Factorial Calculation :
Input : Enter n value : 5
Output : Factorial of 5 is : 120 (5x4x3x2x1 = 120)
#include<stdio.h>
int main()
{
int n, i, fact=1;
printf("Enter n value : ");
scanf("%d", &n);
for(i=n ; i>=1 ; i--)
{
fact=fact*i;
}
printf("Factorial of %d is : %d \n", n, fact);
return 0;
}