Factorial of number

Program:

#include<stdio.h> 
int main() 
{ 
int num,i,fact=1; 
  printf("Enter Number: \n"); 
  scanf("%d",&num); 
  if(num<0)
{
     printf("Factorial of a negative number not defined");
  } 
  else
  {
for(i=1;i<=num;i++) 
  { 
  fact=fact*i; 
  }
  printf("Factorial of %d : %d ",num,fact);
}
return 0;
}

Output: