三子棋

//新建源文件test.c
//测试三子棋游戏

#include"game.h"


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

//游戏的整个算法实现
void game()
{
  char ret = 0;
  //数组-存放走出的棋盘信息
  char board[ROW][COL] = { 0 };//全部是空格
  //初始化棋盘
  InitBoard(board, ROW, COL);
  //打印棋盘
  DisplayBoard(board,ROW,COL);
  //下棋
  while (1)
  {
    //玩家下棋
    PlayerMove(board,ROW,COL);
    DisplayBoard(board, ROW, COL);
    //判断玩家是否赢
    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
    ret=IsWin(board, ROW, COL);
    if (ret != 'C')
    {
      break;
    }
  }
  if (ret == '*')
  {
    printf("玩家赢\n");
  }
  else if (ret == '#')
  {
    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:
      game();
      break;
    case 0:
      printf("退出游戏\n");
      break;
    default:
      printf("选择错误，请重新选择！\n");
      break;
    }
  } while (input);
}

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

//新建头文件game.h
#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define ROW 3
#define COL 3

//函数声明
void InitBoard(char board[ROW][COL],int row,int col);
void DisplayBoard(char board[ROW][COL],int row,int col);
void PlayerMove(char board[ROW][COL], int row, int col);
void ComputerMove(char board[ROW][COL], int row, int col);


//告诉我们四种游戏状态
//玩家赢 -'*'
//电脑赢 -'#'
//平局   - 'Q'
//游戏继续-'C'
char IsWin(char board[ROW][COL], int row, int col);

//新建源文件game.c
#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++)
//  {
//    //1.打印一行的数据
//    printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);
//    //2.打印分割行
//    if(row-1)
//      printf("---|---|---\n");
//
//  }
//}

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++)
    {
      //1.打印一行的数据
      printf(" %c ", board[i][j]);
      if (j < col - 1)
        printf("|");
    }
    printf("\n");
    //2.打印分割行
    if (i<row - 1)
    {
      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;
  int y;
  printf("玩家走:>\n");
  while (1)
  {
    printf("请输入要下的坐标\n");
    scanf("%d%d", &x, &y);
    //判断x,y坐标的合法性
    if ((x >= 1 && x <= row) && (y >= 1 && y <= col))
    {
      if (board[x - 1][y - 1] == ' ')
      {
        board[x - 1][y - 1] = '*';
        break;
      }
      else
      {
        printf("该坐标被占用\n");
      }
    }
    else
    {
      printf("坐标非法，请重新输入!\n");
    }
  }
}


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

//返回1表示棋盘满了
//返回0表示棋盘没满
int IsFull(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; //没满
      }
    }
  }
  return 1; //满了
}

char IsWin(char board[ROW][COL], int row, int col)
{
  int i = 0;
  //横三行
  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];
    }
  }
  //竖三列
  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];

    }
  }
  //两个对角线
  if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
  {
    return board[1][1];
  }
  if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] != ' ')
  {
    return board[1][1];
  }
  //判断是否平局
  if (1 == IsFull(board, ROW, COL))
  {
    return 'Q';
  }
  return 'C';
}