三子棋的實作

<game.h>

#pragma once
#define _CRT_SECURE_NO_WARNINGS 1
#pragma once

#include<stdio.h>
#include<Windows.h>
#include<stdlib.h>
#include<time.h>

#define ROW 3
#define COL 3

void InitBorad(int row, int col, char checkerboard[ROW][COL]);
void PrintBorad(int row, int col, char checkerboard[ROW][COL]);
void PlayerMove(int row, int col, char checkerboard[ROW][COL]);
void ComputerMover(int row, int col, char checkerboard[ROW][COL]);
char IsWin(int row, int col, char checkerboard[ROW][COL]);

//将所有要應用的頭檔案和函數聲明，定義的宏放在這裡，之後再再兩個源檔案那裡直接引用一個頭檔案就可以了
           

<game.c>//棋盤的初始化，列印棋盤，下棋的實作，輸赢的判斷

#include"game.h"

void InitBorad(int row, int col ,char checkerboard[ROW][COL])//初始化棋盤
{
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < col; j++)
		{
			checkerboard[i][j] = ' ';
		}
	}
}

void PrintBorad(int row, int col, char checkerboard[ROW][COL])//列印棋盤
{
	for (int i = 0; i < row; i++)
	{
		if (i == row - 1)
		{
			for (int j = 0; j < col; j++)
			{
				if (j < col - 1)
					printf(" %c |", checkerboard[i][j]);
				else
					printf(" %c ", checkerboard[i][j]);
			}
			break;
		}
		for (int j = 0; j < col; j++)
		{
			printf(" %c ", checkerboard[i][j]);
			if (j < row - 1)
				printf("|");
			else
				printf("\n");
		}
		for (int j = 0; j < col; j++)
		{
			if (j < col - 1)
				printf("---|");
			else
				printf("---\n");
		}
	}
	printf("\n");
}

void PlayerMove(int row, int col, char checkerboard[ROW][COL])//玩家輸入
{
	while (1)
	{
		int x = 0;
		int y = 0;
		printf("玩家請輸入坐标>>>");
		scanf("%d %d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= row)
		{
			if (checkerboard[x - 1][y - 1] == ' ')
			{
				checkerboard[x - 1][y - 1] = 'X';
				break;
			}
			else
				printf("該坐标被輸入，請重新輸入\n");
		}
		else
			printf("輸入坐标越界，請重新輸入\n");
	}
}

void ComputerMover(int row, int col, char checkerboard[ROW][COL])//電腦輸入
{
	printf("電腦已輸入\n");
	while (1)
	{
		
		int x = rand() % row;
		int y = rand() % col;
			if (checkerboard[x][y] == ' ')
			{
				checkerboard[x][y] = 'O';
				break;
			}
	}
}

char IsLevel(int row, int col, char checkerboard[ROW][COL])
{
	int i = 0;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < row; j++)
		{
			if (checkerboard[i][j] == ' ')
			{
				return 'C';
			}
		}
	} 
	return 'L';
}

char IsWin(int row, int col, char checkerboard[ROW][COL])//判斷誰赢
{
	int i = 0;


	for (i = 0; i < row; i++)//哪一行填滿三個同樣的,玩家赢了用'X'，電腦赢了用‘O’,平局用‘L’，繼續用‘C’
	{
		if (checkerboard[i][0] == checkerboard[i][1] && checkerboard[i][1] == checkerboard[i][2] && checkerboard[i][0] != ' ')
		{
			return checkerboard[i][0];
		}
	}
	for (i = 0; i < col; i++)// 哪一列填滿三個同樣的
	{
		if (checkerboard[0][i] == checkerboard[1][i] && checkerboard[1][i] == checkerboard[2][i] && checkerboard[0][i] != ' ')
		{
			return checkerboard[0][i];
		}
	}

	//對角線
	if (checkerboard[0][0] == checkerboard[1][1] && checkerboard[1][1] == checkerboard[2][2] && checkerboard[1][1] != ' ')
		return checkerboard[1][1];

	if (checkerboard[0][2] == checkerboard[1][1] && checkerboard[1][1] == checkerboard[2][0] && checkerboard[1][1] != ' ')
		return checkerboard[1][1];

	if (IsLevel(row, col, checkerboard) == 'L')//是否平局,判斷平局一定要放在最後面
	{
		return 'L';
	}
	return 'C';	//繼續
}
           

<test.c>//三子棋實作的流程

#include"game.h"

void menu()
{
	printf("--------------------------------------\n");
	printf("--------------------------------------\n");
	printf("----------------1.PLAY----------------\n");
    printf("----------------0.EXIT----------------\n");
	printf("--------------------------------------\n");
	printf("--------------------------------------\n");
}

void game()
{
	char checkerboard[ROW][COL];
	InitBorad(ROW, COL, checkerboard);//初始化棋盤
	PrintBorad(ROW, COL, checkerboard);//列印出棋盤
	char tmp;
	while (1)//開始下棋
	{
		PlayerMove(ROW, COL, checkerboard);
		PrintBorad(ROW, COL, checkerboard);	
		tmp = IsWin(ROW, COL, checkerboard);
			if (tmp != 'C')//判斷按是否遊戲結束
			{
				break;
			}
		ComputerMover(ROW, COL, checkerboard);
		PrintBorad(ROW, COL, checkerboard);
		tmp = IsWin(ROW, COL, checkerboard);
		    if (tmp != 'C')//判斷按是否遊戲結束
		    {
			break;
		    }
	}
	if (tmp == 'X')
	{
		printf("Winner\n");
	}
	else if (tmp == 'O')
	{
		printf("Defeat\n");
	}
	else
	{
		printf("Level\n");
	}
}

int main()
{
	int input;
	menu();
	srand((unsigned int)time(NULL));
	printf("請選擇>>>");
	scanf("%d", &input);
	while (input)
	{
		if (input == 1)
		{
			game();
			break;
		}
		else if (input == 0)
		{
			printf("正在退出遊戲");
			Sleep(500);
			break;
		}
		else
		{
			printf("輸入錯誤，請重新輸入");
		}
	}
	return 0;
}