gcd multi num

#include <iostream>

int gcd(int a, int b) {
    while (b != 0) {
        int temp = b;
        b = a % b;
        a = temp;
    }
    return a;
}

int gcdMultiple(int arr[], int n) {
    int result = arr[0];
    for (int i = 1; i < n; i++) {
        result = gcd(result, arr[i]);
    }
    return result;
}

int main() {
    int n;
    std::cout << "Enter the number of elements: ";
    std::cin >> n;

    int arr[n];
    std::cout << "Enter " << n << " numbers: ";
    for (int i = 0; i < n; i++) {
        std::cin >> arr[i];
    }

    int result = gcdMultiple(arr, n);
    std::cout << "GCD of the given numbers is: " << result;

    return 0;
}