/*WAP to find the factorial a number using function
with arguments and return a value*/
#include<stdio.h>
long int fn(int);
int main()
{
int n;
long int result;
printf("Enter n = ");
scanf("%d",&n);
result=fn(n);
printf("\nFactorial = %ld",result);
return 0;
}
long int fn(int x)
{
long int f1=1;
for(int i=1;i<=x;i++)
f1=f1*i;
return f1;
}