Trees vs other Data Structures

Tree Data Structure

Tree Data Structure is a non-linear data structure in which a collection of elements known as nodes are connected to each other via edges such that there exists exactly one path between any two nodes.

Table of Content

  • What is Tree Data Structure?
  • Terminologies In Tree Data Structure
  • Types of Tree Data Structure
  • Applications of Tree Data Structure
  • Basics of Tree Data Structure
  • Basic Operations on Tree Data Structure
  • n-ary or Generic Tree
  • Binary Tree
  • Binary Search Tree
  • Ternary Search Tree
  • AVL Tree
  • B+ Tree
  • Red-Black Tree
  • Other types of Trees
  • Trees vs other Data Structures
  • Comparison among different Tree Data Structures
  • Problems based on Tree Data Structure

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What is Tree Data Structure?

A tree data structure is a hierarchical structure that is used to represent and organize data in a way that is easy to navigate and search. It is a collection of nodes that are connected by edges and has a hierarchical relationship between the nodes....

Terminologies In Tree Data Structure

Parent Node: The node which is a predecessor of a node is called the parent node of that node. {B} is the parent node of {D, E}. Child Node: The node which is the immediate successor of a node is called the child node of that node. Examples: {D, E} are the child nodes of {B}. Root Node: The topmost node of a tree or the node which does not have any parent node is called the root node. {A} is the root node of the tree. A non-empty tree must contain exactly one root node and exactly one path from the root to all other nodes of the tree. Leaf Node or External Node: The nodes which do not have any child nodes are called leaf nodes. {K, L, M, N, O, P, G} are the leaf nodes of the tree. Ancestor of a Node: Any predecessor nodes on the path of the root to that node are called Ancestors of that node. {A,B} are the ancestor nodes of the node {E} Descendant: A node x is a descendant of another node y if and only if y is an ancestor of y. Sibling: Children of the same parent node are called siblings. {D,E} are called siblings. Level of a node: The count of edges on the path from the root node to that node. The root node has level 0. Internal node: A node with at least one child is called Internal Node. Neighbor of a Node: Parent or child nodes of that node are called neighbors of that node. Subtree: Any node of the tree along with its descendant....

Types of Tree Data Structure

Binary tree: In a binary tree, each node can have a maximum of two children linked to it. Some common types of binary trees include full binary trees, complete binary trees, balanced binary trees, and degenerate or pathological binary trees. Ternary Tree: A Ternary Tree is a tree data structure in which each node has at most three child nodes, usually distinguished as “left”, “mid” and “right”. N-ary Tree or Generic Tree: Generic trees are a collection of nodes where each node is a data structure that consists of records and a list of references to its children(duplicate references are not allowed). Unlike the linked list, each node stores the address of multiple nodes....

Applications of Tree Data Structure

File System:  This allows for efficient navigation and organization of files. Data Compression: Huffman coding is a popular technique for data compression that involves constructing a binary tree where the leaves represent characters and their frequency of occurrence. The resulting tree is used to encode the data in a way that minimizes the amount of storage required. Compiler Design: In compiler design, a syntax tree is used to represent the structure of a program.  Database Indexing: B-trees and other tree structures are used in database indexing to efficiently search for and retrieve data....

Basics of Tree Data Structure

Introduction to Tree – Data Structure and Algorithm Tutorials What is Tree | Tree Definition & Meaning in DSA Types of Trees in Data Structures Applications of tree data structure Applications, Advantages, and Disadvantages of Tree...

Basic Operations on Tree Data Structure

Height of Tree Height and Depth of Node Level of a Given Node in Tree Search a Node in Tree Find the Parent of a Node Diameter of a Tree Find all Leaf nodes Find Siblings of a Node Find Children of a Node Tree Traversals (Inorder, Preorder and Postorder)...

n-ary or Generic Tree

Generic Trees(N-ary Trees) What is Generic Tree or N-ary Tree Depth of an N-ary Tree Mirror of n-ary Tree Diameter of an N-ary Tree Level Order Traversal of N-ary Tree Sum of all elements of N-ary Tree Serialize and Deserialize an N-ary Tree...

Binary Tree

Introduction to Binary Tree – Data Structure and Algorithm Tutorials Properties of Binary Tree Types of Binary Tree Applications, Advantages and Disadvantages of Binary Tree Binary Tree (Array implementation) Level Order Tree Traversal Inorder Traversal of Binary Tree Preorder Traversal of Binary Tree Postorder Traversal of Binary Tree Insertion in a Binary Tree Deletion in a Binary Tree Enumeration of Binary Trees...

Binary Search Tree

Introduction to Binary Search Tree – Data Structure and Algorithm Tutorials Applications of BST Application, Advantages and Disadvantages of Binary Search Tree Insertion in Binary Search Tree Searching in Binary Search Tree Binary Search Tree (BST) Traversals – Inorder, Preorder, Post Order Deletion in Binary Search Tree...

Ternary Search Tree

Ternary Search Tree Ternary Search Tree meaning & definition in DSA Ternary Search Tree (Deletion) How to implement text Auto-complete feature using Ternary Search Tree Longest word in ternary search tree...

AVL Tree

AVL Tree Data Structure What is AVL Tree | AVL Tree meaning Insertion in an AVL Tree Deletion in an AVL Tree Weak AVL or Rank Balanced Trees Insertion, Searching and Deletion in AVL trees containing a parent node pointer AVL with duplicate keys Count greater nodes in AVL tree How to insert Strings into an AVL Tree Minimum number of nodes in an AVL Tree with given height Optimal sequence for AVL tree insertion (without any rotations) Different shapes of AVL possible at height h...

B Tree

Introduction of B-Tree What is B-Tree? | B-Tree meaning Insert Operation in B-Tree Delete Operation in B-Tree B-Tree Insert without aggressive splitting...

B+ Tree

Introduction of B+ Tree What is B+ Tree | B+ Tree meaning Insertion in a B+ tree Deletion in B+ Tree...

Red-Black Tree

Introduction to Red-Black Tree Red-Black Tree Definition & Meaning in DSA Insertion in Red-Black Tree Red-Black Trees | Top-Down Insertion Deletion in Red-Black Tree Applications, Advantages, and Disadvantages of Red-Black Tree...

Other types of Trees

Ternary Tree: What is Ternary Tree Create a Doubly Linked List from a Ternary Tree Interval Tree: Interval Tree Interval Tree using GNU Tree-based container 2-3-4 Tree: 2-3-4 Tree 2-3 Trees | (Search, Insert, and Deletion)...

Trees vs other Data Structures

Difference between graph and tree Comparison between Heap and Tree What is the difference between Heap and Red-Black Tree? Difference between Binary Search Tree and Binary Heap Difference between Stack and Tree Difference between an array and a tree...

Comparison among different Tree Data Structures

Difference between General tree and Binary tree Difference between Binary Tree and Binary Search Tree Difference between Binary tree and B-tree Difference between B tree and B+ tree Difference between Full and Complete Binary Tree Difference between Binary Search Tree and AVL Tree Red Black Tree vs AVL Tree...

Problems based on Tree Data Structure

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