tic

// This is a personal academic project. Dear PVS-Studio, please check it.
// PVS-Studio Static Code Analyzer for C, C++, C#, and Java: http://www.viva64.com
#include <iostream>
#include<time.h>
using namespace std;
const int rows = 3;
const int cols = 3;
int field[rows][cols];
int x, y, turn;
string man = "человек", compucter = "компьютер";
void user_computer();
void user_user();
void computer_computer();
bool checkVictory();
void printField();
int main()
{
	turn = 0;
	x = y = 0;
	setlocale(LC_ALL, "Russian");
	srand(time(NULL));
	int select = 0;
	for (int i = 0; i < rows; i++)
	{
		for (int j = 0; j < cols; j++)
		{
			field[i][j] = 0;
		}
	}
	bool winner = 0;
	int swit = 0;
	while (1)
	{
		if (swit == 9)
			break;
		cout << "режим игры:" << endl;
		cout << "1)компьютер - компьютер" << endl;
		cout << "2)компьютер - человек" << endl;
		cout << "3)человек - человек" << endl;
		swit = 0;
		select = 0;
		while (select == 0)
		{
			if (!(cin >> select))
			{
				cin.clear();
				cin.ignore(65535, '\n');
			}
		}
		switch (select)
		{
		case 1:
			computer_computer();
			main();
			break;
		case 2:
			user_computer();
			main();
			break;
		case 3:
			user_user();
			main();
			break;
		default:
			cout << "неверный режим\nдля выхода введите 9" << endl;
			cin >> swit;
			break;
		}
	}
	return 0;
}
void user_computer()
{
	do
	{
		cout << "Ваш ход:  ";
		if (turn % 2 == 0)
		{
			cout << compucter;
			do
			{
				x = 1 + rand() % 3;
				y = 1 + rand() % 3;
			} while (field[x - 1][y - 1] != 0);
			field[x - 1][y - 1] = 1;
		}
		else
		{
			cout << man;

			do
			{
				cout << endl << (turn == 0 ? man : compucter) << ", Введите свой ход -  \n";
				cout << endl << "Строка: ";
				cin >> x;
				cout << endl << "Столбец: ";
				cin >> y;
				if ((x >= 1 && x <= 3) && (y >= 1 && y <= 3) && (field[x - 1][y - 1] == 0))
					break;
			} while (true);
			field[x - 1][y - 1] = 2;
		}

		printField();

		if (checkVictory() == true)
			break;
		turn++;
	} while (turn <= 9);
	cout << endl << (turn % 2 == 0 ? compucter : man) << " Победил!\n\n";
}
void user_user()
{


	do
	{
		cout << "Следующий ход:  ";
		if (turn % 2 == 0)
		{
			cout << man;


			do
			{
				cout << endl << man << ", Введите свой ход -  \n";
				cout << endl << "Строка: ";
				cin >> x;
				cout << endl << "Столбец: ";
				cin >> y;
				if (
					(x >= 1 && x <= 3)
					&&
					(y >= 1 && y <= 3)
					&&
					(field[x - 1][y - 1] == 0)
					)
					break;
			} while (true);



			field[x - 1][y - 1] = 1;
		}
		else
		{
			cout << man;

			do
			{
				cout << endl << man << ", Введите свой ход -  \n";
				cout << endl << "Строка: ";
				cin >> x;
				cout << endl << "Столбец: ";
				cin >> y;
				if ((x >= 1 && x <= 3) && (y >= 1 && y <= 3) && (field[x - 1][y - 1] == 0))
					break;
			} while (true);
			field[x - 1][y - 1] = 2;
		}


		printField();

		if (checkVictory() == true)
			break;
		turn++;
	} while (turn <= 9);
	cout << endl << man << " Победил!\n\n";
}
void computer_computer()
{

	do
	{
		cout << "Следующий ход:  ";
		if (turn % 2 == 0)
		{
			cout << compucter;
			do
			{
				x = 1 + rand() % 3;
				y = 1 + rand() % 3;
			} while (field[x - 1][y - 1] != 0);
			field[x - 1][y - 1] = 1;
		}
		else
		{
			cout << compucter;

			do
			{
				x = 1 + rand() % 3;
				y = 1 + rand() % 3;
			} while (field[x - 1][y - 1] != 0);
			field[x - 1][y - 1] = 2;
		}


		printField();

		if (checkVictory() == true)
			break;
		turn++;
	} while (turn <= 9);
	cout << endl << compucter << " Победил!\n\n";

}

void printField()
{
	cout << endl << " -----------------" << endl;
	for (size_t i = 0; i < rows; i++)
	{
		for (size_t j = 0; j < cols; j++)
		{
			cout << "|  " << (field[i][j] == 1 ? "X" : field[i][j] == 2 ? "O" : " ") << "  ";
		}
		cout << "|" << endl << "|-----------------|" << endl;
	}
}
bool checkVictory()
{
	// проверка победы по строкам (по горизонтали)
	for (size_t row = 0; row < rows; row++)
		if (field[row][0] == field[row][1] && field[row][1] == field[row][2] && field[row][2] != 0)
			return true;
	// проверка победы по столбцам (по вертикали)
	for (size_t column = 0; column < cols; column++)
		if (field[0][column] == field[1][column] && field[1][column] == field[2][column] && field[2][column] != 0)
			return true;
	// проверка победы на главной диагонали
	if (field[0][0] == field[1][1] && field[1][1] == field[2][2] && field[1][1] != 0)
		return true;
	// проверка победы на обратной диагонали
	if (field[0][2] == field[1][1] && field[1][1] == field[2][0] && field[1][1] != 0)
		return true;
	return false;
}