Armstrong Number

A Number is said to be an armstrong number if sum of cubes of its digits is equal to its number.

int main() {

  int k,sum=0,n1,n=371;

  n1=n;

  while(n!=0)

  {

    k=n%10;

    k=k*k*k;

    sum+=k;

    n=n/10;

  }

  if(sum==n1)

  {

    printf("The given number is armstrong number");

  }

  return 0;

}