//测试部分。test.c

#define _CRT_SECURE_NO_WARNINGS 1

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


void game()
{	char board[ROW][COL];
	char ret = 0;
	init_board(board, ROW, COL);
	print_board(board, ROW, COL);
	while(1)
	{player_move(board, ROW, COL);
		print_board(board, ROW, COL);
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{	break;
		}
		computer_move(board, ROW, COL);
		print_board(board, ROW, COL);
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{	break;
		}
	}
	if (ret == '*')
		printf("玩家赢了。\n");
	else if (ret == '#')
		printf("电脑赢了。\n");
	else if (ret == 'Q')
	{printf("平局。\n");
	}
}

void test()
{srand((unsigned int)time(NULL));
	int input = 0;
	do
	{menu();
		printf("请输入:>(0/1)");
		scanf("%d", &input);
		switch (input)
		{case 1:
			game();
			break;
		case 0:
			printf("游戏结束。\n");
			break;
		default:
			printf("输入错误，请重新输入。\n");
		}
	} while (input);
}

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

//game.h

#pragma once

#include#include#include#define ROW 3
#define COL 3

void init_board(char board[ROW][COL], int row, int col);
void print_board(char board[ROW][COL], int row, int col);
void player_move(char board[ROW][COL], int row, int col);
void computer_move(char board[ROW][COL], int row, int col);
char is_win(char board[ROW][COL], int row, int col);

//game.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

void init_board(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++)
		{	board[i][j] = ' ';
		}
	}
}

void print_board(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++)
			{		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 player_move(char board[ROW][COL], int row, int col)
{printf("玩家下棋。\n");
	while (1)
	{printf("请输入要下棋的坐标:>");
		int x = 0;
		int y = 0;
		scanf("%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("该坐标已被占用，请重新输入。\n");
			}
		}
		else
		{	printf("该坐标非法。\n");
		}
	}
}

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

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

	if (is_full(board, row, col) == 1)
	{return 'Q';
	}
	return 'C';
}

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