q.pop(); cout << q.front(); q.pop(); // insert two new elements q.push("four "); q.push("words!"); // skip one element q.pop(); // read and print two elements cout << q.front(); q.pop(); cout << q.front() << endl; q.pop(); // print number of elements in the queue cout << "number of elements in the queue: " << q.size() << endl; }