#include <iostream.h>

extern int a[][4];   // Declare array

int main(int argc, char *argv[])
{
   int i, j;

   int f(int, int);   // Declare function

   for ( i = 0; i < 3; i++ )
      for ( j = 0; j < 4; j++ )
         a[i][j] = i + j;


   for ( i = 0; i < 3; i++ )
   {
      for ( j = 0; j < 4; j++ )
          cout << f(i, j) << "  ";

      cout << endl;
   }
}