This document provides an introduction to data structures. It discusses primitive and non-primitive data structures and their classifications. Linear data structures like arrays, stacks, queues and linked lists are covered, along with non-linear structures like trees and graphs. Common operations on data structures are also summarized such as traversing, searching, inserting and deleting. Finally, abstract data types and examples of common ADTs like lists, stacks and queues are introduced.
Data Structures and algoithms Unit - 1.pptxmexiuro901
it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,
Which data structure is it? What are the various data structure kinds and wha...Tutort Academy
Data structures matter because they boost efficiency. Efficiency: By using the appropriate data structures, programmers can create code that runs faster and uses less memory. Reusability: By employing standard data structures, programmers can abstract the crucial operations that are carried out over numerous Data structures using libraries that are specific to Data Structures.
basics of data structure operations
Data Structures and algoithms Unit - 1.pptxmexiuro901
it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,it is about data structures and algorithms. this ppt has all data structures like linkedlist, trees, graph,
Which data structure is it? What are the various data structure kinds and wha...Tutort Academy
Data structures matter because they boost efficiency. Efficiency: By using the appropriate data structures, programmers can create code that runs faster and uses less memory. Reusability: By employing standard data structures, programmers can abstract the crucial operations that are carried out over numerous Data structures using libraries that are specific to Data Structures.
basics of data structure operations
In this you will learn about
1. Definitions
2. Introduction to Data Structures
3. Classification of Data structures
a. Primitive Data structures
i. int
ii. Float
iii. char
iv. Double
b. Non- Primitive Data structures
i. Linear Data structures
1. Arrays
2. Linked Lists
3. Stack
4. Queue
ii. Non Linear Data structures
1. Trees
2. Graphs
Data structure is an arrangement of data in computer's memory. It makes the data quickly available to the processor for required operations.It is a software artifact which allows data to be stored, organized and accessed.
A data structure is a specialized format for organizing, processing, retrieving and storing data. There are several basic and advanced types of data structures, all designed to arrange data to suit a specific purpose.
What are Data Structures? - Definition from WhatIs.com
TechTarget
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
In this you will learn about
1. Definitions
2. Introduction to Data Structures
3. Classification of Data structures
a. Primitive Data structures
i. int
ii. Float
iii. char
iv. Double
b. Non- Primitive Data structures
i. Linear Data structures
1. Arrays
2. Linked Lists
3. Stack
4. Queue
ii. Non Linear Data structures
1. Trees
2. Graphs
Data structure is an arrangement of data in computer's memory. It makes the data quickly available to the processor for required operations.It is a software artifact which allows data to be stored, organized and accessed.
A data structure is a specialized format for organizing, processing, retrieving and storing data. There are several basic and advanced types of data structures, all designed to arrange data to suit a specific purpose.
What are Data Structures? - Definition from WhatIs.com
TechTarget
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
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2. MO D U L E 1
Introduction:
Data Structures
Classifications (Primitive & Non Primitive)
Data structure Operations
3. MO D U L E 1
Array Operations:
Traversing, Inserting , Deleting , Searching and sorting
Multidimensional Arrays
Polynomials
Sparse Matrices
Strings:
Basic Terminology
Storing
Operations and Pattern Matching algorithms.
Programming Examples.
4. INTRODUCTION
Data may be organized in many different ways.
(Data are simply values or sets of values)
The logical or mathematical model of a particular
organization of data is called a data structure.
Data Structure is a way of collecting and organizing data
in such a way that we can perform operations on these
data in an effective way.
Data Structures is about rendering data elements in
terms of some relationship, for better organization and
storage.
5. INTRODUCTION
The study of data structures includes the following three
steps:
1. Logical or mathematical description of the structure.
2. Implementation of the structure on a computer.
3. Quantitative analysis of the structure which includes
determining the amount of memory needed to store the
structure and the time required to process the structure.
6. INTRODUCTION
Example: We have player's name “Virat" and age 32.
Here " Virat " is of String data type and 32 is of
integer data type.
We can organize this data as a record like Player record.
Now we can collect and store player's records in a file or
database as a data structure. For example: "Gayle" 30,
"Sachin" 31, “Pointing" 33.
In simple language, Data Structures are structures
programmed to store ordered data so that various
operations can be performed on it easily.
8. INTRODUCTION
Primitive Data Structures
Primitive data types are the data types available in most
of the programming languages.
These data types are used to represent single value.
It is a basic data type available in most of the
programming language.
9. INTRODUCTION
Based on the structure and arrangement of data, non-
primitive data structures is further classified into
1. Linear Data Structure
2. Non-linear Data Structure
Data structure where data elements are arranged
sequentially or linearly where the elements are attached
to its previous and next adjacent in what is called
a linear data structure.
In linear data structure, single level is involved.
10. INTRODUCTION
Therefore, we can traverse all the elements in single run
only.
Linear data structures are easy to implement because
computer memory is arranged in a linear way.
Its examples are array, stack, queue, linked list etc.
11. INTRODUCTION
Arrays:
The array is a type of data structure that stores elements
of the same type.
These are the most basic and fundamental data
structures.
Data stored in each position of an array is given a
positive value called the index of the element.
The index helps in identifying the location of the
elements in an array.
12. INTRODUCTION
Stack:
An element may be inserted or deleted at one end which
is known as Top of the stack.
The data structure follows the rule of LIFO (Last In-
First Out) where the data last added element is removed
first.
