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c语言实现三子棋,玩家与电脑对战(电脑为随机走棋)

目录

1.game.h头文件定义

2.在test.c文件引用定义主函数,设计游戏流程,选择游戏开始或结束;

3.在game.h文件定义game()函数的相关函数;

4.在test.c文件中编写game()函数的运行流程

5.在game.c文件中编写打印棋盘函数DisplayBoard

6.在game.c文件中编写玩家走棋函数player_move

7.在game.c文件中编写电脑走棋函数computer_move

8.在game.c文件中编写输赢判断函数is_win

9.在test.c文件里设计game()函数流程

11.完整代码:


思路:

1.创建game.h头文件,声明函数;

2.创建game.c文件,编写游戏函数;

3.创建test.c文件,进行游戏测试。

步骤:

1.game.h头文件定义

#include<stdio.h>
#include<time.h>
#include<windows.h>

#define ROW 3
#define COL 3 //改变参数便可轻松改变棋盘的大小

2.在test.c文件引用定义主函数,设计游戏流程,选择游戏开始或结束

#include "game.h"

void menu()
{
    printf("*************************\n");
    printf("********  1.play  *******\n");
    printf("********  0.exit  *******\n");
    printf("*************************\n");
}

int main()
{
    int input;
    do
    {
        menu();
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            printf("三子棋:\n");
            //game();//游戏运行的函数
            break;
        case 0:
            printf("退出游戏\n");
            break;
        default:
            printf("输入错误\n");
            break;
        }
    } while (input);
    return 0;
}

3.在game.h文件定义game()函数的相关函数

void InitBoard(char board[ROW][COL], int row, int col);//初始化棋盘

void DisplayBoard(char board[ROW][COL], int row, int col);//打印棋盘

void player_move(char board[ROW][COL], int row, int col);//玩家走棋

void computer_move(char board[ROW][COL], int row, int col);//电脑走棋

char is_win(char	board[ROW][COL], int row, int col);//根据返回值判断输赢或者继续走棋

4.在test.c文件中编写game()函数的运行流程

在game.c文件中编写game()函数中包含的具体函数(在game.h文件中定义的函数),首先编写棋盘初始化函数InitBoard,将棋盘初始化为空白;

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

5.在game.c文件中编写打印棋盘函数DisplayBoard

void DisplayBoard(char board[ROW][COL], int row, int col)
{
	int i, j;
	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)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				if (j < col - 1)
				{
					printf("|");
				}
			}
		}
		printf("\n");
	}
}

6.在game.c文件中编写玩家走棋函数player_move

void player_move(char board[ROW][COL], int row, int col)
{
	int x, y;
	printf("玩家走棋\n");
	while (1)
	{
		printf("请输入坐标:>");
		scanf("%d%d", &x, &y);
		if (x >= 1 && x <= ROW && y >= 1 && y <= 3)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				DisplayBoard(board, ROW, COL);//成功走完一步就打印一次棋盘并退出
				break;
			}
			else
			{
				printf("改坐标已被占用,请重新输入\n");
			}
		}
		else
		{
			printf("输入错误,请重新输投入\n");
		}
	}
}

7.在game.c文件中编写电脑走棋函数computer_move

电脑为随机走棋,并不会阻截或进攻(此函数用到随机数)

先在主函数写srand()函数,用到时间戳概念:

srand((unsigned int)time(NULL));

再编写computer_move函数:

void computer_move(char board[ROW][COL], int row, int col)
{
	printf("电脑走棋\n");
	while (1)
	{
		int x = rand() % 3;
		int y = rand() % 3;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			printf("电脑走棋走棋坐标:>%d %d\n", x+1, y+1);
			DisplayBoard(board, ROW, COL);//成功走完一步就打印一次棋盘并退出
			break;
		}
	}
}

8.在game.c文件中编写输赢判断函数is_win

返回值为*则玩家赢,返回值为#则电脑赢,返回值为Q则平局,返回值为C则继续下棋,再在game.c文件中编写is_full函数,判断是否平局

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

char is_win(char board[ROW][COL], int row, int col)
{
	int i;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ')
		{
			return board[i][0];//判断行
		}
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
		{
			return board[0][i];//判断列
		}
	}
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (is_full(board, row, col) == 1)
	{
		return 'Q';
	}
	return 'C';
}

