数据结构里面基本所有的知识点的代码为全班同学的作业如约瑟夫问题、哈弗曼编码、层次二叉树、深度广度遍历-Data structure inside knowledge of the basic points of all the code for the whole class of operations such as Josephus problem, Ha Fuman coding, hierarchical binary tree, depth, breadth traversal