#include?
#include??????//?for?rand（）?and?srand（）?and?exit（）
#include????????//?for?time（）
#include???????//?for?getch（）
#include?????//?for?system（）
#include	//windows環境下socket，需要的頭文件

#pragma?comment（lib“ws2_32.lib“）	//添加庫文件，引入網絡相關API的支持


void?init（void）;??????//?初始化數組跟賦值第一個隨機二維數組元素
void?draw（void）;??????//?繪制4?*?4方格圖
void?play（void）;??????//?控制移動方向
void?to_up（void）;?????//?向上移動
void?to_down（void）;??//?像下移動
void?to_left（void）;???//?向左移動
void?to_right（void）;??//?向右移動
void?add_number（void）;??//?加新的數

int?a[4][4];????????????????????//格子
int?empty;??????????????????????//空格子的個數

int?main（void）?{
????printf（“****************************\n“）;
????printf（“????????????2048????????????\n\n“）;
????printf（“Control?by:\n“
????????????“?w/s/a/d?or?W/S/A/D\n“）;
????printf（“press?q?or?Q?quit?game!\n“）;
????printf（“****************************\n“）;
???????printf（“Press?1?to?enter?SINGLE?mode?!\n“）;
????printf（“Press?2?to?enter?DOUBLE?mode?!\n“）;
????int?ch?=?getch（）;
????if?（ch?==?‘2‘）
????????double_mode（）;
????else?if?（ch?==?‘1‘）{
????????system（“cls“）;??????????//清屏
????????printf?（“***********************************************\n“）;
????????printf?（“Please?Choose?difficulty?level?of?SINGLE?mode!:\n“）;
????????printf?（“1?:?Easy\n“）;
????????printf?（“2?:?Medium\n“）;
????????printf?（“3?:?Difficult\n“）;
????????printf?（“***********************************************\n“）;
????????int?mode?=?getch（）;
????????int?score;
????????char?*difficulty;
????????switch（mode）?{??????????????//難易程度選擇
????????????case?‘1‘:
????????????????score?=?64;
????????????????difficulty?=?“Easy“;
????????????????break;
????????????case?‘2‘:
????????????????score?=?1024;
????????????????difficulty?=?“Medium“;
????????????????break;
????????????case?‘3‘:
????????????????score?=?2048;
????????????????difficulty?=?“Difficult“;
????????????????break;
????????????default:
????????????????printf（“Please?input?right?type?!\n“）;
????????????????return?0;
????????}
????????system（“cls“）;
????????printf?（“Welcome?to?%s?level?of?Single?mode\n“?difficulty）;
????????init（）;
????????draw（）;
????????while（1）{
????????????int?my_max?=?judge_max（）;
????????????if（my_max?>=?score）{??????????????//判斷是否達到勝利條件
????????????????printf（“Your?Win?!“）;
????????????????return?0;
????????????}
????????????play（）;
????????}
????}
}

void?double_mode（）{?????????????????????????//雙人模式?一人一步
????system（“cls“）;
????init（）;
????draw（）;
????printf（“Welcome?to?DOUBLE?mode?!\n“）;
	//windows?初始化socket網絡庫，
????//申請2，2的版本，windows?socket編程必須先初始化。
????//初始化WSA
????WORD?sockVersion?=?MAKEWORD（2?2）;
????WSADATA?wsaData;
????if?（WSAStartup（sockVersion?&wsaData）?!=?0）
????{
????????return?0;
????}

????//正文部分

????????//創建套接字
????????SOCKET?client_sock?=?socket（AF_INET?SOCK_STREAM?IPPROTO_TCP）;
????????if?（client_sock?==?INVALID_SOCKET）
????????{
????????????printf（“s