Flattening a Linked List | Magic Of Recursion | Recursion Concepts And Questions | Video 13

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Published on February 19, 2024 7:44:39 AM ● Video Link: https://www.youtube.com/watch?v=Q05ZTiqgBtw

Duration: 22:58

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This is the 13th video of our playlist "Recursion Concepts And Questions". Find the Details below :

Similar Qn and using the same code of "Merge Two Sorted Lists" - Leetcode-21- Video Link - https://www.youtube.com/watch?v=RreHsOfi14w

Video Name : Flattening a Linked List | Magic Of Recursion | Recursion Concepts And Questions
Video # : 13
C++/Java Code Link : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Linked%20List/Flattening%20a%20Linked%20List.cpp
GfG Problem Link : https://www.geeksforgeeks.org/problems/flattening-a-linked-list/1


🔍 Unraveling Recursion: A Journey into the Depths of Code

🎥 Welcome to the 13th Video of my Recursion Playlist! 🚀 In this enlightening video, we will solve a very famous recursion problem "Flattening a Linked List" with the help of Recursion. This is a particular type of recursion problem "Flattening Questions". We will start with a Simple story understanding the problem by making a simple tree Diagram and then we will be Converting Story to code and writing the recursive code for the problem and also I will also be explaining the Time and Space Complexity of the code 🌐

🔍 What's Inside?

🔗 Simple story understanding with Choice Tree Diagram

🔗 Converting Story to code and writing the recursive code for Flattening a Linked List

🔗 Explanation of Time and Space Complexity of the code

👩‍💻 Who Should Watch?

This playlist is for everyone but best suited for Freshers who are new to Recursion.

🚀 Embark on the Recursive Adventure Now!

My DP Concepts Playlist : https://youtu.be/7eLMOE1jnls
My Graph Concepts Playlist : https://youtu.be/5JGiZnr6B5w
My GitHub Repo for interview preparation : https://github.com/MAZHARMIK/Interview_DS_Algo
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Approach Summary : The provided code implements a function to merge two linked lists in sorted order, and another function to flatten a linked list of linked lists. The mergeTwoLists function takes two sorted linked lists (head1 and head2) and merges them into a single sorted linked list. It uses a recursive approach, comparing the nodes of the input lists and merging them accordingly. The flatten function is designed to flatten a linked list of linked lists. It recursively flattens the remaining linked lists after the current one (temp) and then merges the current linked list (head) with the flattened result using the mergeTwoLists function. The final result is a single sorted linked list containing all the elements from the original linked lists. Overall, this code demonstrates a recursive approach to merge sorted linked lists and flatten a linked list of linked lists while maintaining the sorted order.

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✨ Timelines✨
00:00 - Introduction
00:12 - Bhashan (Motivation)
01:36 - Problem Explanation
06:19 - Beauty Of Recursion
08:01 - Story to Code
11:02 - Merge two Sorted Lists
14:49 - Coding it up
18:21 - Time and Space Complexity


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