C语言实现三子棋

#define _CRT_SECURE_NO_WARNINGS 1
#define ROW  3
#define COL  3
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
void menu()
{
  printf("****************************************\n");
  printf("***********     1.Play       ***********\n");
  printf("***********     0.Exit       ***********\n");
  printf("****************************************\n");
}
void Init_board(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 Display_board(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++)
//    {
//      printf("%c", board[i][j]);
//    }
//    printf("\n");
//  }
//}
//void Display_board(char board[ROW][COL], int row, int  col)
//{
//  int i = 0;
//  int j = 0;
//  for (i = 0; i < row; i++)
//  {
//    //先打印数据
//    printf(" %c | %c | %c\n ", board[i][0], board[i][1], board[i][2]);
//    //再打印分割行
//    if (i < row - 1)
//    {
//      printf("---|---|---\n");
//    }
//  }
//}以上俩个显示函数，第一个并不能显示初始化时的界面，结果是一片空白
//第二个函数，当用户要求玩三子棋以上，比如五子棋的时候，并不能满足要求
void Display_board(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++)
    {
      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)
{
  int x = 0;
  int y = 0;
  printf("玩家下棋:>\n");
  while (1)
  {
    printf("请输入要下棋的坐标,用空格分开:>");
    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("您输入的坐标已经被棋子占有，请重新输入坐标，用空格分开:>");
      }
    }
    else
    {
      printf("坐标输入非法，请重新输入:>");
    }
  }
}
//电脑随机下棋
void Computer_Move(char board[ROW][COL], int  row, int  col)
{
  printf("电脑下棋:>\n");
  int x = 0;
  int y = 0;
  while (1)
  {
    x = rand() % row;
    y = rand() % col;
    if (board[x][y] == ' ')
    {
      board[x][y] = '#';
      break;
    }
  }
}
//下面这个函数是为了方便判断是否是平局而设计，因为当平局时，棋盘上面所有的坐标都已有了元素
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 Judge_Win_or_Fail(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[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))
  {
    return 'Q';
  }
  return 'C';
}
void game()
{
  char ret = 0;
  char board[ROW][COL];
  //初始化并显示初始化界面
  Init_board(board, ROW, COL);
  Display_board(board, ROW, COL);
  //开始下棋
  while (1)
  {
    Player_Move(board, ROW, COL);
    Display_board(board, ROW, COL);
    //判断输赢
    ret = Judge_Win_or_Fail(board, ROW, COL);
    if (ret != 'C')
    {
      break;
    }
    Computer_Move(board, ROW, COL);
    Display_board(board, ROW, COL);
    ret = Judge_Win_or_Fail(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");
  }
}
int main()
{
  int input = 0;
  srand((unsigned int)time(NULL));//设置随机种子生成器，为后面的电脑随机下棋做准备
  do
  {
    menu();
    printf("请选择:>");
    scanf("%d", &input);
    switch (input)
    {
    case 1:
      game();
      break;
    case 0:
      printf("您已退出游戏\n");
      break;
    default:
      printf("选择错误，请重新选择:>");
      break;
    }
  } while (input);
  return 0;
}