Das kleine 1x1 in C>#include <stdio.h>
 
int main()
{
int i, j;
 
  for (i = 1; i <= 10; i++)
    {  
       printf ("\n");
       for (j = 1; j <= 10; j++)
         {
            printf ("%4d", i * j);
         }
    }
  printf ("\n\n");
  return 0;
}

$ ./1x1 

   1   2   3   4   5   6   7   8   9  10
   2   4   6   8  10  12  14  16  18  20
   3   6   9  12  15  18  21  24  27  30
   4   8  12  16  20  24  28  32  36  40
   5  10  15  20  25  30  35  40  45  50
   6  12  18  24  30  36  42  48  54  60
   7  14  21  28  35  42  49  56  63  70
   8  16  24  32  40  48  56  64  72  80
   9  18  27  36  45  54  63  72  81  90
  10  20  30  40  50  60  70  80  90 100