Program to find strong number.

Strong Number: A strong number is a number in which the sum of factorial of all the digits of the given number is equal to the given number. E.g. 145=1!+4!+5!

#include<stdio.h>
#include<conio.h>
void main()
{
int i=0,n;
long double f=1;
clrscr();
printf("Enter the number : ");
scanf("%d",&n);

for(i=n;i>0;i=i/10)

{

r=i%10;

for(i=r;i>0;i--)
f=f*i;

s=s+f;

}

if(s==n)

printf("The number is strong.");

else

printf("The number is not strong number.");

getch();

}