knull

#ifndef BINARY_TREE#define BINARY_TREE#include <iostream>#include <stdio.h>#include <stack>using namespace std;class binaryTree{private: struct btNode { char data; btNode *left, *right; btNode(char c):data(c){} }; btNode *root; int size; //非递归后序遍历辅助数据的类型定义 s... Read More