21.01.2024.cpp

import random

def drawboard(board):
    print("   |   |")
    print(" "+board[7]+" | "+board[8]+" | "+board[9])
    print("   |   |")
    print("---+---+---")
    print("   |   |")
    print(" "+board[4]+" | "+board[5]+" | "+board[6])
    print("   |   |")
    print("---+---+---")
    print("   |   |")
    print(" "+board[1]+" | "+board[2]+" | "+board[3])
    print("   |   |")

def inputplayerletter():
    letter = ""
    while not(letter == 'X' or letter == 'O'):
        print("Обери Х або О")
        letter = input().upper()
    if letter == 'X':
        return ['X', 'O']
    else:
        return ['O', 'X']

def whogofirst():
    if random.randint(0,1) == 0:
        return 'computer'
    else:
        return 'player'

def playagain():
    print("продовжити гру, yes або no")
    return input().lower().startswith('y')

def makemove(board,letter,move):
    board[move]=letter

def iswinner(bo,le):
    return((bo[7]==le and bo[8]==le and bo[9]==le)or
           (bo[4]==le and bo[5]==le and bo[6]==le)or
           (bo[1]==le and bo[2]==le and bo[3]==le)or
           (bo[7]==le and bo[4]==le and bo[1]==le)or
           (bo[8]==le and bo[5]==le and bo[2]==le)or
           (bo[9]==le and bo[6]==le and bo[3]==le)or
           (bo[7]==le and bo[5]==le and bo[3]==le)or
           (bo[9]==le and bo[5]==le and bo[1]==le))

def getboardcopy(board):
    dupeboard = []
    for i in board:
        dupeboard.append(i)
    return dupeboard

def isspacefree(board,move):
    return board[move] == ' '

def getplayermove(board):
    move = ' '
    while move not in '1 2 3 4 5 6 7 8 9'.split() or not isspacefree(board,int(move)):
        print("твій наступний хід, обери від 1 до 9")
        move = input()
    return int(move)

def choserandommove(board,moveslist):
    possiblemoves = []
    for i in moveslist:
        if isspacefree(board,i):
            possiblemoves.append(i)
    if len(possiblemoves) != 0:
        return random.choice(possiblemoves)
    else:
        return None

def getcomputermove(board,computerletter, difficulty):
    if computerletter == 'X':
        playerletter = 'O'
    else:
        playerletter = 'X'
    
    if difficulty == 'easy':
        return choserandommove(board, [1, 2, 3, 4, 5, 6, 7, 8, 9])

    if difficulty == 'medium':
        for i in range(1,10):
            copy = getboardcopy(board)
            if isspacefree(copy, i):
                makemove(copy, computerletter, i)
                if iswinner(copy, computerletter):
                    return i
        for i in range(1,10):
            copy = getboardcopy(board)
            if isspacefree(copy, i):
                makemove(copy, playerletter, i)
                if iswinner(copy, playerletter):
                    return i
        return choserandommove(board, [1, 2, 3, 4, 5, 6, 7, 8, 9])

    if difficulty == 'hard':
        for i in range(1,10):
            copy = getboardcopy(board)
            if isspacefree(copy, i):
                makemove(copy, computerletter, i)
                if iswinner(copy, computerletter):
                    return i
        for i in range(1,10):
            copy = getboardcopy(board)
            if isspacefree(copy, i):
                makemove(copy, playerletter, i)
                if iswinner(copy, playerletter):
                    return i
        move = choserandommove(board, [1, 3, 7, 9])
        if move != None:
            return move
        if isspacefree(board, 5):
            return 5
        return choserandommove(board, [2, 4, 6, 8])

def isboardfull(board):
    for i in range(1,10):
        if isspacefree(board,i):
            return False
    return True

def getcomputerlevel():
    level = ""
    while level not in ['easy', 'medium', 'hard']:
        print("Оберіть рівень складності: easy, medium або hard")
        level = input().lower()
    return level

print("гра хрестик - нуль")
while True:
    theboard = [' ']*10
    playerletter, computerletter = inputplayerletter()
    difficulty = getcomputerlevel()
    turn = whogofirst()
    print("рандом обрав, що першим ходе - ", turn)
    gameisplaying = True
    while gameisplaying:
        if turn == 'player':
            drawboard(theboard)
            move = getplayermove(theboard)
            makemove(theboard, playerletter, move)
            if iswinner(theboard, playerletter):
                drawboard(theboard)
                print("тобі вдалось обіграти штучний інтелект")
                gameisplaying = False
            else:
                if isboardfull(theboard):
                    drawboard(theboard)
                    print("сьогодні нічія")
                    break
                else:
                    turn = 'computer'
        else:
            move = getcomputermove(theboard, computerletter, difficulty)
            makemove(theboard, computerletter, move)

            if iswinner(theboard, computerletter):
                drawboard(theboard)
                print("комп виграв, користувач плакі плакі")
                gameisplaying = False
            else:
                if isboardfull(theboard):
                    drawboard(theboard)
                    print("нічія")
                    break
                else:
                    turn = 'player'
    if not playagain():
        break