Factorial number with recursion

NIELIT O Level Paper

C Language

 January 2016 Solved

Q8 a) Write a program having a recursive function to calculate the factorial of a number. In the main() function, read the value of the number and then using the recursive function display the result.

Solution :

/*   ################################

     Girfa Student Help

     Factorial recursion  program

     for more visit : http://girfahelp.blogspot.in/p/c-language.html

     ################################

*/

#include<stdio.h>

int fact(int);

void main()

{

     int i;

     printf("enter number for factorial>> ");

     scanf("%d",&i);

     printf("\n\t%d",fact(i));

}

int fact(int n)

{

     if(n==0)

           return 1;

     else

           return(n*fact(n-1));

}

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