#include <iostream> #include <string> using namespace std; int main() { int number = 153; int digits = to_string(number).length(); int sum = 0; int temp = number; while (temp > 0) { int digit = temp % 10; int power = 1; for (int i = 0; i < digits; i++) { power *= digit; } sum += power; temp /= 10; } if (sum == number) { cout << number << " is an Armstrong number"; } else { cout << number << " is not an Armstrong number"; } return 0; }