Answer / vignesh1988i

USING RECURSION
#include<stdio.h>
#include<conio.h>
int factorial(int);
void main()
{
int n,c;
printf("enter the non negative number :");
scanf("%d",&n);
if(n>=0)
{
c=factorial(n);
printf("the factorial is : %d",c);
}
else
printf("only for non negative numbers factorial can be
computed");
getch();
}
int factorial(int n)
{
static i=1,fact=1;
fact=fact*i;
if(i==5)
return(fact);
else
factorial(++i);
}

iam back thank you

Answer / valli

//using recursion
fact(int);
main()
{
int n;
printf("enter n");
scanf("%d",n)
if(n<0)
printf("invalid number");
else
printf("factorial of %d =%d",n,fact(n));
}
fact(int n)
{
if(n==0||n==1)
return 1;
else
return n*fact(n-1);
}

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