C语言实战项目：三子棋（简单且易懂）

逃离我推掉我的手 2023-09-29 12:58 21阅读 0赞

> 本篇用c语言实现了简单的三子棋。

**代码演示（代码中附注解）：**

#define _CRT_SECURE_NO_WARNINGS 1
    
    #include<stdio.h>
    #include<stdlib.h>
    #include<stdbool.h>
    #include<time.h>
    
    #define row 3
    #define col 3
    
    //定义棋盘静态全局变量
    static char chess_board[row][col];
    
    //初始化棋盘
    void InitGame() {
    	for (int i = 0;i < row;++i) {
    		for (int j = 0;j < col;++j) {
    		    //初始化设置为空格
    			chess_board[i][j] = ' ';
    		}
    	}
    }
    
    //显示棋盘
    void ShowChessBoard() {
    	for (int i = 0;i < row;++i) {
    		printf(" %c | %c | %c \n", chess_board[i][0],
    			chess_board[i][1],
    			chess_board[i][2]);
    		if (i != 2) {
    			printf("--- --- ---\n");
    		}
    	}
    }
    
    //玩家下棋
    void PlayerMove() {
    	int m = 0;
    	int n = 0;
    	while (1) {
    		printf("请输入你要落子的坐标(格式为 坐标一+空格+坐标二)：");
    		scanf("%d %d", &m, &n);
    		if (m < 0 || m>2 || n < 0 || n>2) {
    			printf("输入的坐标只能在0~2之间！\n");
    		}
    		else if (chess_board[m][n] != ' ') {
    			printf("该处已有棋子！请重新选择。\n");
    		}
    		else {
    			chess_board[m][n] = 'O';
    			break;
    		}
    	}
    }
    
    //电脑下棋
    void ComputerMove() {
    	int m = 0;
    	int n = 0;
    	while (1) {
    		srand(time(0));
    		m = rand() % 3;
    		n = rand() % 3;//随机生成0~2的数字
    		if (chess_board[m][n] == ' ') {
    			chess_board[m][n] = '*';
    			break;
    		}
    	}
    }
    
    //判断棋盘是否满
    bool IsFullChessBoard() {
    	for (int i = 0;i < row;++i) {
    		for (int j = 0;j < col;++j) {
    			if (chess_board[i][j] == ' ') {
    				return false;
    			}
    		}
    	}
    	return true;
    }
    
    //检查结果 输出0为平局，输出*电脑赢，输出O为玩家赢
    char CheakResult() {
    
    	//判断行
    	for (int i = 0;i < row;++i) {
    		if (chess_board[i][0] == chess_board[i][1] &&
    			chess_board[i][0] == chess_board[i][2] &&
    			chess_board[i][0] != ' ') {
    			return chess_board[i][0];
    		}
    	}
    
    	//判断列
    	for (int i = 0;i < col;++i) {
    		if (chess_board[0][i] == chess_board[1][i] &&
    			chess_board[0][i] == chess_board[2][i] &&
    			chess_board[0][i] != ' ') {
    			return chess_board[0][i];
    		}
    	}
    
    	//判断斜线
    	if (chess_board[0][0] == chess_board[1][1] &&
    		chess_board[0][0] == chess_board[2][2] &&
    		chess_board[0][0] != ' ') {
    		return chess_board[0][0];
    	}
    	if (chess_board[0][2] == chess_board[1][1] &&
    		chess_board[1][1] == chess_board[2][0] &&
    		chess_board[1][1] != ' ') {
    		return chess_board[1][1];
    	}
    	return '0';
    }
    
    //开始游戏
    void StartGame() {
    
    	//初始化棋盘
    	InitGame();
    
    	//打印棋盘
    	ShowChessBoard();
    
    	bool b;
    	char r;
    	while (1) {
    
    		//玩家下棋
    		PlayerMove();
    		ShowChessBoard();
    		//判断是否下满
    		b = IsFullChessBoard();
    		//判断结果
    		r = CheakResult();
    		if (r != '0' || b) {
    			break;
    		}
    
    		//电脑下棋
    		printf("电脑落子\n");
    		ComputerMove();
    		ShowChessBoard();
    		//判断是否下满
    		b = IsFullChessBoard();
    		//判断结果
    		r = CheakResult();
    		if (r != '0' || b) {
    			break;
    		}
    	}
    
    	//判断输赢
    
    	if (r == 'O') {
    		printf("恭喜你，赢了不太聪明人机!!!\n");
    	}
    	else if (r == '*') {
    		printf("不可能，不可能，你居然会输给它!!!\n");
    	}
    	else {
    		printf("平局！");
    	}
    }
    
    int main() {
    
    	int select = 1;
    	while (select) {
    		printf("****************************************\n");
    		printf("****************************************\n");
    		printf("*         欢迎来到建议三子棋游戏       *\n");
    		printf("*         1.开始游戏     0.退出        *\n");
    		printf("****************************************\n");
    		printf("****************************************\n");
    
    		//选择是否开始玩游戏
    		printf("请输入你的选择>：");
    		scanf("%d", &select);
    		if (select == 0) {
    			break;
    		}
    
    		StartGame();
    		printf("\n");
    	}
    	printf("已结束，欢迎下次再玩！\n");
    	return 0;
    }

**ps：第一次运行可能会有一点点慢。**