interview-prep

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My Interview Preparation process, resources, findings

interview-prep 최신버젼 다운로드

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# Interview Preparation

My Interview Preparation process, resources, and findings.

## Leetcode problem list

I added a problem list as I learned. That means I started with Binary Search and went with Two-Pointers, etc.

| List 1                                                                          | List 2                                                                              | List 3                   |
| ------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | ------------------------ |
| **Binary Search**                                                               | **Depth-First Search**                                                              | **Breadth-First Search** |
| * [Easy](https://leetcode.com/problem-list/binary-search/?difficulty=EASY)      | * [Easy](https://leetcode.com/problem-list/depth-first-search/?difficulty=EASY)     | * [Easy](https://leetcode.com/problem-list/breadth-first-search/?difficulty=EASY)                                                                |
| * [Medium](https://leetcode.com/problem-list/binary-search/?difficulty=MEDIUM)  | * [Medium](https://leetcode.com/problem-list/depth-first-search/?difficulty=MEDIUM) | * [Medium](https://leetcode.com/problem-list/breadth-first-search/?difficulty=MEDIUM)                                                                |                         |
| * [Hard](https://leetcode.com/problem-list/binary-search/?difficulty=HARD)      | * [Hard](https://leetcode.com/problem-list/depth-first-search/?difficulty=HARD)     | * [Hard](https://leetcode.com/problem-list/breadth-first-search/?difficulty=Hard)                                                                |                        |
| **Two Pointers**                                                                | **Recursion**                                                                       | **Heap(Priority Queue)** |
| * [Easy](https://leetcode.com/problem-list/two-pointers/?difficulty=EASY)       | * [Easy](https://leetcode.com/problem-list/recursion/?difficulty=EASY)              | * [Easy](https://leetcode.com/problem-list/heap-priority-queue/?difficulty=EASY)                                                                |
| * [Medium](https://leetcode.com/problem-list/two-pointers/?difficulty=MEDIUM)   | * [Medium](https://leetcode.com/problem-list/recursion/?difficulty=MEDIUM)          | * [Medium](https://leetcode.com/problem-list/heap-priority-queue/?difficulty=MEDIUM)                                                                |
| * [Hard](https://leetcode.com/problem-list/two-pointers/?difficulty=HARD)       | * [Hard](https://leetcode.com/problem-list/recursion/?difficulty=HARD)              | * [Hard](https://leetcode.com/problem-list/heap-priority-queue/?difficulty=HARD)                                                                |
| **Sliding Window**                                                              | **Linked List**                                                                     | **Dynamic Programming**                         |
| * [Easy](https://leetcode.com/problem-list/sliding-window/?difficulty=EASY)     | * [Easy](https://leetcode.com/problem-list/linked-list/?difficulty=EASY)            | * [Easy](https://leetcode.com/problem-list/dynamic-programming/?difficulty=EASY)     |
| * [Medium](https://leetcode.com/problem-list/sliding-window/?difficulty=MEDIUM) | * [Medium](https://leetcode.com/problem-list/linked-list/?difficulty=MEDIUM)        | * [Medium](https://leetcode.com/problem-list/dynamic-programming/?difficulty=MEDIUM)  |
| * [Hard](https://leetcode.com/problem-list/sliding-window/?difficulty=HARD)     | * [Hard](https://leetcode.com/problem-list/linked-list/?difficulty=MEDIUM)          | * [Hard](https://leetcode.com/problem-list/dynamic-programming/?difficulty=HARD)     |
| **Prefix Sum**                                                                  | **Binary Search Tree**                                                              |                          |
| * [Easy](https://leetcode.com/problem-list/prefix-sum/?difficulty=EASY)         | * [Easy](https://leetcode.com/problem-list/binary-search-tree/?difficulty=EASY)     |                          |
| * [Medium](https://leetcode.com/problem-list/prefix-sum/?difficulty=MEDIUM)     | * [Medium](https://leetcode.com/problem-list/binary-search-tree/?difficulty=MEDIUM) |                          |
| * [Hard](https://leetcode.com/problem-list/prefix-sum/?difficulty=HARD)         | * [Hard](https://leetcode.com/problem-list/binary-search-tree/?difficulty=HARD)     |                          |

## Main progress tracking

The following resource I use to understand my progress and how I need to proceed.

