int main() {\x0d
\x09int h;\x0d
\x09scanf("%d",&h);\x0d
\x09int x=0,y=h;\x0d
\x09while(h-1) {\x0d
\x09\x09printf("%*s", h-2, "");\x0d
\x09\x09while(x) printf("**", x--);\x0d
\x09\x09puts("*");\x0d
\x09\x09h--;\x0d
\x09\x09x=y-h;\x0d
\x09}\x0d
\x09printf("%*s", y, "G*F");\x0d
}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).