Aim: Find the factorial of a number using recursion using C.
#include<stdio.h>
#include<conio.h>
long factorial(int);
void main()
{
int x;
printf("Enter a number : ");
scanf("%d",&x);
printf("\nFactorial of %d is %ld",x,factorial(x));
}
long factorial(int n)
{
if(n==0) return 1;
else return n*factorial(n-1);
}