五子棋（C语言）

目录

game.h

game.c

test.c

功能测试

---

       我们需要一个二维数组去储存当前的棋盘状态，然后打印出来。
  我们游戏的逻辑是初始化棋盘，打印棋盘，人下棋，打印棋盘，判断是否游戏结束，电脑下棋，打印棋盘，判断是否游戏结束，然后回到人下棋过程，结束游戏后，判断谁赢谁输还是平局。
  判断输赢的逻辑是遍历行，遍历列，遍历主对角线，遍历反对角线，如果都判断不出输赢，那么就继续游戏。

game.h

#include 
#include 
#include 

//棋盘大小
#define ROW 10
#define COL 10

//初始化
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
char IsWin(char board[ROW][COL], int row, int col);

game.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

void InitBoard(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 DisplayBoard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		//1.打印一行的数据 
		int j = 0;
		for (j = 0; j < col; j++)
		{
			printf(" %c ", board[i][j]);
			if (j < col - 1)
			{
				printf("|");
			}
		}
		printf("\n");
		//2.打印分割行
		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");
	while (1)
	{
		printf("请输入要下的坐标:>");
		scanf("%d%d", &x, &y);
		//判断x,y坐标的合法性
		if ((x >= 1 && x <= row) && (y >= 1 && y <= col))
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("该坐标被占用\n");
			}
		}
		else
		{
			printf("坐标非法,请重新输入:\n");
		}       
	}
}

void ComputerMove(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("电脑下棋:>\n");
	while (1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
		
	}
}

//返回1表示棋盘满了
//返回0表示棋盘没满
static 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;//没满
			}
		}
	}
	return 1;//满了
}

char IsWin(char board[ROW][COL], int row, int col)
{
	int i = 0;
	int j = 0;
	//横
	for (i = 0; i < row; i++)
	{
		for (j = 0; j < col - 4; j++)
		{
			if (board[i][j] == board[i][j + 1] && board[i][j + 1] == board[i][j + 2] 
				&& board[i][j + 2] == board[i][j + 3] && board[i][j + 3] == board[i][j + 4]
				&& board[i][j] != ' ')
			{
				return board[i][j];
			}
		}
	}

	//竖
	for (i = 0; i < row - 4; i++)
	{
		for (j = 0; j < col; j++)
		{
			if (board[i][j] == board[i + 1][j] && board[i + 1][j] == board[i + 2][j]
				&& board[i + 2][j] == board[i + 3][j] && board[i + 3][j] == board[i + 4][j]
				&& board[i][j] != ' ')
			{
				return board[i][j];
			}
		}
	}

	//两个对角线
	for (i = 0; i < row - 4; i++)
	{
		for (j = 0; j < col - 4; j++)
		{
			if (board[i][j] == board[i + 1][j + 1] && board[i + 1][j + 1] == board[i + 2][j + 2]
				&& board[i + 2][j + 2] == board[i + 3][j + 3] && board[i + 3][j + 3] == board[i + 4][j + 4]
				&& board[i][j] != ' ')
			{
				return board[i][j];
			}
		}
	}

	for (i = 0; i < row - 4; i++)
	{
		for (j = col-1; j >= 4; j--)
		{
			if (board[i][j] == board[i + 1][j - 1] && board[i + 1][j - 1] == board[i + 2][j - 2]
				&& board[i + 2][j - 2] == board[i + 3][j - 3] && board[i + 3][j - 3] == board[i + 4][j - 4]
				&& board[i][j] != ' ')
			{
				return board[i][j];
			}
		}
	}
	
	//判断是否平局
	if (1 == IsFull(board, ROW, COL))
	{
		return 'Q';
	}
	return 'C';
}

test.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

void menu()
{
	printf("***********************\n");
	printf("*******五子棋游戏*******\n");
	printf("**** 1.play  0.exit ***\n");
	printf("***********************\n");
}

// # | * |
//---|---|---
// * |   |
//---|---|---
//   |   |   
// 
//告诉我们四种游戏的状态
//玩家赢-'*'
//电脑赢-'#'
//平局  -'Q'
//继续  -'C'


//游戏的整个算法实现
void game()
{
	char  ret = 0;//接收四种状态的返回值
	//数组-存放走出的棋盘信息
	char board[ROW][COL] = { 0 };//全部空格
	InitBoard(board, ROW, COL);//初始化棋盘
	//打印棋盘
	DisplayBoard(board, ROW, COL);
	//下棋
	while (1)
	{
		//玩家下棋
		PlayerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		//判断玩家是否赢
		ret = IsWin(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}
		//电脑下棋
		ComputerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		//判断电脑是否赢
		ret = IsWin(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}
	}
	if (ret == '*')
	{
		printf("玩家赢\n");
	}
	else if (ret == '#')
	{
		printf("电脑赢\n");
	}
	else
	{
		printf("平局\n");
	}
}

void test()
{
	int input = 0;
	srand((unsigned int)time(NULL));
	do
	{
		menu();
		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,请重新选择!\n");
				break;
		}
	} while (input);
}

int main()
{
	test();
	return 0;
}

功能测试