对二叉树进行操作，包括二叉树的创建和对二叉树进行深度和广度优先遍历-Operations, including the creation of a binary tree, and the depth and breadth-first traversal of a binary tree on binary tree

数据结构中介绍的常见经典算法，排序、二叉树深度、广度优先搜索、高精度加减乘除等-Common data structures described in the classical algorithms, sorting, binary tree depth, breadth-first search, high-precision addition, subtraction, etc.