三字棋（c语言）

设计思路：

—一。主体函数的设计：

设计一个菜单函数，通过选择判定是否选择进入游戏，还是退出游戏

int main()
{
	
	int input = 0;
	srand((unsigned)time(NULL));//用时间戳完成随机数
	do
	{
		menu();
		printf("请选择>:");
		scanf_s("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			break;
		default:
			printf("选择错误，请重新选择\n");
		}
	} while (input);
	return 0;
}

void menu()
{
	printf("**************************\n");
	printf("****1.玩     0.退出游戏****\n");
	printf("**************************\n");
}

二.game()函数的设计

1.棋子的储存需要一个二维数组，board[3][3]

2.然后设计一个Intboard(）函数将数组初始化为空格

3.设计一个 Display()用来打印棋盘

4.设计一个PlayMove（）函数，让玩家可以下棋，还要设计一个IS_winer()来判断玩家是否胜利

5.设计一个ComputerMove（）函数，让电脑下棋，同样用IS_winer()函数来判断电脑是否胜利

void game()
{
	char ret = 0;
	char board[ROW][COL] = { 0 };//初始化数组,全是空格
	Intboard(board, ROW, COL);
	Display(board, ROW, COL);
	while (1)
	{
		
		PlayMove(board,ROW,COL);
		Display(board, ROW, COL);
		ret=IS_winer(board, ROW, COL);
		if (ret !='c')
		{
			break;
		}
		ComputerMove(board,ROW,COL);
		Display(board, ROW, COL);
		ret=IS_winer(board, ROW, COL);
		if (ret != 'c')
		{
			break;
		}
	}
	if (ret == '*')
	{
		printf("玩家赢\n");
	}
	else if (ret == '#')
	{
		printf("电脑赢\n");
	}
	else
	{
		printf("平局\n");
	}
}

三。各种函数的实现

初始化函数

void Intboard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	int j = 0;
	for (i = 0; i < ROW; i++)
	{
		for (j = 0; j < COL; j++)
		{
			board[i][j] = ' ';
		}
	}
}

Display函数

void Display(char board[ROW][COL], int row, int col)
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		for(j=0;j

PlayMove函数

void PlayMove(char board[ROW][COL], int row, int col)
{
	int  x=0;
	int y=0;
	while (1)
	{
		printf("玩家走>:\n");
		printf("请输入你想要走的坐标>:");
		scanf_s("%d%d", &x, &y);
		if (x>=1&&x<=row&&y>=1&&y<=col)
		{
			if (board[x-1][y-1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("该坐标被占用\n");
			}
		}
		else
		{
			printf("输入错误，非法坐标\n");
		}
	}
	
}

ComputerMove函数

void ComputerMove(char board[ROW][COL], int row, int col)
{
	
	int x = 0;
	int y = 0;
	while (1)
	{
		printf("电脑走>:\n");
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x - 1][y - 1] = '#';
			break;
		}
	}
}

    char IS_winer(char board[ROW][COL], int row, int col)函数

char IS_winer(char board[ROW][COL], int row, int col)
	{
		int i = 0;
		int j = 0;
		for (i = 0; i < row; i++)
		{
			if (board[i][1] == board[i][2] && board[i][3] == board[i][2] && board[i][1] != ' ')
			{
				return board[i][1];
			}
		}
		for (i = 0; i < col; i++)
		{
			if (board[1][i] == board[2][i] && board[3][i] == board[1][i] && board[1][i] != ' ')
			{
				return board[1][i];
			}
		}
		if (board[0][0] == board[1][1] && board[2][2] == board[0][0] && board[0][0] != ' ')
		{
			return board[0][0];
		}
		 if (board[0][2] == board[1][1] && board[2][0] == board[1][1] && board[0][2] != ' ')
		{
			return board[0][2];
		}
		 if (1 == IsFull(board, ROW, COL))
		 {
			 return 'q';
		 }
		 else
		 {
			 return 'c';
		 }
	}

 IsFull函数

int IsFull(char board[ROW][COL], int row, int col)
	{
		int i = 0;
		int j = 0;
		for (i = 0; i < row; i++)
		{
			for (j = 0; j < col; j++)
			{
				if (board[i][j] == ' ')
				{
					return 0;//没满
				}
			}
		}
		return 1;//满了
	}

然后就是我设计的game.h文件

#pragma once
#define ROW 3
#define COL 3
#include
#include
#include
void Intboard(char board[ROW][COL], int row, int col);
void Display(char board[ROW][COL], int row, int col);

void PlayMove(char board[ROW][COL], int row, int col);
void ComputerMove(char board[ROW][COL], int row, int col);



char IS_winer(char board[ROW][COL], int row, int col);