程序代码：

# include <stdio.h>
int main (void)
{
    int n,n1,n2,n3;
    printf ("请输入一个数字，我们会给出它的四次方数。\n");
    scanf ("%d",&n);
    n1 = 0;
    n1 = n;
    n2 = n1*n1;
    n3 = n2*n2;
    printf ("%d的四次方数是%d\n",n,n3);
    getchar ();
    getchar ();
    return 0;
}