HK_HH的博客

二叉树的前序, 中序, 后续遍历,层次遍历//// Created by 31618 on 2021/5/21.//#include<iostream>#include<string>#include<queue>using namespace std;//链表二叉树的节点结构template<class T>struct binaryTreeNode{public: //构造函数 binaryTreeNode()