C语言-三子棋

text.c文件

#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"

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

void game()
{
	char ret = 0;
	char board[ROW][COL] = { 0 };
	InitBoard(board, ROW, COL);
	DisplayBoard(board, ROW, COL);
	while (1)
	{
		PlayerMove(board, ROW, COL);
		// 判断输赢
		ret = IsWin(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}

		DisplayBoard(board, ROW, COL);
		ComputerMove(board, ROW, COL);
		// 判断输赢
		ret = IsWin(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}

		DisplayBoard(board, ROW, COL);
	}

	if (ret == '*')
	{
		printf("玩家赢\n");
	}
	else if (ret == '#')
	{
		printf("电脑赢\n");
	}
	else
	{
		printf("平局\n");
	}
	DisplayBoard(board, ROW, COL);
}

int main()
{
	int input = 0;
	srand((unsigned int)time(NULL));    // 设置随机数种子
	do
	{
		menu();   // 打印菜单
		printf("请选择：");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误\n");
			break;
		}
	} while (input);

	return 0;
}

game.c

#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"

void InitBoard(char board[ROW][COL], int row, int col)
{
	int i, j;
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col; j++)
		{
			board[i][j] = ' ';
		}
	}
}


//   |   |   
//---|---|---
//   |   |   
//---|---|---
//   |   |   
void DisplayBoard(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++)
		{
			printf(" %c ", board[i][j]);	
			if (j < col - 1)
			{
				printf("|");
			}
			
		}
		printf("\n");
		if (i < row - 1)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				if (j < col - 1)
				{
					printf("|");
				}
			}
			printf("\n");
		}
	}
}



void PlayerMove(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("玩家下棋：\n");

	// 判断坐标是否合法
	while (1)
	{
		printf("请输入下标：");
		scanf("%d %d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= col)
		{
			if (board[x - 1][y - 1] == ' ')   // 判断坐标是否为空
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("坐标已被占用，请重新输入\n");
			}
		}
		else
		{
			printf("坐标非法，请重新输入\n");
		}
	}

}


void ComputerMove(char board[ROW][COL], int row, int col)
{
	printf("电脑下棋：\n");
	int x = 0;
	int y = 0;

	while (1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
	}
}

// 判断棋盘满了没
// 满    1
// 不满  0
int IsFull(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 (board[i][j] == ' ')
			{
				return 0;
			}
		}
	}

	return 1;
}

char IsWin(char board[ROW][COL], int row, int col)
{
	// 行
	int i = 0;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
		{
			return board[i][0];
		}
	}

	// 列
	int j = 0;
	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];
		}
	}

	// 对角线
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ')
	{
		return board[0][0];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' ')
	{
		return board[0][2];
	}

	if (IsFull(board, row, col))
	{
		return 'Q';
	}
	return  'C';
}

game.h文件

#pragma once
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define ROW 3
#define COL 3

// 初始化期盼
void InitBoard(char board[ROW][COL], int row, int col);

// 打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col);

// 玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col);

// 电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);

// 判断输赢
// 玩家赢           ---> '*'
// 电脑赢           ---> '#'
// 平局             ---> 'Q'
// 继续（未出胜负）  ---> 'C'
char IsWin(char board[ROW][COL], int row, int col);