(Reversing a string with Iterators) Write a program that inputs a line of text and prints the text backward. Use iterators in your solution.

What will be an ideal response?

```
// Program prints a string backward.
#include
#include
using namespace std;

int main()
{
string s;

cout << "Enter a string: ";
getline( cin, s, '\n' );

// reverse_iterator rd points to the beginning
// of the reversed string
string::reverse_iterator rb = s.rbegin();

// go to the end of the string
while ( rb != s.rend() )
{
cout << *rb; // dereference and print
++rb; // advanced one position
} // end while

cout << endl;
} // end main
```
Enter a string: print this backward
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