C语言实现三子棋

//主函数
#include "game.h"
int main() {
	int input = 0;
	srand(time(NULL));  //利用时间戳生成随机数
	do {
		menu();  //打印菜单
		scanf("%d", &input); //输入1开始游戏,0退出游戏
		if (input)
			game();   
		else {
			printf("退出游戏\n");
			break;
		}
	} while (input);
	return 0;
}

//game()函数
#include "game.h"
void menu() {
	printf("*******************************\n");
	printf("***1.start************0.exit***\n");
	printf("*******************************\n");
	printf("请选择\n");
}
void initboard(int board[ROW][COL]) {
	//初始化board数组每个元素为空格(不初始化,会导致打印棋盘时出现问题)
	int i = 0;
	for (i = 0; i < ROW; i++) {
		int j = 0;
		for (j = 0; j < COL; j++) {
			board[i][j] =' ';
		}
	}
}
void printboard(int board[ROW][COL]) {
	int i = 0;
	for (i = 0; i < ROW; i++) {
		int j = 0;
		for (j = 0; j < COL; j++) {
			//打印1行
			printf("%c ", board[i][j]);
			if (j < COL - 1)
				printf("|");   //打印竖向分割线
		}
		printf("\n");   //第一行打印完,换行
		if (i < ROW - 1)
			for (j = 0; j < COL; j++) {
				printf("--");   //打印横向分割线
				if (j < COL - 1)
					printf("|");  //打印竖向分割线
			}
		printf("\n");  //一行分割线打印完,换行
	}
}
void player_move(int board[ROW][COL]) {
	int r = 0;
	int c = 0;
	printf("请输入坐标\n");
	scanf("%d %d", &r, &c);
	if (board[r - 1][c - 1] ==' ')
		board[r - 1][c - 1] ='*';
	else
		printf("请重新输入\n");
}
char judge(int board[ROW][COL]) {
	int i = 0;
	int j = 0;
	char tmp = '!';   //表示棋盘已经下满了
	//判断是否有三个相同的在一行
	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];
	}
	//判断是否有三个相同的在一列
	for (j = 0; j < COL; j++) {
		if ((board[0][j] == board[1][j]) && (board[1][j] == board[2][j]) && (board[0][j] != ' '))
			return board[0][j];
	}
	//判断对角线是否有三个相同的
	if ((board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ') || (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' '))
		return board[1][1];
	for (i = 0; i < ROW; i++) {
		for (j = 0; j < COL; j++) {
			//遍历每个元素,若都不为空格,则为平局
			if (board[i][j] == ' ')
				tmp = '@';   //来表示棋盘没下满
		}
	}
	return tmp;  
}
void print_winner(char rst) {
	if (rst == '*') {
			printf("YOU WIN\n");
	}
		else if (rst == '#') {
			printf("YOU LOSE\n");
		}
		else if (rst == '!') {
			printf("平局\n");
		}
}
void AI_move(int board[ROW][COL]) {
	printf("电脑下棋\n");
	while (1) {
		int r = rand() % 3;  //随机数取余3,得到0-2的数
		int c = rand() % 3;
		if (board[r][c] == ' ') {
			board[r][c] = '#';
			break;
		}
	}
}
void game() {
	printf("开始游戏\n");
	//初始化棋盘
	int board[ROW][COL] = { 0 };
	initboard(board);
	//打印初始化棋盘
		printboard(board);
		while (1) {
		//玩家下棋
		player_move(board);
		printboard(board);
		//判断
		char rst = judge(board);
		print_winner(rst);
		if ((rst == '*' )||(rst == '#')||(rst == '!'))
			break;
		//电脑下棋
		AI_move(board);
		printboard(board);
		//判断
		rst = judge(board);
		print_winner(rst);
		if ((rst == '*') || (rst == '#') || (rst == '!'))
			break;
	}
}
//声明函数的头文件
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <time.h>
#define ROW 3
#define COL 3
void menu();
void game();
void initboard(int board[ROW][COL]);
void printboard(int board[ROW][COL]);
void player_move(int board[ROW][COL]);
char judge(int board[ROW][COL]);
void print_winner(char ret);
void player_move(int board[ROW][COL]);