Python小程序

class Board:
    def __init__(self, size=15):
        self.size = size
        self.board = [[' ' for _ in range(size)] for _ in range(size)]
        self.current_player = 'X'

    def display(self):
        print('    ' + '   '.join(str(i) for i in range(self.size)))
        print('   +' + '---+' * self.size)
        for i in range(self.size):
            row = f' {i} |'
            for j in range(self.size):
                row += f' {self.board[i][j]} |'
            print(row)
            print('   +' + '---+' * self.size)

    def make_move(self, x, y):
        if not self.is_valid_move(x, y):
            return False
        self.board[x][y] = self.current_player
        self.current_player = 'O' if self.current_player == 'X' else 'X'
        return True

    def is_valid_move(self, x, y):
        if x < 0 or x >= self.size or y < 0 or y >= self.size:
            return False
        if self.board[x][y] != ' ':
            return False
        return True

    def check_winner(self):
        for i in range(self.size):
            for j in range(self.size):
                if self.board[i][j] == ' ':
                    continue
                if self.check_right(i, j) or self.check_down(i, j) or self.check_diagonal_down_right(i, j) or self.check_diagonal_down_left(i, j):
                    return self.board[i][j]
        return None

    def check_right(self, x, y):
        count = 1
        while y + count < self.size and self.board[x][y + count] == self.board[x][y]:
            count += 1
        return count >= 5

    def check_down(self, x, y):
        count = 1
        while x + count < self.size and self.board[x + count][y] == self.board[x][y]:
            count += 1
        return count >= 5

    def check_diagonal_down_right(self, x, y):
        count = 1
        while x + count < self.size and y + count < self.size and self.board[x + count][y + count] == self.board[x][y]:
            count += 1
        return count >= 5

    def check_diagonal_down_left(self, x, y):
        count = 1
        while x + count < self.size and y - count >= 0 and self.board[x + count][y - count] == self.board[x][y]:
            count += 1
        return count >= 5

if __name__ == '__main__':
    board = Board()
    while True:
        board.display()
        move = input(f"{board.current_player}, make a move (row column): ")
        try:
            x, y = move.split()
            x, y = int(x), int(y)
        except:
            print('Invalid input.')
            continue
        if not board.make_move(x, y):
            print('Invalid move.')
            continue
        winner = board.check_winner()
        if winner is not None:
            board.display()
            print(f"Game over. {winner} wins!")
            break