Let us c solution

  [B] (b)

Write a  program to print out all Armstrong numbers between 
1 and 500.If sum of cubes of each digit of the numbers is 
equal to the number itself,then the number is called an 
armstrong numbers.   */

#include<stdio.h>
int main()
{
	int i=1,a,b,c;
	printf("Armstrong number between 1 and 500 are\n");
	while(i<=500)
	{
		a=i%10;
		b=i%100;
		b=(b-a)/10;
		c=i/100;
		if((a*a*a)+(b*b*b)+(c*c*c)==i)
		printf("%d\n",i);
		i++;
	}
	return 0;
}