» » » C program to check number is armstrong number or not

  • Armstrong number is a number which order of n if
  • xyz=x n + y n + z n;
  • To check three digit Armstrong number in c programming
  • 153=13 * 53*33
  • In the same way we can also check four digit Armstrong number
  • 1634=14+64+34+44 is Armstrong  number.
  • In c Programming to check a number is armstrong or not we need to split that number and need to find nth power of each number and sum all the results.
  • If total sum is equal to the same number then we can say it is Armstrong number.
  • Let us see an Example program in c to check a number is Armstrong number or not without using recursion.
  • First we will check a three digit number is armstrong number or not 

Program #1 : write a c program to check a three digit number is armstrong number or not without using recursion.

  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. void main(){
  4. int number, originalNumber, rem, result = 0;
  5.  
  6.     printf("Enter a three digit number to check armstrong number or not: ");
  7.     scanf("%d", &number);
  8.  
  9.     originalNumber = number;
  10.  
  11.     while (originalNumber != 0)
  12.     {
  13.         rem = originalNumber%10;
  14.         result += rem*rem*rem;
  15.         originalNumber /= 10;
  16.     }
  17.  
  18.     if(result == number)
  19.         printf("%d is an Armstrong number.",number);
  20.     else
  21.         printf("%d is not an Armstrong number.",number);
  22.  
  23.     getch();
  24.     
  25. }

 Output:


Armstrong number in c program

Instance Of Java

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