#include "smat.h"           // added
#include <algorithm>
#include <iostream>
#include <string>
using namespace std;

int main()
{
  string s("Hello, this is SMAT.");
  reverse(smat<string::iterator>(s.begin()),    // changed
          smat<string::iterator>(s.end()));
  cerr << s << '\n';        // cout -> cerr
  return 0;
}