c program to Find Armstrong number.

#include<stdio.h>
main()
{
long int i;
int num,sum,t,dig;
clrscr();
printf("Enter a number\n");
scanf("%d",&num);

for(i=100;i<=num;i++)
{
sum=0;
t=i;
while(t>0)
{
dig=t%10;
sum=sum+(dig*dig*dig);
t=t/10;
}
if(sum==i)
{
printf("\n%d",i);
}

}
getch();
}