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//*************************************************************************************************************************************************************************
// tutor.cpp - this program allows two players to play a game of tic-tac-toe.
// Input: (1): player 1 inputs their first move as a coordinate (row x column) of numbers 1 through 9. (2): player 2 inputs their first move as a coordinate (row x
// column) of numbers 1 through 9. (3) Input continues to go back and forth between the two players until a winner is found or a draw happens in the game.
// Output: (1): A tic-tac-toe gameboard is drawn and player 1 is prompted for their input. (2): After each successfull move input, a new board is drawn replacing
// "*" symbol with either a "X" or "O" depending on which player is using their turn. (3): Player 1 is output as the winner if they are able to mark the board
// with 3 "X's" in a row, column, or diagonal / Player 2 is output as the winner if they are able to mark the board with 3 "O's" in a row, column, or diagonal.
// (4):
// Assumptions: (1): A valid input for row and column is 1-9, anything else results in an "invalid move" and player is prompted for input again.
//*************************************************************************************************************************************************************************
#include <iostream>
#include <string>
using namespace std;
char num[10] = {'o','1','2','3','4','5','6','7','8','9'};
string whiteSpace = " ";
int win() // Win function returns the winner of the game, either:
{ // --> returns -1: for game in progress
if (num[1] == num[2] && num[2] == num[3]) // --> returns 0: for game over with draw situation
return 1; // --> returns 1: for game over with a success
else if (num[4] == num[5] && num[5] == num[6])
return 1;
else if (num[7] == num[8] && num[8] == num[9])
return 1;
else if (num[1] == num[4] && num[4] == num[7])
return 1;
else if (num[2] == num[5] && num[5] == num[8])
return 1;
else if (num[3] == num[6] && num[6] == num[9])
return 1;
else if (num[1] == num[5] && num[5] == num[9])
return 1;
else if (num[3] == num[5] && num[5] == num[7])
return 1;
else if (num[1] != '1' && num[2] != '2' && num[3] != '3' && num[4] != '4' && num[5] != '5' && num[6] != '6' && num[7] != '7' && num[8] != '8' && num[9] != '9')
return 0;
else
return -1;
}
void game() // Game void function draws the game board along with player 1 and 2's input
{
system("cls");
cout << "\n\n\t" << whiteSpace << " Coy's Tic Tac Toe Game\n\n" << whiteSpace;
cout << " Player 1 (X) - Player 2 (O)\n\n\n";
cout << whiteSpace << " | | " << endl;
cout << whiteSpace << " " << num[1] << " | " << num[2] << " | " << num[3] << endl;
cout << whiteSpace << " _____|_____|_____" << endl;
cout << whiteSpace << " | | " << endl;
cout << whiteSpace << " " << num[4] << " | " << num[5] << " | " << num[6] << endl;
cout << whiteSpace << " _____|_____|_____" << endl;
cout << whiteSpace << " | | " << endl;
cout << whiteSpace << " " << num[7] << " | " << num[8] << " | " << num[9] << endl;
cout << whiteSpace << " | | " << "\n\n\n";
}
int main()
{
int player = 1,i;
int row, column; // Variables for row and column in array
char m; // Variable for marker (X = Player 1, O = Player 2)
do
{
game();
player=(player%2)?1:2;
cout << " Player " << player // User is prompted for input of their move by corresponding row & column
<< ", enter a (1-3) row & column number separated by a single space: ";
cin >> row >> column;
m=(player == 1) ? 'X' : 'O'; // Player 1 = X | Player 2 = O
if (row == 1 && column == 1) // If statements mark the corresponding element in the array according to
num[1] = m; // the row and column number that is input by user
else if (row == 1 && column == 2)
num[2] = m;
else if (row == 1 && column == 3)
num[3] = m;
else if (row == 2 && column == 1)
num[4] = m;
else if (row == 2 && column == 2)
num[5] = m;
else if (row == 2 && column == 3)
num[6] = m;
else if (row == 3 && column == 1)
num[7] = m;
else if (row == 3 && column == 2)
num[8] = m;
else if (row == 3 && column == 3)
num[9] = m;
else
{
cout<<"\aInvalid move, please input position again: "; // If anything outside of 1-3 is input for the row & column, that is invalid
player--; // input. Error message is output and user is prompted for aditional input
cin.ignore();
cin.get();
}
i=win();
player++;
}while(i==-1);
game();
if(i==1)
cout << whiteSpace << " ==>\aPlayer "<< --player // If 3 "X's" or "O's" are found in a row, column, or diagonal then a winner
<<" is the winner! " << endl; // is found and output to the users
else
cout << whiteSpace << " ==>\aGame is a draw! \n"; // If every element in the array is filled and there are not 3 "X's" or "O's"
cin.ignore(); // marked either in a row, column, or diagonal: THE GAME IS OUTPUT AS A DRAW.
cin.get();
}
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