# include <cstdlib>
# include <iostream>

using namespace std;

void counting ( int n, int d[], int dmin, int dmax )
//
//  COUNTING will produce, one after another, all the arrays of N digits
//  with entries between DMIN and DMAX.
//
{
  int i, inc, step;

  for ( i = 0; i < n; i++ )
  {
    d[i] = dmin;
  }

  step = 0;

  while ( true )
  {
//
//  Just to show what is going on, let's print the digits here.
//
    step = step + 1;
    cout << "  " << step;

    for ( i = 0; i < n; i++ )
    {
      cout << " " << d[i];
    }
    cout << "\n";
//
//  Try to increment the last digit.
//
    inc = -1;
    for ( i = n - 1; 0 <= i; i-- )
    {
      if ( d[i] == dmax )
      {
        d[i] = dmin;
      }
      else
      {
        inc = i;
        d[i] = d[i] + 1;
        break;
      }
    }
//
//  If INC is still -1, we didn't find anything to increment, and we are done!
//
    if ( inc == -1 )
    {
      break;
    }
  }
  return;
}