C語言三子棋

代碼內有詳細注釋
源.c代碼如下：

#define _CRT_SECURE_NO_WARNINGS

#include"Game.h"

void Game()
{
	char result = 0;
	//創建棋盤
	char board[ROW][COL] = { 0 };
	//初始化棋盤
	Init_board(board, ROW, COL);
	//列印棋盤
	Print_board(board, ROW, COL);
	while (1)
	{
		//玩家走棋
		printf("玩家走棋：\n");
		Player_move(board, ROW, COL);
		Print_board(board, ROW, COL);
		//判斷游戲狀態 繼續 平局 玩家勝 電腦勝
		result = Game_state(board, ROW, COL);
		if (result != 'C')
		{
			break;
		}
		//電腦走棋
		printf("電腦走棋：\n");
		Computer_move(board, ROW, COL);
		Print_board(board, ROW, COL);
		//判斷游戲狀態 繼續 平局 玩家勝 電腦勝
		result = Game_state(board, ROW, COL);
		if (result != 'C')
		{
			break;
		}
	}
	if (result == 'X')
		printf("玩家勝\n");
	else if (result == 'O')
		printf("電腦勝\n");
	else
		printf("平局\n");
	printf("再來一局請輸入1，退出請輸入0\n");
}

void Menu()
{
	int input = 0;
	printf("*****************************\n");
	printf("****  1.play    2.exit   ****\n");
	printf("*****************************\n");
	do
	{
		printf("請選擇：\n");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			Game();
			break;
		case 0:
			printf("退出游戲\n");
			break;
		default:
			printf("請輸入1或0\n");
			break;
		}
	} while (input);
}

int main()
{
	//設定亂數起點
	srand(time(NULL));
	//寫一個游戲
	//列印選單
	Menu();
	return 0;
}

Game.h代碼如下：

#include<stdio.h>//NULL
#include<time.h>//time
#include<stdlib.h>//rand srand

#define ROW 3
#define COL 3

void Game();
void Init_board(char board[ROW][COL],int row, int col);
void Print_board(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 Game_state(char board[ROW][COL], int row, int col);

Game.c代碼如下：

#define _CRT_SECURE_NO_WARNINGS

#include"Game.h"

void Init_board(char board[ROW][COL],int row,int col)
{
	int i = 0;
	int	j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			board[i][j] = ' ';
		}
	}
}
void Print_board(char board[ROW][COL], int row, int col)
{
	//   |   |
	//---|---|---
	//   |   |  
	//---|---|---
	//   |   |
	int i = 0;
	int	j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			if(j == col - 1)
				printf(" %c \n", board[i][j]);
			else
				printf(" %c |", board[i][j]);
		}
		if (i < row -1)
			printf("---|---|---\n");
	}
}
void Player_move(char board[ROW][COL], int row, int col)
{
	int x = 0, y = 0;
	//判斷是否可以落子 1.可以落子 2.已占用 3.坐標非法
	while (1)
	{
		printf("請輸入要落子的坐標：\n");
		scanf("%d%d", &x, &y);
		printf("\n");
		if (x >= 1 && x <= row && y >= 1 && y <= col)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = 'X';
				break;
			}
			else
				printf("坐標已占用，請重新輸入\n");
		}
		else
			printf("坐標非法，請重新輸入\n");

	}
}
void Computer_move(char board[ROW][COL], int row, int col)
{
	int x = 0, y = 0;
	while(1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = 'O';
			break;
		}
	}
	printf("\n");
}
int Full_board(char board[ROW][COL], int row, int col)
{
	int i = 0, j = 0;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			if (board[i][j] == ' ')
				return 0;
		}
	}
	return 1;
}
char Game_state(char board[ROW][COL], int row, int col)
{
	int i = 0, j = 0;
	//判斷行是否成立
	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];
	}
	//判斷列是否成立
	for (i = 0; i < col; i++)
	{
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
			return board[0][i];
	}//判斷對角線是否成立
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
		return board[0][0];
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
		return board[0][2];
	//判斷是否平局
	if (Full_board(board, ROW, COL) == 1)
		return 'D';
	//上述情況都不成立，游戲繼續
	return 'C';
}