三子棋代码（包括test.c、game.c、game.h ）

#define _CRT_SECURE_NO_WARNINGS1
#include "game.h"
voidmenu()
{
  printf("******************************\n");
  printf("******    1. play        *****\n");
  printf("******    0. exit        *****\n");
  printf("******************************\n");
}
​
voidgame()
{
  //存储数据 - 二维数组
  charboard[ROW][COL];
  //初始化棋盘 - 初始化空格
  InitBoard(board, ROW, COL);
​
  //打印一下棋盘 - 本质是打印数组的内容
  DisplayBoard(board, ROW, COL);
  charret = 0;//接受游戏状态
  while(1)
  {
    //玩家下棋
    PlayerMove(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    //判断玩家是否赢得游戏
    ret = IsWin(board, ROW, COL);
    if(ret != 'C')
      break;
    //电脑下棋
    ComputerMove(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    //判断电脑是否赢得游戏
    ret = IsWin(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
  {
    printf("平局\n");
  }
  DisplayBoard(board, ROW, COL);
}
​
intmain()
{
  intinput = 0;
  srand((unsigned int)time(NULL));
​
  do
  {
    menu();
    printf("请选择:>");
    scanf("%d", &input);
    switch(input)
    {
    case1:
      game();
      break;
    case0:
      printf("退出游戏\n");
      break;
    default:
      printf("选择错误，重新选择\n");
      break;
    }
  } while(input);
​
  return0;
}
​
#define _CRT_SECURE_NO_WARNINGS1
​
#include "game.h"
​
​
​
voidInitBoard(char board[ROW][COL], int row, int col)
{
  inti = 0;
  intj = 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++)
//  {
//    printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);
//    if(i<row-1)
//      printf("---|---|---\n");
//  }
//}
//
​
​
voidDisplayBoard(char board[ROW][COL], int row, int col)
{
  inti = 0;
  for(i = 0; i < row; i++)
  {
    intj = 0;
    for(j = 0; j < col; j++)
    {
      printf(" %c ", board[i][j]);
      if(j<col-1)
        printf("|");
    }
    printf("\n");
    if(i < row- 1)
    {
      intj = 0;
      for(j = 0; j < col; j++)
      {
        printf("---");
        if(j<col-1)
          printf("|");
      }
      printf("\n");
    }
  }
}
​
​
voidPlayerMove(char board[][COL], int row, int col) 
{
  intx = 0;
  inty = 0;
​
  printf("玩家走:>\n");
​
  while(1)
  {
    printf("请输入下棋的坐标:>");
    scanf("%d %d", &x, &y);
    //判断坐标合法性
    if(x >= 1 && x <= row&& y >= 1 && y <= col)
    {
      //下棋
      //坐标是否被占用
      if(board[x - 1][y - 1] == ' ')
      {
        board[x - 1][y - 1] = '*';
        break;
      }
      else
      {
        printf("坐标被占用, 请重新输入\n");
      }
    }
    else
    {
      printf("坐标非法, 请重新输入\n");
    }
  }
}
​
voidComputerMove(char board[ROW][COL], int row, int col)
{
  printf("电脑走:>\n");
​
  while(1)
  {
    intx = rand() % row;
    inty = rand() % col;
​
    //判断占用
    if(board[x][y] == ' ')
    {
      board[x][y] = '#';
      break;
    }
  }
}
​
​
intIsFull(char board[ROW][COL], int row, int col)
{
  inti = 0;
  intj = 0;
  for(i = 0; i < row; i++)
  {
    for(j = 0; j < col; j++)
    {
      if(board[i][j] == ' ')
        return0;//棋盘没满
    }
  }
​
  return1;//棋盘满了
}
charIsWin(char board[ROW][COL], int row, int col)
{
  inti = 0;
  //判断三行
  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];//
    }
  }
​
  //判断三列
  for(i = 0; i < col; i++)
  {
    if(board[0][i] == board[1][i] && board[1][i] == board[2][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[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];
  }
​
  //判断平局
  //如果棋盘满了返回1， 不满返回0
  intret = IsFull(board, row, col);
  if(ret == 1)
  {
    return 'Q';
  }
​
  //继续
  return 'C';
}
​
#pragma once
​
//头文件包含
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
​
​
//符号的定义
#define ROW3
#define COL3
​
//函数的声明
​
//初始化棋盘的
voidInitBoard(char board[ROW][COL], int row, int col);
​
//打印棋盘的函数
voidDisplayBoard(char board[ROW][COL], int row, int col);
​
//玩家下棋
voidPlayerMove(char board[ROW][COL], int row, int col);
​
//电脑下棋
voidComputerMove(char board[ROW][COL], int row, int col);
​
//
//1. 玩家赢了 - *
//2. 电脑赢了 - #
//3. 平局 - Q
//4. 游戏继续 - C
​
//判断游戏是否有输赢
charIsWin(char board[ROW][COL], int row, int col);