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Enter n to automatically calculate factorial sum

2022-07-21 23:30:00 【Chinese a man】

#include<stdio.h>
long fact(long a);
int main()
{
	long n,result=0;
    long i;
    scanf("%ld",&n);
    for(i=1;i<=n;i++)
    {
    /****** Add a few lines of code here to start ******/
    result+=fact(i);
    /****** Add several lines of code here to end ******/
    }
    printf("1!+2!+...+n!=%ld",result);
}
/****** The definition here is fact Function to ******/
long fact(long a){
    if(a==1||a==0)
        return 1;
    else
        return a*fact(a-1);
       }
/****** The definition here is fact End of the function ******/