三子棋（输赢很简单 平局不容易）（详情看代码注释）_三子棋代码,玩家一走就是平局

一 .首先打开vs软件

二 .创建空项目

三. 添加新建项main.c,复制下面代码进去

#include"game.h"
void mean()
{
		printf("***************************\n");
		printf("********** 1.paly *********\n");
		printf("********** 0.exit *********\n");
		printf("***************************\n");
}
void game()
{
	char board[ROW][COL];
	InitBoard(board,ROW,COL);                            //初始化数组
	DisplayBoard(board, ROW, COL);                      //打印数组
   	char ret = 0;
	while (1)
	{
		PlayerBoard(board, ROW, COL);           //玩家下棋
		DisplayBoard(board, ROW, COL);          //打印棋谱
		ret = Iswin(board, ROW, COL);           //得到返回值  用于判断输赢
		if (ret != 'C')                          //判断是否继续
			break;  //若返回值为C则跳出循环 判断输赢
		ComputerBoard(board, ROW, COL);         //电脑下 
		DisplayBoard(board, ROW, COL);          //打印棋谱
		ret = Iswin(board, ROW, COL);           //上同
		if (ret != 'C')
			break;	
	}
	if (ret == '*')                          //判断输赢
		printf("玩家赢了\n");
	if (ret == '#')
		printf("电脑赢了\n");
	if(ret == 'Q')
		printf("平局\n");
}
int main()                   //主函数
{
	int input = 0;                          //输入1/0.开始游戏
	srand((unsigned)time(NULL));            //电脑随即下棋
	do                                     
	{                                       //循环游戏开始
		mean();
		printf("请输入 >");
		scanf_s("%d", &input);
		switch (input)
		{
		case 1:
			printf("开始游戏：\n");
			game();                             //执行游戏   game函数在上面调用
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("请重新选择\n");
			break;
		}
	} while (input);

	return 0;
}
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四.再次新建项 game.c 将下面代码复制进去

#include"game.h"
void InitBoard(char board[ROW][COL], int row, int col)            //初始化
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			board[i][j] = ' ';
		}
	}
}
void DisplayBoard(char board[ROW][COL], int row, int col)     //打印棋盘
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			printf(" %c ",board[i][j]);
			if (j < col - 1)
				printf("|");
		}
		printf("\n");
		if (i < row - 1)
		{
			int j = 0;
			for(j = 0; j<col;j++)
			{
				printf("---");
				if (j < col - 1)
				    printf("|");
			}
			printf("\n");
		}
	}
}

void PlayerBoard(char board[ROW][COL], int row, int col)                     //玩家下棋
{
	int x = 0;
	int y = 0;
	printf("玩家走\n");
	while (1)
	{
		printf("请输入游戏坐标:>\n");
		scanf_s("%d %d", &x, &y);
		if (x <= row && x >= 1 && y >= 1 && y <= col)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
				printf("位置被占用请重新输入:>\n");
		}
		else
			printf("位置不对，请重新输入:>\n");
	}

	
}


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

int Isfull(char board[ROW][COL], int row, int col)                 //判断是否平局（还有没有格子）
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			if (board[i][j] == ' ')                                
				return 0;
		}
	}
	return 1;
}

char Iswin(char board[ROW][COL], int row, int col)                               //判断是否赢
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
			return board[i][1];
	}
	for (j = 0; j < col; j++)
	{
		if (board[0][j] == board[1][j] && board[1][j] == board[2][j] && board[1][j] != ' ')
			return board[1][j];
	}
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
		return board[0][0];
	if (board[2][1] == board[2][2] && board[2][2] == board[1][2] && board[1][2] != ' ')
		return board[2][1];
	int ret = Isfull(board, ROW, COL);
	if (ret == 1)
		return 'Q';
	else
		return 'C';
}
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五.再次添加新建项 game.h 赋值下面代码

#define ROW 3
#define COL 3
#include<stdio.h>
#include<time.h>
#include<stdlib.h>


void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void PlayerBoard(char board[ROW][COL], int row, int col);
void ComputerBoard(char board[ROW][COL], int row, int col);
char Iswin(char board[ROW][COL], int row, int col);
int Isfull(char board[ROW][COL], int row, int col);

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之后运行，即可
运行出来之后