Copy List With Random Pointer (LeetCode 138) | Full Solution with animations and 3 step process

Join this channel to get access to perks:    / @nikoo28  

Actual problem on LeetCode: https://leetcode.com/problems/copy-li...

Chapters:
00:00 - Intro
00:41 - Problem Statement
02:44 - What is this special structure?
04:50 - Brute Force Approach
07:26 - Step 1 (Create new list with same values)
10:05 - Step 2 (Copy the random pointers)
13:53 - Step 3 (Separate the 2 lists)
18:16 - Dry-run of Code
20:15 - Final Thoughts

📚 Links to topics I talk about in the video:
Linked Lists:    • Linked List Data Structure explained with ...  
What is Big O?:    • Big O Notation Simplified to the MAX | Stu...  
Time Complexity of an algorithm:    • What is the Time Complexity of an Algorith...  
Other Medium Problems:    • Medium Problems  

📘 A text based explanation is available at: https://studyalgorithms.com

Code on Github: https://github.com/nikoo28/java-solut...
Test-cases on Github: https://github.com/nikoo28/java-solut...

📖 Reference Books:
Starting Learn to Code: https://amzn.to/3sJm8Wl
Favorite book to understand algorithms: https://amzn.to/4848xJH
Favorite book for data structures: https://amzn.to/3P96YBv
Get started for interview preparation: https://amzn.to/44Nn5du

🔗 To see more videos like this, you can show your support on: https://www.buymeacoffee.com/studyalg...

🎥 My Recording Gear:
Recording Light: https://amzn.to/3PdsViT
Microphone: https://amzn.to/3Exv83x
Recording Camera: https://amzn.to/3PwyN8e
Tablet to sketch and draw: https://amzn.to/3ZdKVy7
Sketching Tool: https://amzn.to/45XJEgY
Laptop to edit videos: https://amzn.to/460ofDu


💻 Get Social 💻
Follow on Facebook at:   / studyalgos  
Subscribe to RSS feeds: https://studyalgorithms.com/feed/
Join fan mail: http://eepurl.com/g9Dadv

#leetcode #programming #interview