#include <stdio.h>
double f(int n,double i)
{
i*=n;
n--;
printf("%lf\n",i);
if(n==0)
{
return i;
}
f(n,i);
}
int main(int argc, char *argv[])
{
int n,m,s=0,s2=0,s3=0;
char A[100];
double x;
scanf("%d%d",&n,&m);
printf("%.4f",f(n,1.0));
//printf("%.4f",1/f(n,1.0)+1/f(m,1.0));
return 0;
}
qq_缘定三生石
慕仰7464091
慕仰7464091