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#include <iostream>
#include <cmath>
using namespace std;
const int row = 3;
const int col = 3;
class TicTacToe
{
public:
void printBoard();
void printBoardGame(int, int, char);
void playGame();
void endGame(char);
int inputR();
int inputC();
bool checkWin(char);
bool check(int, int);
char playerTurn(int, int);
private:
char board[3][3];
};
void TicTacToe::printBoard()
{
int i, j, k, l;
for (k = 0; k < row; k++)
{
for (l = 0; l < col; l++)
{
board[k][l] = '*';
}
}
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)
{
cout << board[i][j];
}
cout << endl;
}
}
char TicTacToe::playerTurn(int i, int j)
{
char player;
if (((i+j) % 2) == 0)
player = 'X';
else
player = 'O';
cout << "Player "<<player<<"'s turn."<<endl;
return player;
}
int TicTacToe::inputR()
{
int x;
cout << "Input X coordinate(1-3): ";
cin >> x;
while ((x < 1)||(x>3))
{
cout << "Invalid number. Try again: ";
cin >> x;
}
return x-1;
}
int TicTacToe::inputC()
{
int y;
cout << "Input Y coordinate(1-3): ";
cin >> y;
while ((y < 1)||(y>3))
{
cout << "Invalid number. Try again: ";
cin >> y;
}
return y-1;
}
void TicTacToe::printBoardGame(int x, int y, char player)
{
int i, j;
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)
{
board [x][y] = player;
cout << board[i][j];
}
cout << endl;
}
}
bool TicTacToe::check(int x, int y)
{
if (board[x][y] != '*')
return false;
else return true;
}
void TicTacToe::playGame()
{
int i, j, x, y;
char t;
bool z, q;
printBoard();
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)
{
t = playerTurn(i, j);
x = inputR();
y = inputC();
q = check(x,y);
while(q == false)
{
cout << "Invalid input!"<<endl;
inputR();
inputC();
check(x,y);
}
printBoardGame(x, y, t);
z = checkWin(t);
if (z == true)
{
j = col+1;
i = row+1;
}
}
}
if (j == col)
cout << "Game over! It's a tie!";
}
bool TicTacToe::checkWin(char player)
{
if (((board[0][0]) == (board[0][1])) && ((board[0][1]) == (board[0][2])) &&((board[0][0]) != '*'))
{endGame(player); return true;}
else if (((board[1][0]) == (board[1][1])) && ((board[1][1]) == (board[1][2])) &&((board[1][1]) != '*'))
{endGame(player); return true;}
else if (((board[2][0]) == (board[2][1])) && ((board[2][1]) == (board[2][2])) &&((board[2][2]) != '*'))
{endGame(player); return true;}
else if (((board[0][0]) == (board[1][0])) && ((board[1][0]) == (board[2][0])) &&((board[0][0]) != '*'))
{endGame(player); return true;}
else if (((board[0][1]) == (board[1][1])) && ((board[1][1]) == (board[2][1])) &&((board[0][1]) != '*'))
{endGame(player); return true;}
else if (((board[0][2]) == (board[1][2])) && ((board[1][2]) == (board[2][2])) &&((board[0][2]) != '*'))
{endGame(player); return true;}
else if (((board[0][0]) == (board[1][1])) && ((board[1][1]) == (board[2][2])) &&((board[2][2]) != '*'))
{endGame(player); return true;}
else if (((board[0][2]) == (board[1][1])) && ((board[1][1]) == (board[2][0])) &&((board[0][2]) != '*'))
{endGame(player); return true;}
else return false;
}
void TicTacToe::endGame(char player)
{
cout << "Game Over! Player "<<player<<" wins!";
}
int main()
{
TicTacToe object;
object.playGame();
return 0;
}
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