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  1. Stack Overflow
    https://stackoverflow.com › questions

    Basic Tree Concept: Defining ancestors - Stack Overflow

    Apr 10, 2012 · A node that is connected to all lower-level nodes is called an "ancestor". The connected lower-level nodes are "descendants" of the ancestor node. What's the difference of an ancestor compared to a predecessor in a …

    ADT Tree - is a node ancestor/descendant of itself?Sep 8, 2015
    Is a node in a tree considered its own ancestor?Dec 8, 2011
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  2. GeeksForGeeks
    https://www.geeksforgeeks.org › query-an…

    Query for ancestor-descendant relationship in a tree

    Mar 10, 2023 · Given a rooted tree, and two nodes are in the tree, find the Lowest common ancestor of both the nodes. The LCA for two nodes u and v is …

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    • GeeksForGeeks
      https://www.geeksforgeeks.org › introduction-to-tree-data-structure

      Introduction to Tree Data Structure - GeeksforGeeks

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    • UW Computer Sciences User Pages
      https://pages.cs.wisc.edu › ~siff › Notes › trees.html

      CS 367-3 - Trees - University of Wisconsin–Madison

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    • Department of Computer Science, Columbia University
      https://www.cs.columbia.edu › ~allen › NOTES › trees.pdf
      [PDF]

      Class Notes CS 3137 1 The Tree Data Model: Overview

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      Tree Ancestors
      Descendants Tree
    • kent.edu
      https://www.cs.kent.edu › ~durand › Notes › ds_treesA.html

      General Tree Definitions and Terminology - Kent

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      Tree Terminology
    • smu.ca
      https://cs.smu.ca › ~porter › csc › notes › trees.html

      General Reference Material | Trees - Saint Mary's University

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      What is the difference between ancestor and descendant?
      An ancestor of a node is any other node on the path from the node to the root. A descendant is the inverse relationship of ancestor: A node p is a descendant of a node q if and only if q is an ancestor of p. We can talk about a path from one node to another.

      Class Notes CS 3137 1 The Tree Data Model: Overview

      cs.columbia.edu
      Do tree nodes have ancestors and descendants?
      Besides the parent-child relationship, we can think of tree nodes having ancestors and descendants. An ancestor of a node is any other node on the path from the node to the root. A descendant is the inverse relationship of ancestor: A node p is a descendant of a node q if and only if q is an ancestor of p.

      Class Notes CS 3137 1 The Tree Data Model: Overview

      cs.columbia.edu
      How to determine ancestor-descendant relationship between two nodes in a tree?
      The BA codes and IsAncestor have been extended for environments where multiple-inheritance is allowed. Ancestor-descendant relationship between any two nodes in a tree can be determined by traversing the tree from the descendant node to the root node while checking for the ancestor node.

      Binary Codes for Fast Determination of Ancestor-Descendant Relations…

      eng.auburn.edu
      Which node is an ancestor of N?
      Any node y on the (unique) path from root r to node n is an ancestor of node n. Every node is an ancestor of itself. A proper ancestor of n is any node y such that node y is an ancestor of node n and y is not the same node as n. Any node y for which n is an ancestor of y. Every node is an descendent of itself.

      General Tree Definitions and Terminology - Kent

      cs.kent.edu
      Are ancestor nodes recursive?
      An ancestor node of a node is either the parent of the node or the parent of some ancestor of the node. A descendant of a node is either a child of the node or a child of some descendant of the node. Both of these definitions are, of course, recursive. Nodes with the same parent are called siblings.

      General Reference Material | Trees - Saint Mary's University

      cs.smu.ca
      What is a descendant of a node?
      A descendant is the inverse relationship of ancestor: A node p is a descendant of a node q if and only if q is an ancestor of p. We can talk about a path from one node to another. Given the sequence of nodes N1; N2; :::; Nk where Ni is the parent of Ni+1, we can say that N1; N2; :::; Nk is the path from N1 to Nk.

      Class Notes CS 3137 1 The Tree Data Model: Overview

      cs.columbia.edu
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    • University of Alberta
      https://sites.ualberta.ca › ... › PDSA › tree.…

      What is a Tree? — Practices in Data Structures and …

      Descendant – The descendants of a node include that node, the children of that node, the grandchildren of that node, and so on until the bottom of the tree is reached. The descendants of a node is every node from that node to the …

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    • ucsd.edu
      https://cseweb.ucsd.edu › ~kube › cls › Lectures

      Tree terminology: some definitions - University of California, San …

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      Tree Node Ancestor
    • Auburn University Samuel Ginn College of Engineering
      https://eng.auburn.edu › ~baskiyar › MyArticles
      [PDF]

      Binary Codes for Fast Determination of Ancestor-Descendant …

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      Java Tree Descendent Or Ancestor
    • BTech Smart Class
      http://www.btechsmartclass.com › data_structures › tree...

      Data Structures Tutorials - Tree Terminology with examples

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    • rkgiitbh.github.io
      https://rkgiitbh.github.io › ... › HTML › treesIntro.html

      Introduction to Trees | Learning Data Structures & Programming

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    • Datacadamia
      https://datacadamia.com › data › type › tree › descendant

      Tree - Descendant - Datacadamia

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      Descendant and Ancestor in Tree
      Descendant in Tree Data Structure
    • Monash University
      https://www.monash.edu › ... › phylogenetic-trees

      Phylogenetic Trees - Student Academic Success - Monash …

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    • Geneanet
      https://gw.geneanet.org › mlcandelier

      "François" Antoine VOGEL : Family tree by Marie Laure

    • Stack Overflow
      https://stackoverflow.com › questions

      O(1) algorithm to determine if node is descendant of another …

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      Descendant and Ancestor in Tree
      Tree Node Ancestor
    • Geni
      https://www.geni.com › people › Georg-Zerr

      Georg Zerr (c.1672 - c.1704) - Genealogy - Geni.com

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    • Geneanet
      https://gw.geneanet.org › jlibmann

      Family tree by Jacques LIBMANN (jlibmann) - Geneanet

    • Geni
      https://www.geni.com › people › Joseph-Klotz

      Joseph Klotz (1803 - 1874) - Genealogy - Geni.com

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