Program to calculate factorial of a given number

Posted Date: 26 May 2008 Resource Type: Articles/Knowledge Sharing Category: Education

Posted By: Vidya Member Level: Diamond
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Program : Program to calculate factorial of a given number

/**********************************************************************/
/*Program : To show recursion*/
/*Purpose : Program to calculate factorial of a given number*/
/*Date : 19-12-2004*/
/*Time : 05:10*/
/**********************************************************************/
#include
#include

/********** Function Declaration begins **********/
int factorial(int);
/********** Function Declaration ends **********/

void main()
{
int n, fact;
clrscr();
printf(“\n\t\t Program to calculate the factorial of a number:”);
printf(“\n\n\t\t Enter number to calculate the factorial:”);
scanf(“%d”,&n);
fact =factorial(n);
printf(“Factorial of %d = %d”,n,fact);
getch();
}

/********** Computing Factorial **********/
/********** Function Definition begins **********/
int factorial( int n )
{
if ( n == 0 )
return 1;
else
return n* factorial(n-1);
}
/********** Function Definition ends **********/

? OUTPUT
Program to calculate the factorial of a number:
Enter number to calculate the factorial:7
Factorial of 7 = 5040

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