9.在test.c文件里设计game()函数流程

void game()
{
    char board[ROW][COL] = { 0 };
    char ret;
    InitBoard(board, ROW, COL);  //初始化棋盘
    DisplayBoard(board, ROW, COL);//打印棋盘
    while (1)
    {
        player_move(board, ROW, COL);//设玩家玩家走棋为'*'
        ret = is_win(board, ROW, COL);//判断输赢
        if (ret != 'C')
        {
            break;
        }
        computer_move(board, ROW, COL);//设电脑走棋为'#'
        ret = is_win(board, ROW, COL);//判断输赢
        if (ret != 'C')
        {
            break;
        }
    }
    if (ret == '*')
    {
        printf("玩家赢了\n");
    }
    else if (ret == '#')
    {
        printf("电脑赢了\n");
    }
    else if (ret == 'Q')
    {
        printf("平局\n");
    }
}

10.棋盘完善

这个时候已经可以开始下棋了,但是这样下棋每走一步就会打印出一个新的棋盘,不太符合现实下棋的感觉,所以在打印棋盘的函数DisplayBoard中可以加上#include<windows.h>头文件的Sleep函数和system("cls")清屏函数

    Sleep(1000);
	system("cls");

11.完整代码:

game.h文件:

#pragma once

#include<stdio.h>
#include<time.h>
#include<windows.h>

#define ROW 3
#define COL 3

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

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

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

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

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

game.c源文件:

#include"game.h"

void InitBoard(char board[ROW][COL], int row, int col)
{
	int i, j;
	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)
{
	int i, j;
	Sleep(1000);
	system("cls");
	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)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				if (j < col - 1)
				{
					printf("|");
				}
			}
		}
		printf("\n");
	}
}

void player_move(char board[ROW][COL], int row, int col)
{
	int x, y;
	printf("玩家走棋\n");
	while (1)
	{
		printf("请输入坐标:>");
		scanf("%d%d", &x, &y);
		if (x >= 1 && x <= ROW && y >= 1 && y <= 3)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				DisplayBoard(board, ROW, COL);//成功走完一步就打印一次棋盘并退出
				break;
			}
			else
			{
				printf("改坐标已被占用,请重新输入\n");
			}
		}
		else
		{
			printf("输入错误,请重新输投入\n");
		}
	}
}

void computer_move(char board[ROW][COL], int row, int col)
{
	printf("电脑走棋\n");
	while (1)
	{
		int x = rand() % 3;
		int y = rand() % 3;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			printf("电脑走棋走棋坐标:>%d %d\n", x+1, y+1);
			Sleep(1000);
			DisplayBoard(board, ROW, COL);//成功走完一步就打印一次棋盘并退出
			break;
		}
	}
}

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

char is_win(char board[ROW][COL], int row, int col)
{
	int i;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ')
		{
			return board[i][0];//判断行
		}
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
		{
			return board[0][i];//判断列
		}
	}
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (is_full(board, row, col) == 1)
	{
		return 'Q';
	}
	return 'C';
}

test.c文件:

#include "game.h"

void menu()
{
    printf("*************************\n");
    printf("********  1.play  *******\n");
    printf("********  0.exit  *******\n");
    printf("*************************\n");
}

void game()
{
    char board[ROW][COL] = { 0 };
    char ret;
    InitBoard(board, ROW, COL);  //初始化棋盘
    DisplayBoard(board, ROW, COL);//打印棋盘
    while (1)
    {
        player_move(board, ROW, COL);//设玩家玩家走棋为'*'
        ret = is_win(board, ROW, COL);//判断输赢
        if (ret != 'C')
        {
            break;
        }
        computer_move(board, ROW, COL);//设电脑走棋为'#'
        ret = is_win(board, ROW, COL);//判断输赢
        if (ret != 'C')
        {
            break;
        }
    }
    if (ret == '*')
    {
        printf("玩家赢了\n");
    }
    else if (ret == '#')
    {
        printf("电脑赢了\n");
    }
    else if (ret == 'Q')
    {
        printf("平局\n");
    }
}

int main()
{
    int input;
    srand((unsigned int)time(NULL));
    do
    {
        menu();
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            printf("三子棋:\n");
            game();
            break;
        case 0:
            printf("退出游戏\n");
            break;
        default:
            printf("输入错误\n");
            break;
        }
    } while (input);
    return 0;
}
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