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Ren_TicTacToe.cpp
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Ren_TicTacToe.cpp
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//Tic-Tac-Toe
//By Renzo Pereyra
#include<iostream>
using namespace std;
char square[10] = { 'o', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
int checkIfWin();
void board();
int main()
{
int player = 1, i, choice;
char mark; //this will be your X or O
do
{
board();
player = ((player % 2) ? 1 : 2); //basically: if "player%2" is true, return 1, else return 2
cout << endl;
cout << "Player " << player << ", enter a number: ";
cin >> choice;
mark = ((player == 1) ? 'X' : '0'); //basically: if "player==1" is true, return X, else return O
if (choice == 1 && square[1] == '1')
square[1] = mark;
else if (choice == 2 && square[2] == '2')
square[2] = mark;
else if (choice == 3 && square[3] == '3')
square[3] = mark;
else if (choice == 4 && square[4] == '4')
square[4] = mark;
else if (choice == 5 && square[5] == '5')
square[5] = mark;
else if (choice == 6 && square[6] == '6')
square[6] = mark;
else if (choice == 7 && square[7] == '7')
square[7] = mark;
else if (choice == 8 && square[8] == '8')
square[8] = mark;
else if (choice == 9 && square[9] == '9')
square[9] = mark;
else
{
cout << "Invalid code. Try again!" << endl;
cout << "Press Enter to Continue.";
player--;
cin.ignore(); //clears characters from input buffer
cin.get(); //used for accessing character arrays, including whitespace characters, as opposed to "cin >> char" which ends once whitespace is found
}
i = checkIfWin();
player++;
} while (i == -1); //do-while loop
board();
if (i == 1)
{
cout << endl;
cout << "==>\aPlayer " << --player << " wins! ";
}
else
{
cout << endl;
cout << "==>\aGame Draw! ";
}
cin.ignore();
cin.get();
return 0;
}
int checkIfWin()
{
if (square[1] == square[2] && square[2] == square[3]) //if three-in-a-row horizontally/vertically/diagonally
return 1;
else if (square[4] == square[5] && square[5] == square[6])
return 1;
else if (square[7] == square[8] && square[8] == square[9])
return 1;
else if (square[1] == square[4] && square[4] == square[7])
return 1;
else if (square[2] == square[5] && square[5] == square[8])
return 1;
else if (square[3] == square[6] && square[6] == square[9])
return 1;
else if (square[1] == square[5] && square[5] == square[9])
return 1;
else if (square[3] == square[5] && square[5] == square[7])
return 1;
else if (square[1] != '1' && square[2] != '2' && square[3] != '3' && square[4] != '4' && square[5] != '5'
&& square[6] != '6' && square[7] != '7' && square[8] != '8' && square[9] != '9') //else if no squares are available
return 0;
else
return -1;
//Returns "1" if Game is Over with Result
//Returns "-1" if Game is in Progress
//Returns "0" if Game is a Draw
}
void board()
{
system("cls"); //clears screen?
cout << "\n\n\tTic Tac Toe\n\n";
cout << "Player 1 (X) - Player 2 (0)" << endl;
cout << endl;
cout << " | | " << endl;
cout << " " << square[1] << " | " << square[2] << " | " << square[3] << endl;
cout << " _____|_____|_____" << endl;
cout << " | | " << endl;
cout << " " << square[4] << " | " << square[5] << " | " << square[6] << endl;
cout << " _____|_____|_____" << endl;
cout << " | | " << endl;
cout << " " << square[7] << " | " << square[8] << " | " << square[9] << endl;
cout << " | | " << endl;
}