Sifu

Annotations

File Names

With # prefix can mean one of the following:

1. No implementation yet(NO CODE :-))
2. Need to simplify the logic
3. The CODE cannot run AS IS or It doesn't pass the test cases

Consider this as a draft file.

Examples

No. input -> output => Explanation
No: Enumerator, example number

Examples
[1, 2, 3, 4, 5] -> 3 => Node 3 from this list
1. [1, 2, 3, 4, 5] -> 3 => Node 3 from this list

Data Structures

1. [x] Arrays
2. [x] Matrix
3. [x] Strings
4. [x] Hashmaps + Hashsets
5. [x] Stacks
6. [x] Queues
7. [x] LinkedList
8. [x] Heaps
9. [x] Trees
10. [x] Trie
11. [x] Graphs

Algorithms

1. [x] General Algorithms
2. [x] Sorting
3. [x] Binary Search
4. [x] Numbers n Math
5. [x] Two Pointers
6. [x] Slinding Window
7. [x] Recursion
8. [x] DFS
9. [x] Dynamic Programming
10. [x] Backtracking
11. [x] String Matching - KMP

Preparation

Guide

1. https://serhatgiydiren.github.io/preparation-guide-for-tech-interviews

Curated DSA Websites

1. https://goodtecher.com/
2. https://aaronice.gitbook.io/lintcode
3. https://github.com/iverson52000/DataStructure_Algorithm
4. https://github.com/jiselectric/Algorithm
5. https://github.com/kdn251/interviews/tree/master/leetcode
6. https://github.com/xizhengszhang/Leetcode_company_frequency/blob/master/Summary/leetcode%20Notes.pdf
7. https://github.com/jwasham/code-catalog-python/blob/master/catalog/suggested/
8. https://zhaonanli.gitbooks.io/leetcode/content
9. https://techlarry.github.io/Leetcode/202.%20Happy%20Number/
10. https://adit0503.gitbook.io/leetcode/200.-number-of-islands
11. https://maxming0.github.io/
12. https://linlaw0229.github.io/
13. https://velog.io/@jiselectric/Leetcode-Powx-n
14. https://mrleonhuang.gitbooks.io/lintcode/content
15. https://leetcode.xnerv.wang/zigzag-conversion/
16. https://leetcode.com/discuss/general-discussion/494279/comprehensive-data-structure-and-algorithm-study-guide
17. https://somjang.tistory.com/entry/leetCode-729-My-Calendar-I-Python?category=351755
18. https://quanticdev.com/algorithms/dynamic-programming/sliding-window/
19. https://igotanoffer.com/blogs/tech/google-software-engineer-interview
20. https://youtube.com/channel/UC_mYaQAE6-71rjSN6CeCA-g
21. https://walkccc.me/LeetCode/problems/0009/
22. https://czxttkl.com/category/leetcode/
23. https://hercy.me/

75 Curated Questions

1. https://seanprashad.com/leetcode-patterns/
2. https://docs.google.com/spreadsheets/d/1A2PaQKcdwO_lwxz9bAnxXnIQayCouZP6d-ENrBz_NXc/edit#gid=0
3. https://leetcode.com/list/xi4ci4ig/
4. https://leetcode.com/discuss/interview-question?currentPage=1&orderBy=hot&query
5. https://bit.ly/3ncS4wf

System Design

1. https://afteracademy.com/tech-interview/system-design/top-questions
2. https://github.com/shashank88/system_design
3. https://thinksoftware.medium.com/how-to-ace-object-oriented-design-interviews-4f9a667e0780
4. https://www.thinksoftwarelearning.com/courses/SystemDesignBible
5. https://github.com/donnemartin/system-design-primer
6. https://www.youtube.com/watch?v=seeiGC2HP48&list=PL_esswHjNwIeiFfVFer8uYly3Zk6YqXd0
7. https://www.youtube.com/watch?v=MZwctuH8OjE&list=UU-nf8kVIeRMAzW3SRMzJ8-g&index=18
8. https://iq.opengenus.org/microsoft-teams-system-design/
9. https://iq.opengenus.org/memcached-in-system-design/
10. LLD - https://github.com/tssovi/grokking-the-object-oriented-design-interview/blob/master/object-oriented-design-case-studies/design-a-car-rental-system.md
11. https://www.enjoyalgorithms.com/blog

System Desgn Others

1. https://systeminterview.com/design-youtube.php

Software Papers

1. https://github.com/facundoolano/software-papers
2. https://interviewready.io/blog/white-papers-worth-reading-for-software-engineers

Groupings

1. 2D
   DFS - [79, 130, 200, 695]
   DP - [62, 63, 64, 221, 1594]
2. BINARY SEARCH
   [33, 34, 69, 74, 153, 162, 374]
3. TREES
   BFS - [102, 103, 107, 199, 513, 515, 1161]
4. STACK
   [20, 155, 232, 225, 316, 678, 739, 844]
5. DESIGN
   [146, 359, 380, 384, 621, 933]

Books

1. Elements of Programming interviews in python adnan aziz
2. Daily Coding Link: Get Exceptionally Good at Coding by Alex Miller and Lawrence Wu
3. https://high-python-ext-3-algorithms.readthedocs.io/ko/latest/

Courses

1. Graphs
2. 10 Frequest asked questions
3. Top Coding question

Sites

1. Structy
2. AlgoExpert

Youtube Channels

1. Inside Code
2. Neetcode
3. Alvin the programmer

Others

1. https://www.lewuathe.com/radix-sort-in-python.html
2. https://stackabuse.com/radix-sort-in-python/
3. https://www.geeksforgeeks.org/python-program-for-radix-sort/
4. https://bit.ly/3nfLrtg
5. https://www.educative.io/blog/crack-amazon-coding-interview-questions
6. https://baihuqian.github.io/2018-09-08-nth-digit/
7. https://github.com/yangshun/tech-interview-handbook/blob/master/experimental/design/README.md
8. https://serhatgiydiren.github.io/

FAANG Questions

1. https://github.com/ombharatiya/FAANG-Coding-Interview-Questions

Leetcode Discuss - Explanatory Contributions

1. https://leetcode.com/Hieroglyphs/
2. https://leetcode.com/discuss/study-guide/1688903/solved-all-two-pointers-problems-in-100-days

General Programming

1. https://thevalleyofcode.com/

LEARN PYTHON

1. https://diveinto.org/python3/table-of-contents.html

ENGINERRING MANAGEMENT

1. https://github.com/ryanburgess/engineer-manager