第二章9

#include<stdio.h>
int main(void)
{
    int i,n;
    double product;
    
    printf("Enter n:");
    scanf("%d",&n);
    product=1;
    for(i=1;i<=n;i++){
        product=product*i;
            }
    printf("product=%.0f\n",product);
    
    return 0;
}

转载于:https://www.cnblogs.com/reaper/p/3350131.html