三子棋游戏

#define _CRT_SECURE_NO_WARNINGS 1 
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define ROW 3
#define COL 3
void PlayerMove(char board[ROW][COL], int row, int col);//函数声明
void ComputerMove(char board[ROW][COL], int row, int col);
char IsWin(char board[ROW][COL], int row, int col);

void DisplayBoard(char board[ROW][COL], int row, int col)
{
  int i, j;
  for (i = 0; i < row; i++)
  {
    //1、打印一行的数据:
    for (j = 0; j < col; j++)
    {
      printf(" %c ", board[i][j]);
      if (j < col - 1)
      {
        printf("|");
      }
    }
    printf("\n");
    //2、打印分隔行:
    if (i < row - 1)
    {
      for (j = 0; j < col; j++)
      {
        printf("---");
        if (j < col - 1)
        {
          printf("|");
        }
      }
      printf("\n");
    }
  }
}
int main()
{
  srand((unsigned int)time(NULL));
  char temp=0;
//   |   |
//---|---|---
//   |   |
//---|---|---
//   |   |
  //创建棋盘:
  char board[ROW][COL] = { 0 };
  int i, j;

  //初始化棋盘:数据全设置为 空格     
  for(i=0;i<ROW;i++)
    for (j = 0; j < COL; j++)
      board[i][j] = ' ';

  //打印棋盘:
  DisplayBoard(board, ROW, COL);

  //开始下棋:
  while (1)
  {
    //玩家下棋:
    PlayerMove(board,ROW,COL);
    DisplayBoard(board, ROW, COL);
    //判断玩家是否赢
    temp=IsWin(board, ROW, COL);
    if (temp != 'C')
    {
      break;
    }

    //电脑下棋:
    ComputerMove(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    //判断电脑是否赢
    temp=IsWin(board, ROW, COL);
    if (temp != 'C')
    {
      break;
    }
  }
  if (temp == '*')
  {
    printf("玩家赢\n");
  }
  else if (temp == '#')
  {
    printf("电脑赢\n");
  }
  else
  {
    printf("平局\n");
  }

  return 0;
}

void PlayerMove(char board[ROW][COL], int row, int col)
{
  int x, y;
  printf("玩家走:>\n");

  while (1)
  {
    printf("请输入要下的坐标:>");
    scanf("%d%d", &x, &y);
    //判断x,y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("坐标错误,请重新输入:>\n");
    }
  }
  
}

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


//四种游戏状态：
//玩家赢 -- '*'
//电脑赢 -- '#'
//平局   -- 'Q'
//继续   -- 'C'
char IsWin(char board[ROW][COL], int row, int col)
{
  int i,j;
  //判断横三行:
  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];
    }
  }

  //判断竖三列:
  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];
    }
  }

  //判断两个对角线:
  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:
  for (i = 0; i < row; i++)
  {
    for (j = 0; j < col; j++)
    {
      if (board[i][j] == ' ') //棋盘没满,则继续
        return 'C';
    }
  }
  return 'Q';
}