/*--- --- -----编译过程使用的头文件*/

#include<graphics.h>

#include<stdlib.h>

#include<dos.h>



/*-----------------宏定义用到的数量关系（键盘上、下、左、右按键的值）*/

#define N 200

#define LEFT 0x4b00

#define RIGHT 0x4d00

#define DOWN 0x5000

#define UP 0x4800

#define Esc 0x011b

-/*----------------- Compilation process using header files* /# include <graphics.h># Include <stdlib.h># Include <dos.h> /*----------------- Macro definitions used in the quantitative relationship (keyboard up, down, left and right key value)* /# define N 200# define LEFT 0x4b00# define RIGHT 0x4d00# define DOWN 0x5000# define UP 0x4800# define Esc 0x011b