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Swapna Kumar Panda ✨ Profile picture
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26 Oct, 9 tweets, 2 min read
🔥 Resources to learn Data Structures and Algorithms

↓
1️⃣ Twitter Threads

I post almost regular threads on DSA. Check out those 👇
twitter.com/i/events/14502…
2️⃣ Blogs/Articles

1️⃣ Swapna's blog is coming soon. It will include from simple to complex topics on DSA. It will also help you getting through how to approach for solving the problem. It should be your one-stop to get familiar with DSA.

Some more to look for 👇
These are external links and, I am not promoting or, having any affiliation. These have strong developer community.

2️⃣ Programiz
3️⃣ GeeksForGeeks
4️⃣ TowardsDataScience
5️⃣ FreeCodeCamp
3️⃣ Videos/Courses

1️⃣ I will launch a YouTube channel in early 2022. So, stay tuned.
2️⃣ FreeCodeCamp channel in YouTube
3️⃣ I like this course in Coursera. Attend, it's useful

coursera.org/learn/data-str…
4️⃣ Books

1️⃣ Introduction to Algorithms
Author: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, and Clifford Stein

2️⃣ Algorithms
Authors: Robert Sedgewick and Kevin Wayne

3️⃣ Data Structures Using C
Author: Aaron M. Tenenbaum, Yedidyah Langsam, and Moshe J. Augenstein
5️⃣ Code Practice/Challenge

1️⃣ HackerRank

hackerrank.com/domains/data-s…
5️⃣ Code Practice/Challenge

2️⃣ LeetCode

leetcode.com/study-plan/dat…
If you want to add any more resources (blogs/videos/books), feel free to add in the replies.

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More from @swapnakpanda

Swapna Kumar Panda ✨ Profile picture
27 Oct
JavaScript CookBook: 7️⃣ Recipes for this Week

↓
Recipes

1️⃣ Complex String Formation
2️⃣ String Conversions
3️⃣ Default Value Assign
4️⃣ Default Function Parameters
5️⃣ Checking properties of a possibly Nullish Object
6️⃣ Fetching Values from an Object
7️⃣ Function Argument List
Recipe 1️⃣

✪ What to Cook?
Complex String Formation

✪ Ingredient
`` (String Template Literal)

✪ Cooking Process
You were cooking like this (tedious):

→ 'Hello ' + fName + ' ' + lName

Instead cook like this:

→`Hello ${fName} ${lName}'
Read 9 tweets
Swapna Kumar Panda ✨ Profile picture
26 Oct
Linked List: Frequently used Operations

🔥 Interview Questions with Beginner Friendly Explanations and Pseudo Code 🔥

👇
0️⃣ Basics

✪ What is a Linked List?

• a LINEAR data structure
• its elements may not be in contiguous memory location
• each element has a reference to its next element

✪ What is an element in a Linked List popularly called?
A Node.

++
✪ What is the structure of a Node in Linked List?

A node has 2 parts.

• First one contains the value
• Second one contains the reference (or, pointer) to the next node. For the last node this is NULL as it doesn't point to any other node.

++
Read 20 tweets
Swapna Kumar Panda ✨ Profile picture
25 Oct
Data Structures and Algorithms (DSA)

🔥 Frequently Asked Interview Questions 🔥

↓
I am soon going to start my blog. All the questions featured here will be answered in detail over there. I will post answers for some of these in Twitter platform as well. Questions will be added with time. Stay tuned.

Now, let's go through the questions.

↓
1️⃣ Basics

✪ What is an algorithm?
✪ What is time complexity?
✪ What is space complexity?
✪ What is a Data Structure?
✪ What are types of Data Structures? (Linear/Non-linear)
✪ What are different operations that can be performed on different data structures?
Read 14 tweets
Swapna Kumar Panda ✨ Profile picture
23 Oct
Tree, Binary Tree and Binary Search Tree

Know the difference. 👇
0️⃣ Introduction to a Tree

✪ A Tree is a data structure where each element is called as a "Node".

✪ Unlike a Linked List, a Node in a Tree can point many (child) nodes.

✪ The first node from which traversal begins is called the Root Node.

++
✪ Each child node can be root of a separate tree. Each such trees are known as "Subtrees" of a given node.

✪ The number of parents, a node can have is called its "In-Degree" and it is always 1.

✪ The number of children, a node can have is called its "Out-Degree".
Read 7 tweets
Swapna Kumar Panda ✨ Profile picture
22 Oct
Difference between an Array and a Linked List

↓
These differences will make you grasp the fundamentals of both Array and Linked List really quick.

And if you are preparing for any interviews, it would definitely help you.

Let's explore 👇
1️⃣ Storage
2️⃣ Size
3️⃣ Access of Elements
4️⃣ Insertion/Deletion of Elements
5️⃣ Search for Elements
6️⃣ Memory Allocation
7️⃣ Memory Usage
8️⃣ Memory Utilisation
9️⃣ Use case

↓
Read 12 tweets
Swapna Kumar Panda ✨ Profile picture
22 Oct
All you would like to know about

✪ Array Data Structure
✪ Array Operations
✪ Array Based Problems

* Time and Space Complexities covered

DSA Series: 🧵 👇
We will cover

1️⃣ Introduction
2️⃣ Array Size
3️⃣ Array Index
4️⃣ Array Dimension
5️⃣ Array Operations
6️⃣ Other Array-based Data Structures
7️⃣ Some Array-based Problems
1️⃣ Introduction

An array is a "collection of items" stored at contiguous memory locations.

Syntax: All items are written comma-separated inside square brackets.

Example: [1, 2, 3, 4, 5]

There are total 5 items in the array. 1 is the first item, 2 is the 2nd and 5 is the last.
Read 22 tweets

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