和智障电脑下盘棋吧（C语言）

#include <iostream>
#include <stdlib.h>
#include <time.h>
using namespace std;
#define ROW 3
#define COL 3
void game();
int IsFull(int board[ROW][COL], int row, int col);
void Init(int board[ROW][COL], int row, int col);
void Display(int board[ROW][COL],int row, int col);
void Player(int board[ROW][COL], int row, int col);
void Computer(int board[ROW][COL], int row, int col);
char IsWin(int board[ROW][COL], int row, int col);
void menu();
int main()
{
  menu();
  int input = 0;
  do
  {
    scanf("%d", &input);
    switch (input)
    {
    case 1:
      printf("begin game!\n");
      game();
      break;
    case 0:
      break;
    default:
      printf("wrong,please reput!\n");
      break;
    }
  } while (input);
  return 0;
}
void menu()
{
  printf("***************************\n");
  printf("********   1.play  ********\n");
  printf("********   0.exit  ********\n");
  printf("***************************\n");
}
#include "game.h"
void game()
{
  int board[ROW][COL];
  int row = ROW;
  int col = COL;
  srand((unsigned int)time(NULL));
  char ret = 0;
  Init(board, row, col);
  while (1)
  { 
    //player
    Player(board, row, col);
    Display(board, row, col);
    ret = IsWin(board, row, col);
    if (ret != 'C')
      break;
    //Computer
    printf("电脑落子：->\n");
    Computer(board, row, col);
    Display(board, row, col);
    ret = IsWin(board, row, col);
    if (ret != 'C')
      break;  
  }
  if (ret == '@')
  {
    printf("WINNER:Player!\n");
  }
  else if (ret == '$')
  {
    printf("WINNER:Computer!\n");
  }
  else
  {
    printf("ping---\n");
  }
}
void Init(int board[ROW][COL],int row,int col)
{
  for (int i = 0; i < row; i++)
  {
    for (int j = 0; j < col; j++)
    {
      board[i][j] = ' ';
    }
  }
}
void Player(int board[ROW][COL], int row, int col)
{
  int x = 0;
  int y = 0;
  while (1)
  {
    printf("玩家落子：->\n");
    scanf("%d %d", &x, &y);
    if (x >= 1 && x <= row && y >= 1 && y <= col)
    {
      if (board[x - 1][y - 1] == ' ')
      {
        board[x - 1][y - 1] = '@';
        break;
      }
      else
      {
        printf("这里下过了，换个地方下吧！\n");
      }
    }
    else
    {
      printf("输入非法，重新输入！\n");
    }   
  }
}
void Computer(int board[ROW][COL], int row, int col)
{
  while (1)
  {
    int x = rand() % ROW;
    int y = rand() % COL;
    if (board[x][y] == ' ')
    {
      board[x][y] = '$';
      break;
    }
  }
}
int IsFull(int 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++)
    {
      if (board[i][j] == ' ')
      {
        return 0;
      }
    }
  }
  return 1;
}
char IsWin(int board[ROW][COL], int row, int col)
{
  //ROW
  int flag = 1;
  int i = 0;
  for (i = 0; i < row; i++)
  {
    for (int j = 0; j < col - 1; j++)
    {
      if (board[i][j] == board[i][j + 1] && board[i][j] != ' ')
      {
        ;
      }
      else
      {
        flag = 0;
      }
    }
    if (flag == 1)
    {
      return board[i][0];
    }
    flag = 1;
  }
  //COL
  flag = 1;
  for (i = 0; i < row; i++)
  {
    for (int j = 0; j < col - 1; j++)
    {
      if (board[j][i] == board[j+1][i] && board[j][i] != ' ')
      {
        ;
      }
      else
      {
        flag = 0;
      }
    }
    if (flag == 1)
    {
      return board[0][i];
    }
    flag = 1;
  }
  //对角线
  flag = 1;
  for (int k = 0; k < ROW - 1; k++)
  {
    if (board[k][k] == board[k + 1][k + 1] && board[1][1] != ' ')
      ;
    else
      flag = 0;
  }
  if (flag == 1)
  {
    return board[row/2][col/2];
  }
  //col
  flag = 1;
  int k, t;
  for( k = 0,t = col - 1; k < col - 1; k++, t--)
  {
    if (board[k][t] == board[k + 1][t - 1] && board[0][col - 1] != ' ')
      ;
    else
      flag = 0;
  }
  if (flag == 1)
  {
    return board[0][COL-1];
  }
  //Ping
  if (IsFull(board, row, col) == 1)
  {
    return 'Q';
  }
  //继续
  return 'C';
}
void Display(int board[ROW][COL], int row, int col)
{
  for (int i = 0; i < row; i++)
  {
    for (int j = 0; j < col; j++)
    {
      printf(" %c ", board[i][j]);
      if (j < row - 1)
        printf("|");
    }
    printf("\n");
    for (int i = 0; i < row; i++)
    {
      printf("---");
      if (i < row - 1)
        printf("|");
    }
    printf("\n");
  }
}