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1. Mastering Linked List - Himanshu Malik
   
2. Summary for solving linked-list problems - Song-Lei
   
3. Problems List - Made by Himanshu Malik, compiled by Kartikey
   
   
   

1. Mastering Trees - Himanshu Malik
   
2. Problems List - Made by Manisha, Compiled by Paras
   
   
   

1. Hashing Guide - Ars
   
2. Problems List - Ars
   
   
   

1. Graph Algorithms - Aleksei
2. Problems List - Sahin Das
   
   
   

1. Trie Beginner Guide - Adilet
   
2. Problems List - Made by Adilet, compiled by JSD
   
   
   
   
   

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1. Binary Search Template - Zhijun Liao
   
2. Problems List - Jayant
   
   
   

1. Sorting Algos Guide - Aditi Gupta
   
   
   

1. Problems List - Jayant
   
   
   

1. Dynamic Programming Patterns - Akash
2. DP for Beginners - Jayant
3. Problems List - Jayant
   
   
   

1. Master Recursion(Inspired by Aditya Verma) - Himanshu Malik
   
   
   

1. Bit Manipulation Guide - Song-Lei
   
   

1. Two Pointers Problems - chuka231
   (solve only 1/3 problems from the post, few from every category)
   
   
   

1. Sliding Window Guide - Prashant Nigam
   
2. Problems List - Made by Prashant, compiled by yours truly
   
   
   
   
   

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1. OOPS Quick Notes - baibhab
   
   
   

1. SQL 1 , 2 , 3 , 4 - farlowdw
   
   
   

1. Computer Network Quick Notes - baibhab
   
   
   

1. LLD solutions
   
   
   
   
   

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1. Links to Some Great Posts on LeetCode
   
   
2. Blind 75 - Made By Yangsun Tay, compiled by Krishna
   
   
3. Helpful LeetCode Posts on System Design
   
   
4. Beginner's Guide on Interview Prep - Aman