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Actual problem on LeetCode: https://leetcode.com/problems/copy-list-with-random-pointer/
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: https://youtu.be/lrXpTVEAXCM
What is Big O?: https://youtu.be/-MJ7EIV57dI
Time Complexity of an algorithm: https://youtu.be/hYnsWroM4kQ
Other Medium Problems: https://www.youtube.com/playlist?list=PLFdAYMIVJQHO1paovM-tu2vtGzQU72z_U
📘 A text based explanation is available at: https://studyalgorithms.com
Code on Github: https://github.com/nikoo28/java-solutions/blob/master/src/main/java/leetcode/medium/CopyListWithRandomPointer.java
Test-cases on Github: https://github.com/nikoo28/java-solutions/blob/master/src/test/java/leetcode/medium/CopyListWithRandomPointerTest.java
📖 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
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