Factorial program in c using recursion

C Program

#include<stdio.h>
int fact(int);
int main() {
	int num,f;
	printf("\nEnter a number: ");
	scanf("%d",&num);
	f=fact(num);
	printf("\nFactorial of %d is: %d",num,f);
	return 0;
}
int fact(int n) {
	if(n==1)
	       return 1; else
	       return(n*fact(n-1));
}