amstrong number

#include
#include
void main()
{
int n,r,t,sum=0;
clrscr();
printf(" OUTPUT :\n");
printf("\tEnter a no.");
scanf("%d",&n);
t=n;
while(n!=0)
{
r=n%10;
sum=sum+r*r*r;
n=n/10;
}
if(sum==t)
printf("The no. %d is armstrong",t);
else
printf("The no. %d is not an armstrong",t);
getch();
}