Here I have listed all the needed resources for everyone .

By following these links , You may be frustated as there is lot of data in it . So you can use the links which suits you .

My suggestion would be : Try to Code Your Own Provided that You Understand The Logic Well

Important Link All over the LeetCode :

https://leetcode.com/discuss/general-discussion/665604/important-and-useful-links-from-all-over-the-leetcode

Important Problems To Do and Some Tips-

https://leetcode.com/discuss/career/449744/Google-Interview-Tips-%2B-FAQs-Answered-%2B-Resources

IMP LINKS :

https://leetcode.com/discuss/interview-experience/716202/AMZ-or-Google-or-Facebook-or-Offer-or-Rejector-Reject-or-My-journey-from-failure-to-offer-at-FAANG

https://leetcode.com/discuss/study-guide/1151183/TIPS-or-HACKS-WHICH-YOU-CAN'T-IGNORE-AS-A-CODER

https://leetcode.com/discuss/study-guide/1098600/TOPICS-WHICH-YOU-CAN'T-SKIP-INTERVIEW-PREPARATION-or-STUDY-PLAN-USING-LEETCODE

https://leetcode.com/discuss/study-guide/623011/A-guide-for-dummies-(like-me)

https://leetcode.com/discuss/general-discussion/1030737/A-Full-year-with-no-days-off-My-thoughts.

https://leetcode.com/discuss/general-discussion/459286/Best-Posts-of-2019

Contest Thoughts :

https://leetcode.com/discuss/general-discussion/940379/Advice-%3A-Contest-Tips-for-those-who-are-Beginning-from-a-Seasoned-Contest-Participant!

JAVA :

https://leetcode.com/discuss/study-guide/1170715/Java-or-Data-Structure-Mostly-used-Syntax

Follow Backtracking Solution Patterns :

https://leetcode.com/problems/combination-sum/discuss/16502/A-general-approach-to-backtracking-questions-in-Java-(Subsets-Permutations-Combination-Sum-Palindrome-Partitioning)

System Design For Interview - Everything Inside :

https://leetcode.com/discuss/interview-question/1140451/Helpful-list-of-LeetCode-Posts-on-System-Design-at-Facebook-Google-Amazon-Uber-Microsoft

https://leetcode.com/discuss/career/229177/My-System-Design-Template

https://github.com/donnemartin/system-design-primer

https://leetcode.com/discuss/interview-question/system-design/1205825/FANG-System-Design-Interview-Preparation-Master-Doc

For Dynamic Programming :

1. https://leetcode.com/discuss/general-discussion/458695/dynamic-programming-patterns

For Learning Distributed System :

1. http://book.mixu.net/distsys/single-page.html

Tree :
https://leetcode.com/discuss/study-guide/1212004/Binary-Trees-study-guide

https://leetcode.com/discuss/study-guide/1337373/Tree-question-pattern-oror2021-placement

Graph Algorithm which may be asked in coding interview :
https://leetcode.com/discuss/interview-question/753236/List-of-graph-algorithms-for-coding-interview

https://leetcode.com/discuss/study-guide/655708/Graph-For-Beginners-Problems-or-Pattern-or-Sample-Solutions

https://leetcode.com/discuss/general-discussion/969327/Graph-Algorithms-One-Place-or-Dijkstra-or-Bellman-Ford-or-Floyd-Warshall-or-Prims-or-Kruskals-or-DSU

15 most important graph algorithms you must know:

1. BFS
2. DFS
3. Dijkstra
4. Bell man ford
5. Floyd- warshall
6. Kosarajus
7. Tarjans
8. Disjoint set (Union-Find)
9. Topological sort
10. Flood Fill algo
11. Prims
12. Kruskals
13. Trie
14. Euler's and Hamilton's algo
15. Ford-Fulkerson Algorithm

Binary Search Template Python :

https://leetcode.com/discuss/study-guide/786126/Python-Powerful-Ultimate-Binary-Search-Template.-Solved-many-problems

Union Find or DSU :
https://leetcode.com/discuss/general-discussion/1072418/Disjoint-Set-Union-(DSU)Union-Find-A-Complete-Guide

Database :
https://cheatography.com/natalie-moore/cheat-sheets/conceptual-database-design/

https://leetcode.com/discuss/interview-question/1177601/Flipkart-or-Machine-Coding-or-Design-Online-Coding-Platform-CODING-BLOX-Leetcode-LLD

Operating System :
https://leetcode.com/discuss/interview-question/operating-system/124638/what-happens-in-the-background-from-the-time-you-press-the-Power-button-until-the-Linux-login-prompt-appears

Trie :
https://leetcode.com/discuss/study-guide/680706/Article-on-Trie.-General-Template-and-List-of-problems.

String :
https://leetcode.com/discuss/study-guide/651719/How-to-solve-DP-String-Template-and-4-Steps-to-be-followed.

SOME TIPS :
https://leetcode.com/discuss/study-guide/698684/Interview-Preparation-for-Beginners-DS-or-Algorithms-or-OS-or-System-Design

https://leetcode.com/discuss/study-guide/1177039/%22Practice-More-Learn-More%22-greater-Study-Guide-and-Interview-Preparation-Using-LEETCODE

https://leetcode.com/discuss/general-discussion/390646/I-Leetcoded-(And-So-Can-You!)

IF YOU FIND SOME BETTER TOPICS PLEASE POST THEM BELOW and along with this use them also .