废话不多说，直接上代码！
 

#include<stdio.h>

#include<stdlib.h>

#include<time.h>

#define ROW 10//宏定义行数为3     ROW为行，LIE为列（不会列的英文）

#define LIE 10//宏定义列数为3,也可以改为大棋盘，但要更改游戏机制

void aBoard(char board[ROW][LIE], int row, int lie);//初始化棋子

void printBoard(char board[ROW][LIE], int row, int lie);// 打印棋盘

void Playergo1(char board[ROW][LIE], int row, int lie); //玩家1走棋

void Playergo2(char board[ROW][LIE], int row, int lie); //玩家2走棋

void Computergo(char board[ROW][LIE], int row, int lie);//电脑走

char ifWin(char board[ROW][LIE], int row, int lie);//判断输赢

void menu(void);//菜单

void test(void);//

void game1(void);//核心

void game2(void);//核心



int main(void)
{
	test();
	return 0;
}
void game1(void)
{
	char p = 0;
	char board[ROW][LIE] = { 0 };//我也不知道为什么不能用‘ ’；

	//初始化棋子为空格
	aBoard(board, ROW, LIE);
	//打印棋盘
	printBoard(board, ROW, LIE);
	while (2)//非0的数字就可以
	{
		//玩家1下棋
		Playergo1(board, ROW, LIE);
		printBoard(board, ROW, LIE);
		//判断玩家1是否胜利
		p = ifWin(board, ROW, LIE);
		if (p != 'C')
		{
			break;
		}
		//玩家2下棋
		Playergo2(board, ROW, LIE);
		printBoard(board, ROW, LIE);
		//判断玩家2是否胜利
		p = ifWin(board, ROW, LIE);
		if (p != 'C')
		{
			break;
		}
	}

	if (p == 'O')
	{
		printf("PLAY1 WIN\n");
		printf("\n");
	}
	else if (p == 'X')
	{
		printf("PLAY2 WIN！\n");
		printf("\n");
	}
}
void game2(void)
{
	char p = 0;
	char board[ROW][LIE] = { 0 };//我也不知道为什么不能用‘ ’；

	//初始化棋子为空格
	aBoard(board, ROW, LIE);
	//打印棋盘
	printBoard(board, ROW, LIE);
	while (2)//非0的数字就可以
	{
		//玩家1下棋
		Playergo1(board, ROW, LIE);
		printBoard(board, ROW, LIE);
		//判断玩家1是否胜利
		p = ifWin(board, ROW, LIE);
		if (p != 'C')
		{
			break;
		}
		//电脑下棋
		Computergo(board, ROW, LIE);
		printBoard(board, ROW, LIE);
		//判断电脑是否胜利
		p = ifWin(board, ROW, LIE);
		if (p != 'C')
		{
			break;
		}
	}

	if (p == 'O')
	{
		printf("PLAY1 WIN\n");
		printf("\n");
	}
	else if (p == 'X')
	{
		printf("COMPUTERT WIN！\n");
		printf("\n");
	}
}

//游戏菜单
void menu(void)
{
	printf("--------------------------------------------------------------\n");
	printf("--------------------------------------------------------------\n");
	printf("*****输入1.真人对战    输入2.人机大战      输入0.退出游戏*****\n");
	printf("--------------------------------------------------------------\n");
	printf("--------------------------------------------------------------\n");
}
//初始化棋盘
void aBoard(char board[ROW][LIE], int row, int lie)
{
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < lie; j++)
		{
			board[i][j] = ' ';
		}
	}
}

//打印棋盘
void printBoard(char board[ROW][LIE], int row, int lie)
{
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < lie; j++)
		{
			if (j < lie - 1)
			{
				printf(" %c |", board[i][j]);
			}
			else
				printf(" %c ", board[i][j]);
		}
		printf("\n");
		if (i < row - 1)
		{

			for (int k = 0; k < lie; k++)
			{
				if (k < lie - 1)
				{
					printf("---|");
				}
				else
				{
					printf("---");
				}
			}
		}
		printf("\n");
	}
}


//玩家1输入
void Playergo1(char board[ROW][LIE], int row, int lie)
{
	int x = 0;
	int y = 0;
	while (1)//同上
	{
		printf("\n请输入您的坐标,坐标之间需要空格间隔开\n");
		scanf_s("%d%d", &x, &y);
		printf("\n");
		//判断xy是否合法，一个是是否超出，一个是是否被占用
		if (x > 0 && x < row + 1 && y>0 && y < lie + 1)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = 'O';
				break;
			}
			else
			{
				printf("坐标被占用，请重新输入\n");
				printf("\n");

			}
		}
		else
		{
			printf("超出坐标范围，输入的横纵都坐标为1到3；\n\n");
		}
	}
}

//玩家2输入
void Playergo2(char board[ROW][LIE], int row, int lie)
{
	int x = 0;
	int y = 0;
	while (1)//同上
	{
		printf("\n请输入您的坐标,坐标之间需要空格间隔开\n");
		scanf_s("%d%d", &x, &y);
		printf("\n");
		//判断xy是否合法，一个是是否超出，一个是是否被占用
		if (x > 0 && x < row + 1 && y>0 && y < lie + 1)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = 'X';
				break;
			}
			else
			{
				printf("坐标被占用，请重新输入\n");
				printf("\n");

			}
		}
		else
		{
			printf("超出坐标范围，输入的横纵都坐标为1到3；\n\n");
		}
	}
}
//电脑人机
void Computergo(char board[ROW][LIE], int row, int lie)
{
	int x = 0;
	int y = 0;
	printf("本电脑走的飞快\n\n");
	while (1)
	{
		x = rand() % row;
		y = rand() % lie;
		if (board[x][y] == ' ')
		{
			board[x][y] = 'X';
			break;
		}
	}
}

//判断胜负
char ifWin(char board[ROW][LIE], int row, int lie)
{
	int i = 0;
	//判断行
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][2] == board[i][3] && board[i][3] == board[i][4] && board[i][1] != ' ')
		{
			return board[i][1];
		}
	}
	//判断列
	for (i = 0; i < lie; i++)
	{
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[2][i] == board[3][i] && board[3][i] == board[4][i] && board[1][i] != ' ')
		{
			return board[1][i];
		}
	}
	//判断对角线
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[2][2] == board[3][3] && board[3][3] == board[4][4] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] == board[0][3] && board[1][1] == board[3][0] && board[1][1] == board[0][4] && board[1][1] == board[4][0] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	return 'C';
}


void test(void)
{
	srand((unsigned int)time(NULL));

	int input = 0;
	do
	{
		menu();
		printf("\n");
		printf("系统提示：请选择：>>>");
		scanf_s("%d", &input);
		printf("\n");
		switch (input)
		{
		case 1:
			game1();
			break;
		case 2:
			game2();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("非法输入，请重新输入\n");
			break;
		}
	} while (input);
}