#include <iostream>
#include <deque>
void printdq(std::deque <int> dq) {
for (auto it = dq.begin(); it != dq.end(); ++it)
std::cout << *it << " ";
std::cout << '\n';
}
int main()
{
std::deque<int> dq = { 5, 2, 9, 12, 7, 9, 13, 89 };
printdq(dq);
dq.clear();
printdq(dq);
return 0;
}
/*
run:
5 2 9 12 7 9 13 89
*/