calculating an Armstrong number

#include
#include

void main()
{
int n,r,res=0,t;
clrscr();
printf("\n\n\n\t\t\t Program for calculating an Armstrong number");


printf("\n\n\n\t\t\t Enter any number = ");
scanf("%d",&n);
t=n;

while(n>0)
{
r=n%10;
res=res+r*r*r;
n=n/10;
}

if(t==res)
printf("\n\n\n\t\t\t %d is an Armstrong number.",t);

else
printf("\n\n\n\t\t\t %d is Not an Armstrong number.",t);



getch();


}