#ifndef TicTacToe_H
#define TicTacToe_H
#include<array>
class TicTacToe
{
private:
    static std::array<std::array<int, 3>, 3>T;
    int num;
public:
    TicTacToe(int);
    static bool win();
    void show();
    bool play(int,int);
};
#endif

#include"head.h"
#include<iostream>
using std::array;
array<array<int, 3>, 3>TicTacToe::T{};

TicTacToe::TicTacToe(int n):num(n){}
bool TicTacToe::win()
{
    for (int i = 0; i < 3; i++)
    {
        if (T[i][1] == T[i][2] && T[i][0] == T[i][2] && T[i][1] != 0)
            return true;
    }
    for (int i = 0; i < 3; i++)
    {
        if (T[0][i] == T[1][i] && T[1][i] == T[2][i] && T[0][i] != 0)
            return true;
    }
    if(((T[0][0] == T[1][1] && T[1][1] == T[2][2])|| (T[2][0] == T[1][1] && T[1][1] == T[0][2]))&& T[1][1])
        return true;
    return false;
}
void TicTacToe::show()
{
    for (int i = 0; i < 3; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            std::cout << T[i][j] << " ";
        }
        std::cout << std::endl;
    }
}
bool TicTacToe::play(int a, int b)
{

    if ((a > 0 && a < 4 && b>0 && b < 4)&& T[a - 1][b - 1] == 0)
    {
        T[a - 1][b - 1] = this->num;
        show();
        return true;
    }
    else
    {
        std::cout << "Please enter a valid position!" << std::endl;
        return false;
    }

    if (win())
    {
        std::cout << "Player" << this->num << " win!" << std::endl;
    }
}

#include<iostream>
#include"head.h"
#include<array>
using std::cin;
using std::cout;
using std::endl;
int main()
{
    TicTacToe player1(1);
    TicTacToe player2(2);
    int turn;
    cout << "Please enter 1 or 2 to decide who to start." << endl;
    cin >> turn;
    if (turn != 1 && turn != 2)
    {
        cout << "You enter a wrong number!Enter again." << endl;
        cin >> turn;
    }
    int final = turn;
    while (TicTacToe::win() == false)
    {
        std::cout << "Please enter two integers between 1 and 3 to represent the position of tictactoe." << std::endl;
        int a, b;
        cin >> a >> b;
        if (turn % 2 == 1)
        {
            if (player1.play(a, b) == false)
                continue;
        }
        else if (turn % 2 == 0)
        {
            if (player2.play(a, b) == false)
                continue;
        }
        turn++;
        if ((turn - final == 9) && (TicTacToe::win() == false))
        {
            cout << "No one win." << endl;
            break;
        }
    }
}