What is tic tac toe 2.0?

Answer 1

// Tic-Tac-Toe

// Plays the game of tic-tac-toe against a human opponent

#include

<iostream>

#include

<string>

#include

<vector>

#include

<algorithm>

using

namespace std;

// global constants

const

char X = 'X';

const

char O = 'O';

const

char EMPTY = ' ';

const

char TIE = 'T';

const

char NO_ONE = 'N';

void

instructions();

char

askYesNo(string question);

int

askNumber(string question, int high, int low = 0);

char

humanPiece();

char

opponent(char piece);

void

displayBoard(const vector<char>* const pBoard);

char

winner(const vector<char>* const pBoard);

bool

isLegal(const vector<char>* const pBoard, int move);

int

humanMove(const vector<char>* const pBoard, char human);

int

computerMove(vector<char> board, char computer);

void

announceWinner(char winner, char computer, char human);

// main function

int

main()

{

int

move;

const

int NUM_SQUARES = 9;

vector

<char> board(NUM_SQUARES, EMPTY);

instructions();

char

human = humanPiece();

char

computer = opponent(human);

char

turn = X;

displayBoard(&board);

while

(winner(&board) human;

board

[move] = EMPTY;

}

if

(!found)

{

++move;

}

}

}

if

(!found)

{

move = 0;

unsigned

int i=0;

const

int BEST_MOVES[] = {4, 0, 2, 6, 8, 1, 3, 5, 7};

while

(!found && i< board.size())

{

move = BEST_MOVES[i];

if

(isLegal(move, &board))

{

found =

true;

}

++i;

}

}

cout <<

" I Shall take square number" << move << endl;

return

move;

}

void

announceWinner(char winner, char computer, char human)

{

if

(winner == computer)

{

cout <<

winner << "'s won!\n";

cout <<

"As I predicted, human, I am triumphant once more - proof\n";

cout <<

"that computers are superior to humans in all regards.\n";

}

else

if (winner == human)

{

cout <<

winner << "'s won!\n";

cout <<

"No, no! It cannot be! Somehow you tricked me, human.\n";

cout <<

"But never again! I, the computer, so swear it!\n";

}

else

{

cout <<

"It's a tie.\n";

cout <<

"You were most lucky, human, and somehow managed to tie me.\n";

cout <<

"Celebrate... for this is the best you will ever achieve.\n";

}

}