how to write a content for this game using c + + caro

#include "stdafx.h"
#include "CaroDllVS2005.h"
#include <windows.h>


#ifdef _MANAGED
#pragma managed(push, off)
#endif

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
					 )
{
    return TRUE;
}

#ifdef _MANAGED
#pragma managed(pop)
#endif

int* cells[MAX];	// ban co, cells[row][column] la quan o dong row, cot column
int X, O;			// gia tri cua quan X, O tren ban co, o rong tren ban co co gia tri la 0
int isX;			// cho biet chuong trinh la quan X (isX la true) hay O (isX la false)
int rows, columns;	// so dong, so cot cua ban co
int row, column;	// chuong trinh danh tai dong row, cot column
int quitSet;		// chuong trinh muon chiu thua set hien tai

// Duoc goi de tra ve ten cua Player
EXPORT char * GetInfor()
{
	// Sinh vien can sua ham nay de tra ve MSSV
	// Vi du: return "080001";
	
	return "<MSSV>";
}

// Duoc goi khi bat dau game
// totalSet cho biet tong so set cua game
// X cho biet so nguyen dai dien cho quan X tren ban co
// O cho biet so nguyen dai dien cho quan O tren ban co
// isX la true neu chuong trinh la quan X trong set dau tien
// first la true neu chuong trinh duoc choi truoc set dau tien, cac set sau se luan phien thay doi
// vsPerson la true neu chuong trinh choi voi nguoi
EXPORT void BeginGame(int totalSet, int X, int O, int isX, int first, int vsPerson)
{
	// Sinh vien khong can sua ham nay
	
	::X = X;
	::O = O;
}

// Duoc goi khi ket thuc game
// reason cho biet li do ket thuc game
//		1 : thang
//		2 : hue
//		3 : thua
//		4 : chiu thua (thua)
//		5 : doi thu chiu thua (thang)
//		6 : Caro Master ket thuc game (hue)
EXPORT void EndGame(int reason)
{
	// Sinh vien khong can sua ham nay
}

// Duoc goi khi bat dau set
// set cho biet la set thu may cua game (tinh tu 1)
// isX la true neu chuong trinh la quan X trong set nay
// first la true neu chuong trinh duoc danh truoc trong set nay
// ham tra ve true de chap nhan choi set nay, tra ve false neu muon dau hang set nay
EXPORT int BeginSet(int set, int isX, int first)
{
	// Sinh vien khong can sua ham nay

	::isX = isX;

	return 1;
}

// Duoc goi khi ket thuc set
// set cho biet la set thu may cua game (tinh tu 1)
// reason cho biet li do ket thuc set
//		1 : hue
//		2 : doi thu di khong hop le (thang)
//		3 : doi thu het gio (thang)
//		4 : doi thu chiu thua (thang)
//		5 : thang
//		6 : di khong hop le (thua)
//		7 : het gio (thua)
//		8 : chiu thua (thua)
//		9 : thua
//		10 : Caro Master ket thuc set (hue)
// ham tra ve true de tiep tuc choi set tiep theo, tra ve false de dau hang cac set con lai cua game
EXPORT int EndSet(int set, int reason)
{
	// Sinh vien khong can sua ham nay

	return 1;
}

// Duoc goi de yeu cau chuong trinh danh
// Dung thong tin trong cac bien sau de danh: 
//		cells:	cho biet thong tin ban co, cells[row][column] la quan o dong row, cot column
//		X, O:	cho biet gia tri cua quan X, O tren ban co, o rong tren ban co co gia tri la 0
//		isX:	cho biet chuong trinh la quan X (isX la true) hay O (isX la false)
//		rows, columns: cho biet so dong, so cot cua ban co
// Chuong trinh can xac dinh o can danh bang cach dat gia tri cua bien: row, column
// Chuong trinh dat bien quitSet thanh true neu muon chiu thua set hien tai
DWORD WINAPI Play( LPVOID lpParam ) 
{
	// Sinh vien can cai dat thuat toan danh co cua minh trong ham nay
	
	for(int r = 0; r < rows; r++)
		for(int c = 0; c < columns; c++)
			if(cells[r][c] == 0)
			{
				row = r;
				column = c;

				return 1;
			}
	return 1;
}

// Ham dieu khien chuong trinh danh co
// Sinh vien khong duoc phep sua ham nay
EXPORT int Move(int cells[][MAX], int rows, int columns, int maxTime, int &row, int &column, int &timeout)
{
	for(int i = 0; i < MAX; i++)
		::cells[i] = &(cells[i][0]);
	::rows = rows;
	::columns = columns;
	::quitSet = 0;

	DWORD id;
	HANDLE hThread = CreateThread(NULL, 0, Play, 0, 0, &id);
	DWORD r = WaitForSingleObject(hThread, maxTime);
	if(r == WAIT_TIMEOUT)
	{
		TerminateThread(hThread, 0);
		timeout = 1;

		return 1;
	}
	else
	{
		CloseHandle(hThread);
		timeout = 0;
		row = ::row;
		column = ::column;

		if(::quitSet)
			return 0;

		return 1;
	}
}