Factorial of a number using recursion

 // factorial of a number

#include<stdio.h>

#include<math.h>

int fact(int);

int main(){

    int num,f;

    printf("enter the number:");

    scanf("%d",&num);

    f= fact(num);

    printf("\n Factorial of (%d) is (%d)",num,f);

    

}

int fact(int f)

{

    

if(f==1)

return f;

    else

        return f*(f-1);

}