find the max element along with it 27s index in c 2b 2b

1int main()
2{
3    int num, arr[10];
4    int x, y, a, b;
5
6    cin >> num;
7
8    for (int i = 0; i < num; i++)
9    {
10        cin >> arr[i];
11    }
12
13    cout << "Max element Index: " << max_element(arr, arr + num) - arr;
14
15    return 0;
16}
17