#define N 20 #define COL 100 #define ROW 40 #include "stdio.h" #include "time.h" /*系统时间函数*/ #include "graphics.h" /*图形函数*/ #include "alloc.h"/*动态地址分配函数*/ #include "stdlib.h" /*库函数*/ #include "string.h" /*字符串函数*/ #include "ctype.h" /*字符操作函数*/