scanf("%d",¢er);
center=center-1;
printf("菱形以第%d列(行)為對稱軸\n",center+1);
for(i=0;i<2*center+1;i++)
{
if(i<center)
d=center-i;
else
d=i-center;
for(j=0;j<d;j++)
printf(" ");
for(j=0;j<2*center+1-2*d;j++)
printf("*");
for(j=0;j<d;j++)
printf(" ");
printf("\n");
d=0;
}