#include <iostream>
#include <string>
#include <deque>
int main()
{
std::deque<std::string> dq;
dq.assign(5, std::string("c++"));
dq.push_front("java");
for (auto elem : dq) {
std::cout << elem << ' ';
}
std::cout << std::endl;
return 0;
}
/*
run:
java c++ c++ c++ c++ c++
*/