tic-tac-toe

using System;
using System.Collections.Generic;
using System.Text;

class Program
{
    static int[] board = new int[9];
    static int[] numofWins = new int[3]; // 0 - "X" player, 1 - "O" player, 2 - tie
    static int filledPositions = 0;

    static bool HaveWinner()
    {
        return (board[0] != 2 && board[0] == board[1] && board[0] == board[2]) ||
               (board[3] != 2 && board[3] == board[4] && board[3] == board[5]) ||
               (board[6] != 2 && board[6] == board[7] && board[6] == board[8]) ||
               (board[0] != 2 && board[0] == board[3] && board[0] == board[6]) ||
               (board[1] != 2 && board[1] == board[4] && board[1] == board[7]) ||
               (board[2] != 2 && board[2] == board[5] && board[2] == board[8]) ||
               (board[0] != 2 && board[0] == board[4] && board[0] == board[8]) ||
               (board[2] != 2 && board[2] == board[4] && board[2] == board[6]);
    }

    static void SolveBoard(int player)
    {
        for (int i = 0; i < 9; i++)
            if (board[i] == 2)
            {
                board[i] = player;
                filledPositions++;
                if (HaveWinner())
                    numofWins[player]++;
                else if (filledPositions < 9)
                    SolveBoard(1 - player);
                else
                    numofWins[2]++;
                filledPositions--;
                board[i] = 2;
            }
    }


    static void Main(string[] args)
    {
        int numOfOs = 0;
        int numOfXs = 0;
        int player = 0;
        string s = "";
        for (int i = 0; i < 9; i++)
        {
            if (i % 3 == 0)
                s = Console.ReadLine();
            if (s[i % 3] == 'X')
            {
                board[i] = 0;
                numOfXs++;
            }
            else if (s[i % 3] == 'O')
            {
                board[i] = 1;
                numOfOs++;
            }
            else board[i] = 2;
            filledPositions = numOfOs + numOfXs;
            if (numOfXs > numOfOs)
                player = 1;
            else
                player = 0;
        }
        SolveBoard(player);
        Console.WriteLine(numofWins[0]);
        Console.WriteLine(numofWins[2]);
        Console.WriteLine(numofWins[1]);
    }
}