人人对战井字棋 C++

人人对战井字棋 C++,第1张

人人对战井字棋 C++
//Tic Tac Toe
#include
#include
using namespace std;
char chessboard[5][11];  //用于打印棋盘
int chess[3][3];  //用于存放落子位置的数组
void Initialize_the_chessboard()  //初始化棋盘
{
	for (int i = 0; i < 5; i++)
		for (int j = 0; j < 11; j++)
			chessboard[i][j] = ' ';  //先将所有棋盘初始化为空格
	for (int i = 0; i < 5; i++)
	{
		chessboard[i][3] = '|';
		chessboard[i][7] = '|';  //初始化两列竖线
	}
	for (int i = 0; i < 11; i++)
	{
		chessboard[1][i] = '-';
		chessboard[3][i] = '-';  //初始化两条横线
	}
	chessboard[1][3] = '+', chessboard[1][7] = '+';
	chessboard[3][3] = '+', chessboard[3][7] = '+';  //初始化竖线与横线交叉的地方
	int k = 1;
	for (int i = 0; i < 5; i += 2)
		for (int j = 1; j < 11; j += 4)
		{
			chessboard[i][j] = k + '0';  //填入数字
			k++;
		}
}
void Print_the_chessboard()  //打印棋盘
{
	system("cls");  //打印之前先清屏
	//打印棋盘头部
	printf("%20s", "Tic Tac Toe");  //打印题目
	cout << '\n';
	cout << "Player1 (X)  -  Player2 (O)";  //两位玩家
	cout << '\n';
	//打印棋盘主体, 用循环结构完成即可
	for (int i = 0; i < 5; i++)
	{
		for (int j = 0; j < 11; j++)
			cout << chessboard[i][j];
		cout << endl;
	}
}
int judge(int s)  //判断输入数字对应位置是否存在数字
{
	if (s <= 0 || s >= 10)
		return 0;
	int i, j, k = 1;
	for (i = 0; i < 3; i++)
		for (j = 0; j < 3; j++)
		{
			if (k == s)
				goto A;  //如果此处使用"break"来终止循环的话只能终止第一层循环, 所以用"goto"语句直接跳出循环
			k++;
		}
A:	if (chess[i][j] != 0)
		return -1;
	return 1;
}
int check()  //判断是否获胜
{
	int flag = 2, flag2 = 0;
	for (int i = 0; i < 3; i++)
		for (int j = 0; j < 3; j++)
			if (chess[i][j] == 0)
				flag2++;  //判断还有几个空格
	for (int i = 0; i < 3; i++)  //判断行是否相等
		if (chess[i][0] == chess[i][1] && chess[i][0] == chess[i][2] && chess[i][1] == chess[i][2])
			flag = chess[i][0];
	for (int i = 0; i < 3; i++)  //判断列是否相等
		if (chess[0][i] == chess[1][i] && chess[0][i] == chess[2][i] && chess[1][i] == chess[2][i])
			flag = chess[0][i];
	if (chess[0][0] == chess[1][1] && chess[0][0] == chess[2][2] && chess[1][1] == chess[2][2])  //判断对角线是否相等
		flag = chess[0][0];
	if (chess[0][2] == chess[1][1] && chess[0][2] == chess[2][0] && chess[1][1] == chess[2][0])  //判断对角线是否相等
		flag = chess[0][2];
	if (flag2 == 0 && flag == 2)
		return 3;  //空格为零, 且没有获胜者
	else
		return flag;  //flag返回值的可能值为:1,-1,0,2
}
void Player(int x)
{
	if(x==1)
		cout << "Player1, enter a number:";
	else
		cout<< "Player2, enter a number:";
	char c;
	int s;
	cin >> c;  //输入
	if (c <= '0' || c > '9')  //判断输入是否合法
	{
		cout << "Your enter is not a number, please try again.\n";
		Player(x);
	}
	else
	{
		s = c - '0';  //将字符转化为数字
		int a = judge(s);
		if (a == 0)
		{
			cout << "Your number is out of range, please try again.\n";
			Player(x);
		}
		else if (a == -1)
		{
			cout << "Your number has been occupied, please try again.\n";
			Player(x);
		}
		else if (a == 1)
		{

			int i, j, k = 1,num;
			char ch;
			if(x==1)
				num=1,ch='X';
			else
				num=-1,ch='O';
			for (i = 0; i < 3; i++)
				for (j = 0; j < 3; j++)
				{
					if (k == s)
					{
						chess[i][j] = num;
						goto B;
					}
					k++;
				}
		B:		k = 1;
			for (i = 0; i < 5; i += 2)
				for (j = 1; j < 11; j += 4)
				{
					if (k == s)
					{
						chessboard[i][j] = ch;
						return;
					}
					k++;
				}
		}
	}
}
int main()
{
	Initialize_the_chessboard();
	Print_the_chessboard();
	int p = 1;
	while (true)
	{
		Player(p % 2);
		Print_the_chessboard();
		p++;
		int a = check();
		if (a == 1)
		{
			cout << "The winner is Player1.";
			break;
		}
		else if (a == -1)
		{
			cout << "The winner is Player2.";
			break;
		}
		else if (a == 3)
		{
			cout << "The game is over. No one is a winner.";
			break;
		}
		else
			continue;
	}
	system("pause");
}

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原文地址: http://outofmemory.cn/langs/562503.html

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