C语言实现三子棋小游戏

游戏大致流程：

游戏代码：

头文件：game.h

#ifndef _GAME_H_
#define _GAME_H_

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<windows.h>

#define ROW 3
#define COL 3

void game();                                        //主游戏
void Init(char board, int row, int col);            //初始化棋盘
void ChessBoard(char board, int row, int col);      //显示棋盘
void PlayerRemove(char board, int row, int col);    //玩家走棋
void ComputerRemove(char board, int row, int col);  //电脑走棋
char IsWin(char board, int row, int col);           //判赢

#endif

源文件：game.c

#include"game.h"

void Init(char board[ROW][COL], int row, int col)           //初始化数组
{
	memset(board, ' ', sizeof(board[0][0])*row*col);
}

void ChessBoard(char board[ROW][COL], int row, int col)                //打印棋盘
{
	int i;
	int j;
	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 PlayerRemove(char board[ROW][COL], int row, int col)        //玩家走棋
{
	int x;
	int y;
	printf("玩家走棋：\n");
		while (1)
		{
			scanf("%d%d", &x, &y);
			if (x >= 1 && x <= 3 && y >= 1 && y <= 3)
			{
				if (board[x - 1][y - 1] == ' ')
				{
					board[x - 1][y - 1] = 'O';
					break;
				}
				else
				{
					printf("该位置被占用，请重新选择：\n");
				}
			}
			else
			{
				printf("位置错误，请重新输入：\n");
			}
		}
}

void ComputerRemove(char board[ROW][COL], int row, int col)      //电脑走棋
{
	int x;
	int y;
	printf("电脑走棋：\n");
	
	
	while (1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = 'X';
			break;
		}
	}
}

char IsWin(char board[ROW][COL], int row, int col)            //判赢
{
	int i = 0;
	for (; i < 3; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2])   //判断行上是否相同
		{
			if (board[i][0] == 'O')
			{
				return 'O';
			}
			if (board[i][0] == 'X')
			{
				return 'X';
			}
		}
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i])   //判断列上是否相同
		{
			if (board[0][i] == 'O')
			{
				return 'O';
			}
			if (board[0][i] == 'X')
			{
				return 'X';
			}
		}
		
	}
		if ((board[0][0] == board[1][1] && board[1][1] == board[2][2])||     //判断对角线是否相同
             (board[0][2] == board[1][1] && board[1][1] == board[2][0]))
		{
			if (board[1][1] == 'O')
			{
				return 'O';
			}
			if (board[1][1] == 'X')
			{
				return 'X';
			}
		}
		return 0;
}

void game()
{
	int count = 0;
	char board[ROW][COL];
	Init(board, ROW, COL);          //初始化

    ChessBoard(board,ROW,COL);       //打印棋盘
	while (1)
	{
		char c = 0;
		PlayerRemove(board, ROW, COL);         //玩家走棋
		count++;
		ChessBoard(board, ROW, COL);           //打印棋盘
		c = IsWin(board, ROW, COL);              //判赢
		if (c == 'O')
		{
			printf("玩家赢\n");
			return;
		}
		if(c == 'X')
		{
			printf("电脑赢\n");
			return;
		}
		if (count == 9)
		{
			printf("平局\n");
			return;
		}

		ComputerRemove(board, ROW, COL);       //电脑走棋  
		count++;
		ChessBoard(board, ROW, COL);           //打印棋盘
		c = IsWin(board, ROW, COL);            //判赢
		if (c == 'O')
		{
			printf("玩家赢\n");
			return;
		}
		if (c == 'X')
		{
			printf("电脑赢\n");
			return;
		}
		if (count == 9)
		{
			printf("平局\n");
			return;
		}
	}
}

源文件：main.c

#include"game.h"

void menu()
{
	printf("*****************************\n");
	printf("*******    1.play    ********\n");
	printf("*******    0.exit    ********\n");
	printf("*****************************\n");
	printf("请选择游戏：\n");
}

int main()
{
	srand((unsigned int)time(NULL)); 
	int input;
	do {
        menu();
	    scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		default:
			break;
		}
	} while (input);

	system("pause");
	return 0;
}