C语言的三子棋,也就是井字棋。

    三子棋,程序员入门必须写的东西,包含了C语言初级阶段所有的知识点。比如:do...while()循环,while循环,for循环,if...else语句,switch语句,二维数组,函数等等,如果要写出三子棋,这些知识点必不可少。

   三子棋可以分成五步:
(1)创建一个三子棋的棋盘
(2)把棋盘打印出来
(3)电脑下棋
(4)玩家下棋
(5)判断输赢

三子棋源代码:

(1)主函数代码test.c

#include <stdio.h>
#include<windows.h>
#include<time.h>
#include"game.h"
#include<stdlib.h>
void game()
{
	int panduan = 0;
	char  gezi[ROWS][COLS] = { 0 };
	init_board(gezi, ROWS, COLS);
	display_board(gezi, ROWS, COLS);
	while (1)
	{
		printf("电脑走\n");
		computer_move(gezi, ROWS, COLS);
		display_board(gezi, ROWS, COLS);
		panduan = check_win(gezi, ROWS, COLS);
		if (panduan != 'q')
		{
			break;
		}


		printf("玩家走\n");
		player_move(gezi, ROWS, COLS);
		display_board(gezi, ROWS, COLS);
		panduan = check_win(gezi, ROWS, COLS);
		if (panduan != 'q')
		{
			break;
		}

	}
		if (panduan == '*')
		{
			printf("电脑赢了!!!!!!!!!\n");
			printf("是否重新开始?\n");
			printf("1,继续\n");
			printf("2,退出\n");
		}
		if (panduan == '0')
		{
			printf("恭喜你!你赢了!!!!!!\n");
			printf("是否重新开始?\n");
			printf("1,继续\n");
			printf("2,退出\n");
		}
		if (panduan == 'm')
		{
			printf("抱歉你和电脑打平了\n");
			printf("是否重新开始?\n");
			printf("1,继续\n");
			printf("2,退出\n");
		}

}
void memu()
{
	printf("*******************\n");	
	printf("*****  三子棋 *****\n");
	printf("*******************\n");
	printf("***** 1.play  *****\n");
	printf("***** 0.exit  *****\n");
	printf("*******************\n");

}

void test()
{
	memu();
	int input = 0;
	do
	{
		srand((unsigned)time(NULL));
		printf("请输出数字\n");
		scanf_s("%d", &input);
		switch (input)
		{
		case 0:
			printf("退出游戏\n");
			break;
		case 1:
			printf("开始游戏\n");
			game();
			break;
		default:
			printf("输入错误,请重新输入\n");
			break;
		}

	} while (input);
}

int main()
{
	 test();
     system("pause");
     return 0;
}

(2)game函数代码game.c

#include<stdio.h>
#include<time.h>
#include"game.h"
#include<stdlib.h>

void init_board(char gezi[ROWS][COLS], int rows, int cols)
{
	int i = 0;
	int j = 0;
	for (i = 0; i < rows; i++)
	{
		for (j = 0; j < cols; j++)
		{
			gezi[i][j] = ' ';
			
		}
	}
}



void display_board(char gezi[ROWS][COLS], int rows, int cols)
{
	{
		int i = 0;
		for (i = 0; i < rows; i++)
		{
			printf("|  %c |  %c |  %c |\n", gezi[i][0], gezi[i][1], gezi[i][2]);
			if (i <= rows - 1)
			{
				printf("|----|----|----|\n");
			}
		}
	}
}

(表格截图)


void computer_move(char gezi[ROWS][COLS], int rows, int cols)
{
	while (1)
	{
		int x = rand() % 3;
		int y = rand() % 3;
		if (gezi[x][y] != '*'&&gezi[x][y] != '0')
		{
			gezi[x][y] = '*';
			return;
		}
		
	}
}
(随机生成一个坐标)
void player_move(char gezi[ROWS][COLS], int rows, int cols)
{
	printf("请输出坐标:\n");
	int x = 0;
	int y = 0;
	
	do
	{
		scanf_s("%d %d", &x, &y);
		if (gezi[x - 1][y - 1] == '*')
		{
			printf("这个坐标被占了,重新输入\n");
		}
		else if ((x - 1) > 3 || (y - 1) > 3 || (x - 1) < 0 || (y - 1) < 0)
		{
			printf("输出错误,请重新输入\n");
		}
		else
		{
			gezi[x - 1][y - 1] ='0';
			break;
		}
	} while (1);

}
static int  is_full( char gezi[ROWS][COLS],int rows,int cols)\\全局静态变量是显式用static修饰的全局变量,作用域是声明此变量所在的文件,也就是只能用于check_win函数中。没有满的话返回0,满的话返回1。
{
	int i = 0;
	int j = 0;
	for (i = 0; i < rows; i++)
	{
		for (j = 0; j < cols; j++)
		{
			if (gezi[i][j] == ' ')
			{
				return 0;
			}
			
		}
	}
	return 1;
}
int check_win(char gezi[ROWS][COLS], int rows, int cols)
{
	
	int i = 0;
	int k = 1;
	for (i = 0; i < rows; i++)
	{
		if (gezi[i][0] == gezi[i][1] && gezi[i][1] == gezi[i][2] && gezi[i][1] != ' ')
		{
			return gezi[i][1];
		}
	}
	for (i = 0; i < cols; i++)
	{
		if (gezi[0][i] == gezi[1][i] && gezi[1][i] == gezi[2][i] && gezi[1][i] != ' ')
		{
			return gezi[1][i];
		}
	}
	if (gezi[0][0] == gezi[1][1] && gezi[1][1] == gezi[2][2] && gezi[1][1] != ' ')
	{
		return gezi[1][1];

	}
	if (gezi[0][2] == gezi[1][1] && gezi[1][1] == gezi[2][0] && gezi[1][1] != ' ')
	{
		return gezi[1][1];

	}
	if (is_full(gezi, rows, cols)==1)
	{
		return 'm';
	}
	return 'q';
}

(3)game函数头文件game.h

#ifndef _Game_H_  
#define _Game_H_  

#define ROWS 3


#define COLS 3

void init_board(char gezi[ROWS][COLS], int rows, int cols);
void display_board(char gezi[ROWS][COLS], int rows, int cols);
void computer_move(char gezi[ROWS][COLS], int rows, int cols);
void player_move(char gezi[ROWS][COLS], int rows, int cols);
int check_win(char gezi[ROWS][COLS], int rows, int cols);
#endif 

代码演示:

(1)玩家赢



(2)电脑赢


(3)平局


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转载自blog.csdn.net/oldwang1999/article/details/79822874