跟brocode用c语言做tictoktoe井字棋 - 指南

#define _CRT_SECURE_NO_WARNINGS
#include 
#include 
#include 
#include 
//这是c语言代码，使用cpp高亮
char board[3][3];
const char Player = 'X';
const char Computer = 'O';
void resetBoard();
void printBoard();
int checkFreeSpace();
void playerMove();
void computerMove();
char checkWinner();
void printWinner(char);
int main() {
	char winner = ' ';
	char response;
	do {
		winner = ' ';
		response = ' ';
		resetBoard();
		while (winner == ' ' && checkFreeSpace() != 0)
		{
			printBoard();
			playerMove();
			winner = checkWinner();
			if (winner != ' ' || checkFreeSpace() == 0)
			{
				break;
			}
			computerMove();
			winner = checkWinner();
			if (winner != ' ' || checkFreeSpace() == 0)
			{
				break;
			}
		}
		printBoard();
		printWinner(winner);
		printf("would you like to play again(Y/N)");
		while (getchar() != '\n');
		scanf("%c", &response);
		while (getchar() != '\n');
		response = toupper(response);
	} while(response == 'Y');
	printf("thanks for playing");
	return 0;
}
void resetBoard()
{
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 3; j++)
		{
			board[i][j] = ' ';
		}
	}
}
void printBoard()
{
	printf(" %c | %c | %c ", board[0][0], board [0][1], board[0][2]);
	printf("\n---|---|---\n");
	printf(" %c | %c | %c ", board[1][0], board[1][1], board[1][2]);
	printf("\n---|---|---\n");
	printf(" %c | %c | %c ", board[2][0], board[2][1], board[2][2]);
	printf("\n---|---|---\n");
	printf("\n");
}
int checkFreeSpace() {
	int freeSpaces = 9;
	for (int i = 0; i < 3; i++)
	{
		for (int j = 0; j < 3; j++)
		{
			if (board[i][j] != ' ')
			{
				freeSpaces--;
			}
		}
	}
	return freeSpaces;
}
void playerMove() {
	int x;
	int y;
	do {
		printf("enter row #(1-3)");
		scanf("%d", &x);
		while (getchar() != '\n');
		x--;
		printf("enter column");
		scanf("%d", &y);
		while (getchar() != '\n');
		y--;
		if (board[x][y] != ' ')
		{
			printf("invalid move!\n");
		}
		else
		{
			board[x][y] = Player;
			break;
		}
	} while (board[x][y]!= ' ');
}
void computerMove()
{
	srand(time(0));
	int x;
	int y;
	if (checkFreeSpace() > 0)
	{
		do
		{
			x = rand() % 3;
			y = rand() % 3;
		} while (board[x][y] != ' ');
		board[x][y] = Computer;
	}
	else
	{
		printWinner(' ');
	}
}
char checkWinner()
{
	for (int i = 0; i < 3; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2])
		{
			return board[i][0];
		}
	}
	for (int j = 0; j < 3; j++)
	{
		if (board[j][0] == board[j][1] && board[j][1] == board[j][2])
		{
			return board[j][0];
		}
	}
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2])
	{
		return board[0][0];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0])
	{
		return board[2][0];
	}
	return ' ';
}
void printWinner(char winner)
{
	if (winner == Player)
	{
		printf("you win");
	}
	else if (winner == Computer)
	{
		printf("you lose");
	}
	else{
		printf("its a tie");
	}
}

利用ide为vs

目前运行中有以下几个问题：

1.一开始scanf函数一直报不安全，改成scanf_s函数后忘了什么原因但也一直不能正常运行，在前面加了一个引用处理。

2.一开始无法正常进行第二轮游戏，但在对内容进行修改后变得无法识别游戏结束了，即使已经赢了也得下满9子才能表现，未发现原因。

暂时无法解决上述问题，先搁置，备份，过几周再回来看。

现在计组刚看完存储器那章，这门东西好多啊……

目前在设想如何实现五子棋作用，以及其他项目。