deque::iterator and deque::reverse_iterator : deque iterator « deque « C++ Tutorial

1. C++ Tutorial
2. deque
3. deque iterator

#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";
}