C语言玩三子棋

思路其实并不难，首先要建立三个文件夹

game.h、game.c和test.c

#pragma once
#define ROW 3
#define COL 3
#include
#include
#include
//初始化棋盘
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);

//约定：玩家赢 - "*"
//电脑赢 - "#"
//平局 - "Q"
//继续 - "C"
char IsWin(char board[ROW][COL], int row, int col);

#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++)
	{
		//打印数据
		
		//打印分割信息
		
		int j = 0;
		for (j = 0;j < col;j++)
		{
			printf(" %c ", board[i][j]);
			if (j < col - 1)
			{
				printf("|");
			}
		}
		printf("n");
		//打印分割信息
		if (i < row - 1)
		{
			int j = 0;
			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("请输入坐标：");
		scanf_s("%d %d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= col)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("坐标被占用，不能下棋，请选择其他位置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;//0-2
	   y = rand() % col;
	   if (board[x][y] == ' ')
	   {
		   board[x][y] = '#';
		   break;
	   }
	}
}
//如果满了就返回1
//不满就返回0
IsFull(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0;i < row;i++)
	{
		int j = 0;
		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][1];
		}
	}
	//列
	int j = 0;
	for (j = 0;j < col;j++)
	{
		if (board[0][j] == board[1][j] && board[1][j] == board[2][j] && board[1][j] != ' ')
		{
			return board[1][j];
		}
	}
	//对角线
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	//没有人赢，就要平局
	if (IsFull(board, row, col))
	{
		return 'Q';
	}
	//yoxui1
	return 'C';
}

#include
#include"game.h"
void menu()
{
	printf("***************************************n");
	printf("******    1.play     0.exit      ******n");
	printf("***************************************n");
}
void game()
{
	char board[ROW][COL] = { 0 };
	InitBoard(board, ROW, COL);
	DisplayBoard(board, ROW, COL);
	char ret;
	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()
{
	srand((unsigned int)time(NULL));
	int i = 0;
	do
	{
		menu();
		printf("请输入您的选择（1/0):");
		scanf_s("%d", &i);
		switch (i)
		{
		case 1:
			game();
			break;
		case 0:
			break;
		default:
			printf("输入错误，请重新输入n");
		}
	} while (i);
	
	return 0;
}