Table de multiplication sous forme de table C

lami20j@debian:~/trash$ cat ccm.c
#include<stdio.h>

int
main (void){
  int i, j;

  printf ("   |");
  for (i = 1; i < 11; ++i)
    printf ("%#3d   ", i);
  printf ("\n");

  for (i = 1; i < 64; ++i)
    printf ("-");
  printf ("\n");

  for (i = 1; i < 11; ++i){
      printf ("%#2d |", i);
      for (j = 1; j < 11; ++j)
        printf ("%#3d   ", i * j);
      printf ("\n");
  }
  return 0;
}
lami20j@debian:~/trash$ gcc ccm.c
lami20j@debian:~/trash$ ./a.out
   |  1     2     3     4     5     6     7     8     9    10
------------------------------------------------------------­---
 1 |  1     2     3     4     5     6     7     8     9    10
 2 |  2     4     6     8    10    12    14    16    18    20
 3 |  3     6     9    12    15    18    21    24    27    30
 4 |  4     8    12    16    20    24    28    32    36    40
 5 |  5    10    15    20    25    30    35    40    45    50
 6 |  6    12    18    24    30    36    42    48    54    60
 7 |  7    14    21    28    35    42    49    56    63    70
 8 |  8    16    24    32    40    48    56    64    72    80
 9 |  9    18    27    36    45    54    63    72    81    90
10 | 10    20    30    40    50    60    70    80    90   100