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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5.     int num=153, originalNum, remainder, result,n;
  6.  
  7.  
  8.     originalNum = num;
  9.  
  10.     // Calculate the number of digits in the number
  11.     while (originalNum != 0) {
  12.         originalNum /= 10;
  13.         n++;
  14.     }
  15.  
  16.     // originalNum = num;
  17.  
  18.     // Calculate the sum of the digits raised to the power of n
  19.     while (originalNum != 0) {
  20.         remainder = originalNum % 10;
  21.         result += pow(remainder, n);
  22.         originalNum /= 10;
  23.     }
  24.  
  25.     // Check if the result equals the original number
  26.     if (result == num) {
  27.         printf("%d is an Armstrong number.\n", num);
  28.     } else {
  29.         printf("%d is not an Armstrong number.\n", num);
  30.     }
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5284KB
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Standard input is empty
stdout
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153 is not an Armstrong number.
https://ideone.com/2OqPrh
language:
C (gcc 8.3)
created:
13 hours ago
visibility:
public

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