小游戏--三子棋

game.h

#ifndef __GAME_H__
#define __GAME_H__
#include<stdio.h>
#include<windows.h>
#include<time.h>
#include<stdlib.h>
#define ROW 3
#define COL 3

void InitBoard(char board[ROW][COL],int row,int col);
void DisplayBoard(char board[ROW][COL],int row,int col);
void PlayMove(char board[ROW][COL], int row, int col);
void ComeputerMove(char board[ROW][COL], int row, int col);
char CheckWin(char board[ROW][COL], int row, int col);

#endif     //与#ifndef __GAME_H__相对映

test.c

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include "game.h"
void menu()  //测试游戏的需要
{
 printf("*******************\n");
 printf("***1.play 0.exit***\n");
 printf("*******************\n");
}

void game()
{
 char win= 0;
 char board[ROW][COL] = {0};
 InitBoard(board, ROW, COL);
 DisplayBoard(board, ROW, COL);
 while (1)
 {
  PlayMove(board, ROW, COL);
  win = CheckWin(board, ROW, COL);
  if (win != ' ')
   break;

  DisplayBoard(board, ROW, COL);
  ComeputerMove(board, ROW, COL);
  win = CheckWin(board, ROW, COL);
  if (win != ' ')
   break;
  DisplayBoard(board, ROW, COL);
 }
 if (win == 'X')
 {
  printf("玩家赢\n");
 }
 else if (win == '0')
 {
  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:  //采用枚举类型  提高代码可读性
   game();
       break;
  case 0:
    break;
  default:
   printf("选择错误\n");
   break;

  }
 } while (input);
}
int main()
{
 test();  //用来测试
 
 return 0;

}

game.c

#define _CRT_SECURE_NO_WARNINGS
#include "game.h"
void InitBoard(char board[ROW][COL], int row, int col)   //函数的实现
{
 int i = 0;
 int j = 0;
 for (i = 0; i < row; i++)
  for (j = 0; j < col; j++)
  {
   board[i][j] = ' ';         //某行某元素为空格

  }
}

void DisplayBoard(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("|");//打印出第i行元素的信息
  }
  printf("\n");
  if (i < row - 1)
  {
   int j = 0;
   for (j = 0; j < col; j++)
   {
    printf("---");
    if (j < col - 1)
     printf("|");//打印出第i行元素的信息
   }
   printf("\n");
  }
   
 }
}

void PlayMove(char board[ROW][COL], int row, int col)
{
 int x = 0;
 int y = 0;
 printf("玩家走\n");
 
 while (1)
 {
  printf("请输入坐标：>");
  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] = 'X';
    break;
   }
   else
    printf("坐标被占用");

  }
  else
   printf("坐标非法");
 }

}

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

}

static IsFull(char board[ROW][COL], int row, int col) //static  保护IsFull函数
{
 int i, j = 0;
 for (i = 0; i < row; i++)
 {
  for (j = 0; j < col; j++)
  {
   if (board[i][j])
    return 0;
  }
 }
 return 1;
}

char CheckWin(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[0][i];
  }
 }
 if (board[0][0] == board[1][1] == board[2][2] && board[0][0] != ' ')
 {
  return board[0][0];
 }
 if (board[0][2] == board[1][1] == board[2][0] && board[0][0] != ' ')
 {
  return board[0][2];
 }
 if (IsFull(board, row, col))
 {
  return 'Q ';       //平局
 }
 return ' ';     //继续
}