Question

Tic tac toe game C++ programing using classes, objects, arays

Answer 1

`Hey,

Note: Brother if you have any queries related the answer please do comment. I would be very happy to resolve all your queries.

#include <iostream>
#include <iomanip>
using namespace std;

class ticTacToe{
char b[3][3]; //two dimenstional array
public:
ticTacToe(); //constructor
void board(); //prints the game board
void Input_p1(int); //takes the input from the user
bool Checker(); //checks the winner
};
int main()
{
ticTacToe game; //creating object
game.board(); //display the game board
for (int i = 1; i <= 9; i++) //takes the game input from the user
{
game.Input_p1(i);
if (game.Checker())
break;
if (i + 1 == 10)
{
cout << "NO one WUNS\n";
break;
}
i++;
game.Input_p1(i);
if (game.Checker())
break;
if (i+1 == 10)
cout << "NO one WUNS\n";
}
system("pause");
}
ticTacToe::ticTacToe() //constructor to intialize the 3by3 array
{
b[0][0] = '1';
b[0][1] = '2';
b[0][2] = '3';
b[1][0] = '4';
b[1][1] = '5';
b[1][2] = '6';
b[2][0] = '7';
b[2][1] = '8';
b[2][2] = '9';
}
void ticTacToe::board()//function to create the game board
{
for (int i = 0; i < 3; i++)
for (int j = 0; j < 3; j++)
{
cout << " "<<b[i][j];
if (j <= 1)
cout << " |";
else
cout << endl;
if (j == 2&&i<2)
cout << "-----------" << endl;
}
}
void ticTacToe::Input_p1(int a) //function that takes input from the user
{
int n, temp = 0;
char c;
if (a == 1 || a == 3 || a == 5 || a == 7 || a == 9)
{
cout << "Player 'X' Turn" << endl;
c = 'X';
}
else
{
cout << "Player 'O' Turn" << endl;
c = 'O';
}

cout << "Enter the Box no :";
do{ // loop to take the box number AGAIN if user enters in correct number
if (temp == 1)
cout << " Again Enter the box no:";
while (!(cin >> n))
{
cin.clear();
cin.ignore(900, '\n');
cout << " Invalid!\n Again Enter the box no :";
}
if (n < 0 || n>9)
temp = 1;
switch (n)
{
case 1:
if (b[0][0] == 'X'||b[0][0]=='O')
temp = 1;
else
{
b[0][0] = c;
temp = 0;
}
break;   

case 2:
if (b[0][1] == 'X' || b[0][1] == 'O')
temp = 1;
else
{
b[0][1] = c;
temp = 0;
}
break;

case 3:
if (b[0][2] == 'X' || b[0][2] == 'O')
temp = 1;
else
{
b[0][2] = c;
temp = 0;
}
break;
case 4:
if (b[1][0] == 'X' || b[1][0] == 'O')
temp = 1;
else
{
b[1][0] = c;
temp = 0;
}
break;

case 5:
if (b[1][1] == 'X' || b[1][1] == 'O')
temp = 1;
else
{
b[1][1] = c;
temp = 0;
}
break;
case 6:
if (b[1][2] == 'X' || b[1][2] == 'O')
temp = 1;
else
{
b[1][2] = c;
temp = 0;
}
break;
case 7:
if (b[2][0] == 'X' || b[2][0] == 'O')
temp = 1;
else
{
b[2][0] = c;
temp = 0;
}
break;

case 8:
if (b[2][1] == 'X' || b[2][1] == 'O')
temp = 1;
else
{
b[2][1] = c;
temp = 0;
}
break;
case 9:
if (b[2][2] == 'X' || b[2][2] == 'O')
temp = 1;
else
{
b[2][2] = c;
temp = 0;
}
break;
}
}while(temp != 0);
board();
}

bool ticTacToe::Checker() //checks the winner
{
if ((b[0][0] == 'X'&& b[0][1] == 'X'&&b[0][2] == 'X') ||
(b[1][0] == 'X'&& b[1][1] == 'X'&&b[1][2] == 'X') ||
(b[2][0] == 'X'&& b[2][1] == 'X'&&b[2][2] == 'X') ||
(b[0][0] == 'X'&& b[1][0] == 'X'&&b[2][0] == 'X') ||
(b[0][1] == 'X'&& b[1][1] == 'X'&&b[2][1] == 'X') ||
(b[0][1] == 'X'&& b[1][1] == 'X'&&b[2][1] == 'X') ||
(b[0][2] == 'X'&& b[1][1] == 'X'&&b[2][0] == 'X')||
(b[0][0] == 'X'&& b[1][1] == 'X'&&b[2][2] == 'X'))
{
cout << "Player 'X' WINS" << endl;
return 1;
}
else if ((b[0][0] == 'O'&& b[0][1] == 'O'&&b[0][2] == 'O') ||
(b[1][0] == 'O'&& b[1][1] == 'O'&&b[1][2] == 'O') ||
(b[2][0] == 'O'&& b[2][1] == 'O'&&b[2][2] == 'O') ||
(b[0][0] == 'O'&& b[1][0] == 'O'&&b[2][0] == 'O') ||
(b[0][1] == 'O'&& b[1][1] == 'O'&&b[2][1] == 'O') ||
(b[0][1] == 'O'&& b[1][1] == 'O'&&b[2][1] == 'O') ||
(b[0][2] == 'O'&& b[1][1] == 'O'&&b[2][0] == 'O') ||
(b[0][0] == 'O'&& b[1][1] == 'O'&&b[2][2] == 'O'))
cout << "Player 'O' WINS" << endl;
else
return 0;
}

Kindly revert for any queries

Thanks.