2048是一款有趣的益智小遊戲，風靡一時的2048小遊戲，玩家需要在格子中通過數字疊加的方法將最初的數字2湊成數字2048.

#include<iostream>
#include<ctime>
#include<vector>
#include<windows.h>
using namespace std;

const int ROW = 4;
const int COL = 4;
int pix[ROW][COL]={0};

//上下左右  
int const UP = 1;  
int const DOWN = 2;  
int const LEFT = 3;  
int const RIGHT = 4; 

//遊戲所處的狀態  
int const GAME_OVER = 1;  
int const GAME_WIN = 2;  
int const GAME_CONTINUE = 3;  


  
enum Num{
	Num_2 = 2,
	Num_4 = 4,
	Num_8 = 8,
	Num_16 = 16,
	Num_32 = 32,
	Num_64 = 64,
	Num_128 = 128,
	Num_256 = 256,
	Num_512 = 512,
	Num_1024 = 1024,
	Num_2048 = 2048,
	
	
};
void Print(void)
{
	system("cls");
	cout<<"************* 2048 控制檯程式**************"<<endl<<endl;
	cout<<"*********** by HUSTer 2018-2-7*************"<<endl<<endl;
	cout<<endl<<endl;
	for(int i=0; i<	ROW; i++)
	{
		cout << "---------------------------------"<< endl;  
		for(int j=0; j<COL; j++)
		{
			if(pix[i][j] == 0)
			{
				cout<< "|    \t" ;
				
			}
			else{
				cout<<"|   " << pix[i][j] <<"\t";
			}
		}
		cout<< "|" <<endl;
	}
		cout << "---------------------------------"<< endl;  
	
}

bool CreatNumber()
{
	int RandNum = rand() % 3;
	int r = 0;
	vector<int> index;  //記錄空白格
	
    for(int i=0; i < ROW; i++)
		for(int j=0; j < COL; j++)
		{
			if(!pix[i][j])
			{
				index.push_back(i*4+j);  //記錄空白格的索引
			}
		}
	if(index.empty())
	{
		return false;
	}
	else{                    //找到空白點
		Num CreatNum;
		r = rand() % index.size();
		if(RandNum == 0)
		{
			CreatNum = Num_4;  //1/3概率是4
			
		}
		else{
			CreatNum = Num_2;   //2/3概率是2
		}
		pix[index[r]/4][index[r]%4] = CreatNum; //給空白處一個數據
	}
	return true;
}

int Input()
{
	//讀取上下左右四個方向鍵  
    int upArrow = 0;  
    int downArrow = 0;  
    int leftArrow = 0;  
    int rightArrow = 0;  
    int direction = 0;  
    while (true)  
    {  
        upArrow = GetAsyncKeyState(VK_UP);  
        downArrow = GetAsyncKeyState(VK_DOWN);  
        leftArrow = GetAsyncKeyState(VK_LEFT);  
        rightArrow = GetAsyncKeyState(VK_RIGHT);  
  
        if(upArrow)  
        {  
            direction = UP;  
            break;  
        }  
        else if(downArrow)  
        {  
            direction = DOWN;  
            break;  
        }  
        else if(leftArrow)  
        {  
            direction = LEFT;  
            break;  
        }  
        else if(rightArrow)  
        {  
            direction = RIGHT;  
            break;  
        }  
  
        Sleep(100);  
    }  
  
    return direction;  
}

void Process(int dir)
{
	switch(dir)      //根據按鍵指示進行處理
	{                //感覺還有進一步提升的空間
	case UP:
	        for(int i=1; i < ROW; i++)
				for(int j=1; j < ROW; j++)
					for(int k=0; k < COL; k++)
					{
						if(pix[j-1][k] == pix[j][k])
						{
							pix[j-1][k]*=2;
						    pix[j][k] = 0;								
						}
						else
						{
							if( pix[j-1][k] == 0)
							{
								pix[j-1][k] = pix[j][k];
								pix[j][k] = 0 ;
							}
						}					
					}
	        break;
	case DOWN:
	        for(int i=ROW-1; i > 0; i--)
				for(int j=ROW-1; j >0; j--)
					for(int k=0; k < COL; k++)
					{
						if(pix[j][k] == pix[j-1][k])
						{
							pix[j][k]*=2;
						    pix[j-1][k] = 0;								
						}
						else
						{
							if( pix[j][k] == 0)
							{
								pix[j][k] = pix[j-1][k];
								pix[j-1][k] = 0 ;
							}
						}					
					}
	        break;
	case LEFT:
	        for(int i=1; i < COL; i++)
				for(int j=1; j < COL; j++)
					for(int k=0; k < ROW; k++)
					{
						if(pix[k][j-1] == pix[k][j])
						{
							pix[k][j-1]*=2;
						    pix[k][j] = 0;								
						}
						else
						{
							if( pix[k][j-1] == 0)
							{
								pix[k][j-1] = pix[k][j];
								pix[k][j] = 0 ;
							}
						}					
					}
			break;
	case RIGHT:
			for(int i=COL-1; i > 0; i--)
				for(int j=COL-1; j >0; j--)
					for(int k=0; k < ROW; k++)
					{
						if(pix[k][j] == pix[k][j-1])
						{
							pix[k][j]*=2;
						    pix[k][j-1] = 0;								
						}
						else
						{
							if( pix[k][j] == 0)
							{
								pix[k][j] = pix[k][j-1];
								pix[k][j-1] = 0 ;
							}
						}					
					}
	        break;	
    default:break;	
	}

	
	
}
int Judge()
{
	 
    //贏得遊戲  
    for(int i = 0; i < ROW; ++i)  
    {  
        for(int j = 0; j < COL; ++j)  
        {  
            if(pix[i][j] == 2048)  
            {  
                return GAME_WIN;  
                break;  
            }  
        }  
    }  
  
    //橫向檢查  
    for(int i = 0 ; i < ROW; ++i)  
    {  
        for(int j = 0; j < COL - 1; ++j)  
        {  
            if(!pix[i][j] || (pix[i][j] == pix[i][j+1]))  
            {  
                return GAME_CONTINUE;  
                break;  
            }  
        }  
    }  
    //縱向檢查  
    for(int j = 0; j< COL; ++j)  
    {  
        for(int i = 0; i < ROW -1; ++i)  
        {  
            if(!pix[i][j] || (pix[i][j] == pix[i+1][j]))  
            {  
                return GAME_CONTINUE;  
                break;  
            }  
        }  
    }  
  
    //不符合上述兩種狀況，遊戲結束  
    return GAME_OVER;  

}
int main()
{   
	int Direction = 0;
	int Gamstate = 0;
	srand((unsigned int)time(0)); 
	CreatNumber();
	CreatNumber();	

	Print(); //列印控制面板
	
	while(1)
	{
		Gamstate = Judge();	
		if( Gamstate == GAME_CONTINUE)
		{
		 Direction = Input();	
		 Process(Direction);	
		 if(CreatNumber() == 0)
		 {
			Gamstate = GAME_OVER; 
		 }

         Print();  
         Sleep(100); 		 
		}
		else if(Gamstate == GAME_WIN){
			Print();  
			cout << "Congratulation  "<<"You Win！" << endl;  
			break;  	
		}
		if(Gamstate ==  GAME_OVER){
			Print();  
			cout <<"Sorry  "<<"You lose the chance!" << endl;  
			break;    	
		}
	}
	return 0;
}
 

演示圖例：