15. Write a program to implement simple code optimization technique.

 

#include<conio.h>

#include<stdio.h>

int main()

{

int i,n;

int fact=1;

 

printf("enter a number:");

scanf("%d",&n);

for(i=n;i>=1;i--)

{

fact=fact*i;

}

printf("the factorial value is %d",fact);

 

return 0;

}

OUTPUT: