C++ Program To Find Armstrong Numbers Between Two Integers

// C++ program to find Armstrong 
// numbers in a range
#include <bits/stdc++.h>
using namespace std;

// Prints Armstrong Numbers in a 
// given range
void findArmstrong(int low, int high)
{
    for (int i = low+1; i < high; ++i) 
    {
        // Number of digits calculation
        int x = i;
        int n = 0;
        while (x != 0) 
        {
            x /= 10;
            ++n;
        }

        // Compute sum of nth power of 
        // its digits
        int pow_sum = 0; 
        x = i;
        while (x != 0) 
        {
            int digit = x % 10;
            pow_sum += pow(digit, n);
            x /= 10;
        }

        // Checks if number i is equal 
        // to the sum of nth power of 
        // its digits
        if (pow_sum == i) 
            cout << i << " ";     
    }
}

// Driver code
int main()
{
    int num1 = 100;
    int num2 = 400;
    findArmstrong(num1, num2);
    cout << '';
    return 0;
}