#include <iostream> #include <queue> using namespace std; int main() { // Create a queue of strings queue<string> cars; // Add elements to the queue cars.push("Volvo"); cars.push("BMW"); cars.push("Ford"); cars.push("Mazda"); // Access the front element (first and oldest) cout << cars.front() << "\n"; // Access the back element (last and newest) cout << cars.back() << "\n"; return 0; }