Factorial

Factorial

 

 

#include<stdio.h>

void fac(long long int a)

{

    long long int f=1;

    int i;

    if(a==0)

    {

        printf("Factorial is 1\n\n");

    }

    else

    {

        for(i=1; i<=a; i++)

        {

            f=f*i;

        }

        printf("Factorial is %lld\n\n",f);

    }

}

int main()

{

    long long int n;

    printf("\nEnter a Number : ");

    while(scanf("%lld",&n)==1)

    {

    fac(n);

    printf("\nEnter a Number : ");

    }

    return 0;

}