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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int n, original, temp, digit, count = 0;
  6.     int sum = 0, power, i;
  7.  
  8.     printf("Enter a number: ");
  9.     scanf("%d", &n);
  10.  
  11.     original = n;
  12.     temp = n;
  13.  
  14.     // Count the number of digits
  15.     while (temp != 0)
  16.     {
  17.         count++;
  18.         temp = temp / 10;
  19.     }
  20.  
  21.     temp = n;
  22.  
  23.     // Calculate sum of digits raised to the power of count
  24.     while (temp != 0)
  25.     {
  26.         digit = temp % 10;
  27.         power = 1;
  28.  
  29.         for (i = 1; i <= count; i++)
  30.         {
  31.             power = power * digit;
  32.         }
  33.  
  34.         sum = sum + power;
  35.         temp = temp / 10;
  36.     }
  37.  
  38.     if (sum == original)
  39.         printf("%d is an Armstrong Number.", original);
  40.     else
  41.         printf("%d is not an Armstrong Number.", original);
  42.  
  43.     return 0;
  44. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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153
stdout
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Enter a number: 153 is an Armstrong Number.
https://ideone.com/iLrPc9
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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