Turning Turtle Game

#include<bits/stdc++.h>

using namespace std;

int main()

{

    int n;

    cout << "Enter Size of Coin Position Sequence : ";

    cin >> n;

    char ch[n];

    int xor_sum = 0;

    cout << "Enter Each Coin Position : ";

    for(int i=0; i<n; i++)

    {

        cin >> ch[i];

        if(ch[i] == 'H')

            xor_sum ^= (i+1);

    }

    if(xor_sum > 0)

        cout << "First Player Win." << "\n";

    else

        cout << "Second Player Win." << "\n";

    return 0;

}