解决五叉路口交通灯的问题,有程序代码,有问题mm我-Solve the five problems of traffic lights fork junction, there is code there are problems, mm I

点阵显示一些简单的图形：包括心形，圆形，菱形，叉形，中字显示-Dot matrix display some simple graphics, including heart-shaped, round, diamond, fork, according to the word

对于新手很实用的一个分叉算例，可以参考一下-For starters very practical example of a fork, you can refer to

一、 实验目的 (一) 掌握二叉树的逻辑结构和二叉链表存储结构; (二) 验证二叉树的二叉存储和遍历及其基本操作的实现; (三) 理解算法与程序的关系，能够将顺序表算法转化为对应程序;(First, the purpose of the experiment (1) master the logical structure of the two tree and the storage structure of the two linked list; (two) verify the