5-23算法InThread1
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2022-08-03
11:38:48
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///5.3.2节 算法InThread
//线索化以t为根结点的二叉树为中序线索二叉树
template <class T>
void ThreadInTree<T>::InThreading(ThreadNode<T> *t)
{
if(t!=NULL){
InThreading(t->GetLeft());
if(t->GetLeft()==NULL){
t->SetLeft(pre),t->SetLThread(1);
}
if(pre!=head&&pre->GetRight()==NULL){
pre->SetRight(t),pre->SetRThread(1);
}
pre=t;
InThreading(t->GetRight());
}
};
//线索化以root为根结点的二叉树为中序线索二叉树
template <class T>
void ThreadInTree<T>::ThreadingTree()
{
pre=head;
InThreading(GetRoot());
if(pre!=head) pre->SetRight(head),pre->SetRThread(1);
};
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