Push operation - adding an element of data on a stack,
pop operation - deleting the data from the stack.
13. INTRODUCTION
Queue
This structure is almost similar to the stack as the data
is stored sequentially.
The difference is that the queue data structure follows
FIFO which is the rule of First In-First Out where
the first added element is to exit the queue first.
Front and rear are the two terms to be used in a queue.
14. INTRODUCTION
Linked list:
Linked lists are the types where the data is stored in the
form of nodes which consist of an element of data and a
pointer.
The use of the pointer is that it points or directs to the
node which is next to the element in the sequence.
The data stored in a linked list might be of any form,
strings, numbers, or characters.
Both sorted and unsorted data can be stored in a linked
list along with unique or duplicate elements.
16. INTRODUCTION
Non-Linear Data Structure
Data structures where data elements are not arranged
sequentially or linearly are called non-linear data
structures.
In a non-linear data structure, single level is not involved.
Therefore, we can’t traverse all the elements in single run
only.
Non-linear data structures are not easy to implement in
comparison to linear data structure.
It utilizes computer memory efficiently in comparison to a
linear data structure. Its examples are trees and graphs.
17. INTRODUCTION
Trees:
A tree data structure consists of various nodes linked together.
The structure of a tree is hierarchical that forms a relationship
like that of the parent and a child.
The structure of the tree is formed in a way that there is one
connection for every parent-child node relationship.
Only one path should exist between the root to a node in the
tree.
Various types of trees are present based on their structures
like AVL tree, binary tree, binary search tree etc.
19. INTRODUCTION
Graph:
Graphs are those types of non-linear data structures
which consist of a definite quantity of vertices and edges.
The vertices or the nodes are involved in storing data and
the edges show the vertices relationship.
The difference between a graph to a tree is that in a
graph there are no specific rules for the connection of
nodes.
Real-life problems like social networks, telephone
networks etc. can be represented through the graphs.
23. INTRODUCTION
Data Structures Operations
1. Traversing: Accessing each record/node exactly once so
that certain items in the record may be processed.
(This accessing and processing is sometimes called
“visiting” the record.)
2. Searching: Finding the location of the desired node
with a given key value or finding the locations of all
such nodes which satisfy one or more conditions.
3. Inserting: Adding a new node/record to the structure.
4. Deleting: Removing a node/record from the structure.
24. INTRODUCTION
The following two operations, which are used in special
situations:
1. Sorting: Arranging the records in some logical order
(e.g., alphabetically according to some NAME key, or in
numerical order according to some NUMBER key, such
as social security number or account number)
2. Merging: Combining the records in two different sorted
files into a single sorted file.
25. Abstract Data Type
• Abstract Data type (ADT) is a type (or class) for objects whose
behaviour is defined by a set of values and a set of operations.
• The definition of ADT only mentions what operations are to be
performed but not how these operations will be implemented.
• It does not specify how data will be organized in memory and
what algorithms will be used for implementing the operations.
• It is called “abstract” because it gives an implementation-
independent view.
• The process of providing only the essentials and hiding the details
is known as abstraction.
27. List ADT Functions
The List ADT Functions is given below:
get() – Return an element from the list at any given position.
insert() – Insert an element at any position of the list.
remove() – Remove the first occurrence of any element from a non-
empty list.
removeAt() – Remove the element at a specified location from a
non-empty list.
replace() – Replace an element at any position by another element.
size() – Return the number of elements in the list.
isEmpty() – Return true if the list is empty, otherwise return false.
isFull() – Return true if the list is full, otherwise return false.
28. Stack ADT
• push() – Insert an element at one end of the stack called top.
• pop() – Remove and return the element at the top of the
stack, if it is not empty.
• peek() – Return the element at the top of the stack without
removing it, if the stack is not empty.
• size() – Return the number of elements in the stack.
• isEmpty() – Return true if the stack is empty, otherwise
return false.
• isFull() – Return true if the stack is full, otherwise return
false.
29. Queue ADT
• enqueue() – Insert an element at the end of the queue.
• dequeue() – Remove and return the first element of the queue,
if the queue is not empty.
• peek() – Return the element of the queue without removing it, if
the queue is not empty.
• size() – Return the number of elements in the queue.
• isEmpty() – Return true if the queue is empty, otherwise return
false.
• isFull() – Return true if the queue is full, otherwise return false.
30. Features of ADT:
• Abstraction: The user does not need to know the
implementation of the data structure.
• Better Conceptualization: ADT gives us a better
conceptualization of the real world.
• Robust: The program is robust and has the ability to
catch errors.
31. Algorithm : Complexity: Space –
Time Tradeoffs
An Algorithm is a well defined list of steps for solving
a particular problem.
• Time & Space are major measures of the efficiency
of an algorithm.
• The complexity of algorithm is function which gives
the running time or space in terms of the input size.
• Choosing best algorithms & data structures
involves time-space tradeoff.
• By increasing the amount of storing the data can
reduce the time needed for processing the data.
32. Examples for Complexity.
Linear Search:
• Search each record of the file, one at a time, until
finding the given name.
• Time required to execute the algorithm is proportional
to the no. of comparisons.
• The avg no. of comparisons will be equal to n/2
• Therefore complexity of the linear search algorithm is
C(n)= n/2.
Binary Search:
• Compare the name with the name in the middle of the
list, this tells which half of the list contains Name.
• Continue process till find the name
• Complexity of Binary search algorithm is C(n) = log2 n.