#define SPACE() printf("    ")
#define RED_NUM(n) printf("33[;31m%4d",(n))
#define GREEN_NUM(n) printf("33[;32m%4d",(n))
#define BLUE_NUM(n) printf("33[;34m%4d",(n))
#define YELLOW_NUM(n) printf("33[;33m%4d",(n))
#define PURPLE_NUM(n) printf("33[;35m%4d",(n))
#define DEEPGREEN_NUM(n) printf("33[;36m%4d",(n))

/*根据不同的number进行不同的宏替换，输出不同颜色的数字*/
void printNum(const int num)
{
    if(num==0)
 SPACE();
    else if(num==1024 || num==32)
 RED_NUM(num);
    else if(num==2 || num==64 )
 BLUE_NUM(num);
    else if(num==4 || num==128)
 GREEN_NUM(num);
    else if(num==8 || num==256)
 YELLOW_NUM(num);
    else if(num==16 || num==512)
 PURPLE_NUM(num);
    else
 DEEPGREEN_NUM(num);
}

enum game_stat{PLAYING,FAILED,EXITED,DONE};
enum cmd{UP,DOWN,LEFT,RIGHT,QUIT,INVALID};

enum cmd direction;
short empty[16];

struct Game
{
    int box[16];
    enum game_stat stat;
    int step;
    unsigned long int point;
}game;
void init_game()
{
    int i;
    for(i=0;i