第五章例5-9

#include<stdio.h>
double fact_s(int n);
int main(void)
{
 int i,n;
 printf("Input n:");
 scanf("%d",&n);
 for(i=1;i<=n;i++)
  printf("%3d!=%.0f\n",i,fact_s(i));

 return 0;
}
double fact_s(int n)
{
 static double f=1;
 f=f*n;

 return(f);
}