#include<iostream>
#include"head.h"
using namespace std;
int main()
{
Binary<char> Tree;
cout << "The PreOrder:" << endl;
Tree.PreOrder();
cout << "\nThe InOrder:" << endl;
Tree.InOrder();
cout << "\nThe PostOrder" << endl;
Tree.PostOrder();
cout << endl;
Tree.PrintAll();
Tree.PrintLeaf();
return 0;
}
#include<iostream>
using namespace std;
template<typename DataType>
struct Node
{
DataType data;
Node *lchild, *rchild,*parent;
};
template<typename DataType>
class Binary
{
private:
Node<DataType> *root;
Node<DataType>* Creat(Node<DataType> *bt, Node<DataType> *par)
{
cout << "enter a data(# to quit): ";
DataType ch;
cin >> ch;
if (ch == '#') bt = NULL;
else
{
bt = new Node<DataType>;
bt->data = ch;
bt->parent = par;
bt->lchild = Creat(bt->lchild, bt);
bt->rchild = Creat(bt->rchild, bt);
}
return bt;
}
void Release(Node<DataType> *bt)
{
if (bt != NULL)
{
Release(bt->lchild);
Release(bt->rchild);
delete bt;
}
}
void PreOrder(Node<DataType> *bt)
{
if (bt == NULL) return;
cout << bt->data << " ";
PreOrder(bt->lchild);
PreOrder(bt->rchild);
}
void InOrder(Node<DataType> *bt)
{
if (bt == NULL) return;
PreOrder(bt->lchild);
cout << bt->data << " ";
PreOrder(bt->rchild);
}
void PostOrder(Node<DataType> *bt)
{
if (bt == NULL) return;
PreOrder(bt->lchild);
PreOrder(bt->rchild);
cout << bt->data << " ";
}
void PrintAll(Node<DataType> *bt)
{
if (bt == NULL)return;
cout << "the data:" << bt->data << " ";
if (bt->parent != NULL)
cout << "the parent:" << bt->parent->data << " ";
else
cout << "the parent is:NULL" << " ";
if (bt->lchild != NULL)
cout << "the lchild:" << bt->lchild->data << " ";
else
cout << "the lchild is:NULL" << " ";
if (bt->rchild != NULL)
cout << "the rchild:" << bt->rchild->data << " ";
else
cout << "the rchild is:NULL" << " ";
cout << endl;
PrintAll(bt->lchild);
PrintAll(bt->rchild);
}
void PrintLeaf(Node<DataType> *bt)
{
if (bt == NULL) return;
if (bt->lchild == NULL&&bt->rchild == NULL)
{
cout << "the leaf:" << bt->data << endl;
}
PrintLeaf(bt->lchild);
PrintLeaf(bt->rchild);
}
public:
Binary() { root = Creat(root, NULL); }
~Binary() { Release(root); }
void PreOrder() { PreOrder(root); }
void InOrder() { InOrder(root); }
void PostOrder() { PostOrder(root); }
void PrintAll() { PrintAll(root); }
void PrintLeaf() { PrintLeaf(root); }
};