The document discusses stacks, which are a fundamental data structure used in programs. It defines a stack as a linear list of items where additions and deletions are restricted to one end, called the top. Common stack operations include push, which adds an element to the top, and pop, which removes an element from the top. Stacks have applications in parsing expressions, reversing strings, implementing depth-first search algorithms, and calculating arithmetic expressions in prefix and postfix notation. Stacks can be implemented using static arrays or dynamic arrays/linked lists.
Queues
a. Concept and Definition
b. Queue as an ADT
c. Implementation of Insert and Delete operation of:
• Linear Queue
• Circular Queue
For More:
https://github.com/ashim888/dataStructureAndAlgorithm
http://www.ashimlamichhane.com.np/
a. Concept and Definition✓
b. Inserting and Deleting nodes ✓
c. Linked implementation of a stack (PUSH/POP) ✓
d. Linked implementation of a queue (Insert/Remove) ✓
e. Circular List
• Stack as a circular list (PUSH/POP) ✓
• Queue as a circular list (Insert/Remove) ✓
f. Doubly Linked List (Insert/Remove) ✓
For more course related material:
https://github.com/ashim888/dataStructureAndAlgorithm/
Personal blog
www.ashimlamichhane.com.np
This presentation is all about various built in
datastructures which we have in python.
List
Dictionary
Tuple
Set
and various methods present in each data structure
Queue is an abstract data structure, somewhat similar to Stacks. Unlike stacks, a queue is open at both its ends. One end is always used to insert data (enqueue) and the other is used to remove data (dequeue). Queue follows First-In-First-Out methodology, i.e., the data item stored first will be accessed first.
Queues
a. Concept and Definition
b. Queue as an ADT
c. Implementation of Insert and Delete operation of:
• Linear Queue
• Circular Queue
For More:
https://github.com/ashim888/dataStructureAndAlgorithm
http://www.ashimlamichhane.com.np/
a. Concept and Definition✓
b. Inserting and Deleting nodes ✓
c. Linked implementation of a stack (PUSH/POP) ✓
d. Linked implementation of a queue (Insert/Remove) ✓
e. Circular List
• Stack as a circular list (PUSH/POP) ✓
• Queue as a circular list (Insert/Remove) ✓
f. Doubly Linked List (Insert/Remove) ✓
For more course related material:
https://github.com/ashim888/dataStructureAndAlgorithm/
Personal blog
www.ashimlamichhane.com.np
This presentation is all about various built in
datastructures which we have in python.
List
Dictionary
Tuple
Set
and various methods present in each data structure
Queue is an abstract data structure, somewhat similar to Stacks. Unlike stacks, a queue is open at both its ends. One end is always used to insert data (enqueue) and the other is used to remove data (dequeue). Queue follows First-In-First-Out methodology, i.e., the data item stored first will be accessed first.
this presentation is made for the students who finds data structures a complex subject
this will help students to grab the various topics of data structures with simple presentation techniques
best regards
BCA group
(pooja,shaifali,richa,trishla,rani,pallavi,shivani)
tags:
data structure and algorithms
dsa
linear data structure
stacks
push
pop
display
isempty
isfull
LIFO
FILO
array
linked list
coding
programming
C language
C
infix
prefix
postfix
towers of hanoi
tree traversal
BTECH
CSE
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The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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2. The stack is a very common and non
primitive data structure used in
programs. By data structure, I mean
something that is meant to hold data
and provides certain operations on
that data.
3. Abstract definition
• A stack is a fundamental computer
science data structure and can be defined
in an abstract, implementation-free
manner,
• it can be generally defined as,
Stack is a linear list of items in which all
additions and deletion are restricted to
one end that is Top.
5. Operations on stack
• a stack is a last in, first out (LIFO) abstract data
type and Data structure
In computer science, a data structure is a particular
way of storing and organizing data in a computer
so that it can be used efficiently .Different kinds of
data structures are suited to different kinds of
applications, and some are highly specialized to
specific tasks...
A stack can have any abstract data type as an
element, but is characterized by only three
fundamental operations: push, pop and stack top
6. The basic operations that can be performed
on stack:
• Push: The process of adding a new element of
top of the stack is called push operation.
Pushing an element In the stack invoke adding
of element, as the new element will be inserted
at the top after every push operation the top is
incremented by one. In case the array is full and
no new element can be accommodated ,it is
called stack full condition . This condition is
called stack overflow.
7. Pop: the process of deleting an element from the
Top of the stack is called pop operation. After
every pop operation the stack is decrement by
one. If there is no element on the stack and the
pop is performed then this will result into stack
underflow condition.
8. • A common model of a stack is plates in a
marriage party or coin stacker. Fresh plate are
“pushed” onto to the top and “popped ” from the
top.
9. Stack implementation
Stacks
static array dynamic arrays
Graphical region
Parenthesis
fill
checker
10. Stack implementation in two way:
• Static implementation: these implementation uses
arrays to create stack. Static implementation
though a very simple technique but is not a
flexible way of creation as the size of stack has
to be declared during program design after that
can not be varied. Static implementation is not
too efficient with respect to memory utilization.
• Dynamic implementation: these implementation is
also called link list implementation and uses
pointer to implement the stack type of data
structure.
11. Stack Applications
• A Palindrome is a string that reads the same
in either direction
– Examples: “Able was I ere I saw Elba”
• Reversing the string
• Implementation of DFS
- a stack is the proper data structure to
remember the current node and how to
backtrack.
12. Calculation of arithmetic notation
• Infix notation: the infix notetion is what we come
across our general mathematics, where the
opereter is written in between the operand.
Example: A+B
• prefix notation: the prefix notation a notation in which
the operators is written before the operand, it is also
called polish notation.
Example: +AB
• Postfix notation: in the postfix notation the operators
are written after the operands, so it’s called the postfix
notation’ it’s also called suffix notation.
Example :AB+