void?main()?
{
int?i,n;
printf("input?a?number(1~9):?");
scanf("%d",?&n?);
for(?i=1;i<=n;i++?)
int?j;
for(?j=1;j<=i;j++?)
printf("%d*%d=%-3d",?i,?j,?i*j?);
}
printf("\n");