Write a program to print out all the Armstrong numbers between 100 and 500.

Dr. A.P.J. Abdul Kalam Technical University, Lucknow

KCS151 / KCS251 Programming for Problem Solving - Using C Language

Lab Exercises

12. Write a program to print out all the Armstrong numbers between 100 and 500.

/*

 File: Prgrm12.c

 Author: Aditya Saini

 Date: Jan 16, 2021

 Description: Program to print all the Armstrong numbers between 100 and 500.

*/

#include <stdio.h>

#include <math.h>

int main (void)

{

     int i, j;

     int ArmStrong;

     int temp;

     printf ("Armstrong numbers between 100 and 500: ");

     for (i = 100; i <= 500; i++)

     {

          //Checking if i is an Armstrong number or not

          ArmStrong = 0;

          for (temp = i; temp != 0; temp /= 10)

               ArmStrong = ArmStrong + pow (temp %10, 3);

          if (i == ArmStrong)

               printf ("%d ", i);

     }

     return 0;

};

Output

Armstrong numbers from 100 to 500: 153 370 371 407