tree-traversal Questions

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I have visited many websites but couldnt find any algorithm for Morris postOrder traversal. I know that we can use Morris algorithm for preOrder and inOrder.It will be of great help if someone poin...
Ulibarri asked 3/4, 2016 at 10:57

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Can anyone give me a solution for traversing a binary tree in inorder without recursion and without using a stack?
Magniloquent asked 7/4, 2010 at 18:41

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How can I traverse an n-ary tree without using recursion? Recursive way: traverse(Node node) { if(node == null) return; for(Node child : node.getChilds()) { traverse(child); } }
Kiethkiev asked 13/5, 2011 at 6:5

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I need to traverse a node tree in pre order to generate a menu listing and so far I've come up with this recursive CTE: WITH RECURSIVE nodes AS ( SELECT '' as spacer, 1::numeric as level, (rank...

20

$("*").click(function(){ $(this); // how can I get selector from $(this) ? }); Is there an easy way to get selector from $(this)? There is a way to select an element by its selector, but what ab...
Incinerate asked 10/3, 2010 at 22:4

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Can anyone point me at pseudocode for iterative depth-first tree traversal, where it's possible to do actions on each node at both pre- and post- order? That is, an action before descent into a nod...
Clipping asked 12/1, 2011 at 0:0

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I need to traverse a tree quickly, and I would like to do it in parallel. I'd rather use the parallel extensions than manually spin up a bunch of threads. My current code looks something like this:...

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We all know that different binary trees can have the same inorder, preorder, or postorder traversal. But if we were to include null elements into a preorder traversal, then result of the traversal ...
Parapet asked 24/8, 2017 at 21:37

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Hi I've made a simple Binary Tree and added a pre-order traversal method. After throwing around some ideas I got stuck on finding a way to return each value from the traverse_pre() method in an arr...

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This question was asked in a recent coding interview. Q : Given a binary tree, write a program to convert it to a doubly linked list. The nodes in the doubly linked list are arranged in a sequenc...
Brigid asked 16/7, 2012 at 20:18

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To begin with, this question is not a dup of this one, but builds on it. Taking the tree in that question as an example, 1 / \ 2 3 / / \ 4 5 6 How would you modify your program to print it...
Postconsonantal asked 12/12, 2009 at 22:4

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For a binary tree, is Breadth First Search traversal (BFS) the same as Pre-order traversal? I am a little bit confused by these two different types of traversals. Additionally, how does Pre-order t...
Counterpoint asked 19/3, 2019 at 14:17

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I am wondering if there is a way to select a specific element way up the DOM only using vanilla JS while not having to use parentNode multiple times. I understand you can do this with jQuery and mo...
Jumbo asked 25/8, 2018 at 23:14

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I am able to understand preorder traversal without using recursion, but I'm having a hard time with inorder traversal. I just don't seem to get it, perhaps, because I haven't understood the inner w...
Inspissate asked 22/1, 2010 at 10:44

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Although this question has already been asked but I have an implementation specific doubt. I am trying to print the top view of the binary tree and following is the complete code for it: import jav...
Threesome asked 4/6, 2017 at 15:44

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void traverse(Node* root) { queue<Node*> q; Node* temp_node= root; while(temp_node) { cout<<temp_node->value<<endl; if(temp_node->left) q.push(temp_node->left);...

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I have to print the nodes of a binary tree using level order traversal but in spiral form i.e nodes at different level should be printed in spiral form. for eg: If the tree look like: The outpu...
Nutritious asked 5/7, 2013 at 9:42

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Can someone please help me understand the following Morris inorder tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me. ...
Inflorescence asked 31/3, 2011 at 16:11

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My first time ever trying to traverse directories, but stat is throwing errors for some of the directories due to what seems to be a lack of permission. Error: EPERM: operation not permitted, stat...
Antebellum asked 30/10, 2019 at 6:53

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If the pre-order traversal of a binary search tree is 6, 2, 1, 4, 3, 7, 10, 9, 11, how to get the post-order traversal?
Elisabeth asked 27/12, 2010 at 10:13

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Suppose I used language-javascript library to build AST in Haskell. The AST has nodes of different types, and each node can have fields of those different types. And each type can have numerous con...
Akkadian asked 3/8, 2019 at 6:37

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I want to convert a tree in a Java8 stream of nodes. Here is a tree of nodes storing data which can be selected: public class SelectTree<D> { private D data; private boolean selected = fa...
Bessette asked 2/10, 2014 at 9:35

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The function type would be Tree a -> Tree (a, Int). I want to carry the count throughout the tree and number each occurring leaf accordingly. So far I have tried this: labelTree :: Tree a -> ...
Lesbos asked 28/2, 2019 at 19:35

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Here's the rough HTML I get to work with: <li class="par_cat"></li> <li class="sub_cat"></li> <li class="sub_cat"></li> <li clas...
Highkey asked 22/2, 2010 at 10:35

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It is easy to do DFS using recursion: function dfs(tree, fn, level) { fn(tree, level) tree.children.forEach(function(child){ dfs(child, fn, level + 1) }) } However every example I have seen ...

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