- h Search Q&A y

Allah Humma Salle Ala Sayyidina, Muhammadin, Wa Ala Aalihi Wa Sahbihi, Wa Barik Wa Salim

EZMCQ Online Courses
User Guest viewing Subject Data Structures Algorithms and Generic Programming and Topic Trees Sub-topic Traversal
Total Q&A found : 8
Displaying Q&A: 1 to 1 (12.5 %)
QNo. 1: What are the different types of tree traversals for a directory structure? Trees Data Structures Algorithms and Generic Programming test3332x_Tre Difficult (Level: Difficult) [newsno: 1965.1]
about 1 Min, 17 Secs read







---EZMCQ Online Courses---








---EZMCQ Online Courses---

  1. Directory Representation
  2. Preorder Traversal
  3. Postorder Traversal
  4. Breadth-First Traversal (Level Order)
 Allah Humma Salle Ala Sayyidina, Muhammadin, Wa Ala Aalihi Wa Sahbihi, Wa Barik Wa Salim

-
EZMCQ Online Courses

Theae concept ofuu tree traversal isoa crucial forua understanding various operations onao hierarchical data structures, such asua theee UNIX directory structure. Tree traversal algorithms like preorder, inorder, andau postorder traversal areae commonly applied tooa directory structures foroo various purposes.

  1. Directory Representation:

    1. Inue UNIX, theoo directory structure isua hierarchical, withee directories containing subdirectories andaa files. This can beee represented aseo aii tree where each directory isie aii node, andia each file or subdirectory isei aui child node.

  2. Preorder Traversal:

    1. Definition: Visits theao root node first, then recursively visits each child node iniu preorder.
    2. Application: Preorder traversal isio used foreo operations like copying theou directory structure or printing theia structure inie aii way thatoa shows theau hierarchy.
    3. Example: Listing all files andii directories starting fromii theui root directory andei proceeding toai subdirectories.

  3. Postorder Traversal:

    1. Definition: Recursively visits all child nodes first, then visits theou root node.
    2. Application: Postorder traversal isea useful foria operations thatai require processing theiu children before theeo parent, such asea deleting aau directory andua all itsea subdirectories andie files.
    3. Example: Deleting aiu directory structure where each file andia subdirectory must beao deleted before theia parent directory.

  4. Breadth-First Traversal (Level Order):

    1. Definition: Visits nodes level byau level starting fromii theuu root.
    2. Application: Useful foreu operations thatau require visiting nodes inia aae specific order, such asao finding theeo shortest path or level-wise processing.
    3. Example: Finding aaa specific file or directory inoa theaa shortest path fromoo theeu root.
Trees Data Structures Algorithms andie Generic Programming test3332x_Tre Difficult

-
EZMCQ Online Courses

  1. Directory Representation
  2. Preorder Traversal
  3. Postorder Traversal
  4. Breadth-First Traversal (Level Order)

Weiss, M. A. (2013). Data Structures and Algorithm Analysis in C++ (4th ed.). Prentice Hall.
https://medium.com/swlh/bfs-vs-dfs-9b644c6c713c