#include <iostream>
#include <deque>
using namespace std;
int main() {
// 创建一个名为 cars 的双端队列，用于存储字符串
deque<string> cars = {"Volvo", "BMW", "Ford", "Tesla"};
// 打印双端队列中的元素
for (string car : cars) {
cout << car << "\n";
}
return 0;