#include<iostream> #define DaType int #define ElemData int using namespace std; typedef struct BNode{ DaType data; struct BNode *Lchild; struct BNode *Rchild; }BNode,*BTree; //遍历 void Show(BTree t) { if(t) { //Show(t->Lchild); cout<<" "<<t->data<<endl; //Show...