#include <iostream>
#include <deque>
using namespace std;
void show(const char *msg, deque<int> q);
int main() {
deque<int> dq(10);
for(unsigned i=0; i < dq.size(); ++i) dq[i] = i*i;
show("Contents of dq: ", dq);
deque<int>::iterator itr;
deque<int>::reverse_iterator ritr;
for(itr = dq.begin(); itr != dq.end(); ++itr)
cout << *itr << " ";
for(ritr = dq.rbegin(); ritr != dq.rend(); ++ritr)
cout << *ritr << " ";
return 0;
}
// Display the contents of a deque<int>.
void show(const char *msg, deque<int> q) {
cout << msg;
for(unsigned i=0; i < q.size(); ++i)
cout << q[i] << " ";
cout << "\n";
}
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