Problem B: 调用函数，求1!+2!+3!+......+10!

Posted 2021-01-16 chenlong991223

#include<stdio.h>
double fact(int i);
int main()
{
    int i;
    float sum=0;
    for(i=1;i<=10;i++)
    sum=sum+fact(i);
    printf("%.6f
",sum);
    return 0;
}

double fact(int i)
{
    static int j=1;
    j=j*i;
    return(j);
}