Program to display the Armstrong numbers in between 1 and 1000

Armstrong number is integer number. Armstrong Number is also known as Narcissistic number or Pluperfect digital invariant. Three digit Armstrong number must be equal to the sum of cubes of all digits of the 3 digit number. n-digits Armstrong number must be equal to the sum of nth power of all digits of the n-digits number. For Example . . . 153 and 1634 are Armstrong numbers. That is, 1*1*1*+5*5*5+3*3*3 = 153, 1*1*1*1+6*6*6*6+3*3*3*3+4*4*4*4=1634 are Armstrong numbers. The below given C program to display the Armstrong numbers between 1 and 400. Kindly check out the program to to Display the Armstrong numbers between 1 and 1000.