* [Algo Monster](https://algo.monster/) -> I purchased the annual subscription, it has definitive sequential guidance and is more clear - **Premium**
* [Leetcode](https://leetcode.com/u/srzayev/) -> I purchased the annual subscription, specifically focusing on Google card - **Premium**
* [Algomap](https://algomap.io/) -> interesting resource to get the list of the problems we need to master.
* [Neetcode](https://neetcode.io/) -> extra progress tracking and learning place.
* [Structy](https://structy.net/) -> currently passing the free lessons, for easy explanations this guy is an expert.
* [Educative](https://www.educative.io/courses/grokking-coding-interview-patterns-python) -> as extra reading material for the solutions.
* [Tech Interview Handbook Grind 75](https://www.techinterviewhandbook.org/grind75)
* [Takeuforward](https://takeuforward.org/strivers-a2z-dsa-course/strivers-a2z-dsa-course-sheet-2)

## Youtube channels

* [Cracking FAANG](https://www.youtube.com/@crackfaang)
* [Neetcode](https://www.youtube.com/@NeetCode)
* [Greg Hogg](https://www.youtube.com/@GregHogg)
* [Nikhil Lohia](https://www.youtube.com/@nikoo28)

## Specific topics, that I find extremely helpful

* [Recursion - full course](https://www.youtube.com/watch?v=IJDJ0kBx2LM)
* [Graph Theory](https://youtube.com/playlist?list=PLpXOY-RxVRTPPVLBP6-sz6CMWxhtrI-v_&si=Xn3EUW5QTgdk9KFK)
* [Graph Algorithms Course for Technical Interviews](https://www.youtube.com/watch?v=2_Uuixtc5i0)
* [Graph Theory full playlist](https://www.youtube.com/playlist?list=PLDV1Zeh2NRsDGO4--qE8yH72HFL1Km93P)

## Maybe some certifications

* [Data Structures and Algorithms Specialization](https://www.coursera.org/specializations/data-structures-algorithms)
* [Meta-Coding Interview Preparation](https://www.coursera.org/learn/coding-interview-preparation)

## Weekly Leetcode Progress - I stopped tracking on 17.01.2025 - as now I understand that the LeetCode count makes less sense.
> instead will focus on the progress with Blind 75 or Top 150 questions

* 13.09.2024 - Friday

![Screenshot from 2024-09-13 15-11-15](https://github.com/user-attachments/assets/4c5eec89-cb73-4cd9-a067-c2a4bdc92f06)

* 20.09.2024 - Friday

![Screenshot from 2024-09-20 19-57-37](https://github.com/user-attachments/assets/761469b9-83fc-4b37-970d-2a10d4fb74db)

* 27.09.2024 - Friday

![Screenshot from 2024-09-27 19-50-08](https://github.com/user-attachments/assets/87835541-1351-441c-a94e-35791ebe461b)

* 04.10.2024 - Friday
  
![Screenshot from 2024-10-05 18-24-45](https://github.com/user-attachments/assets/2cfa9653-ab68-4dbe-be06-bacbc56b64ef)

* 11.10.2024 - Friday

![Screenshot from 2024-10-11 09-14-00](https://github.com/user-attachments/assets/aceb5083-6335-4945-a111-060f347a8e13)

* 18.10.2024 - Friday

![Screenshot from 2024-10-18 09-58-04](https://github.com/user-attachments/assets/0844cec5-94e5-4515-b19c-f4ecacb27890)

* 25.10.2024 - Friday

![Screenshot from 2024-10-26 08-57-29](https://github.com/user-attachments/assets/7d8e2d43-258d-4a80-8c75-751ee0059db9)

* 01.11.2024 - Friday (a week-long travel to Italy)

![Screenshot from 2024-11-03 11-09-56](https://github.com/user-attachments/assets/f8a7bdde-c760-405d-9b56-8a02ef3f279a)

* 08.11.2024 - Friday (a bit lost the traction, less motivation, and changed focus)

![Screenshot from 2024-11-08 12-10-30](https://github.com/user-attachments/assets/d42ae2bc-2b54-4928-9dd8-2fb5bef0b7d2)

* 15.11.2024 - Friday (still trying to have more motivation)

![Screenshot from 2024-11-15 12-42-04](https://github.com/user-attachments/assets/e2207d67-e970-4a40-a94b-c7735821bc60)

* 22.11.2024 - Friday

> This week was a bit hectic due to my full-time job and conference preparation at DevFest Berlin 2024. I also studied some topics related to urban mobility as a personal interest.

![Screenshot from 2024-11-22 10-11-30](https://github.com/user-attachments/assets/fde2259a-52e0-402d-8ea3-3144d47bdadb)

* 29.11.2024 - Friday

> Purchased the Leetcode Premium and tried to follow some guides. I spotted that `Sliding Window` questions are weak points for me.

![Screenshot from 2024-11-29 08-08-15](https://github.com/user-attachments/assets/8a7b76a2-7160-4b6a-a971-77c9fc5a3b53)

* 06.12.2024 - Friday
> I Traveled to Vilnius for the team building. Started the [Youtube Leetcode Playlist](https://www.youtube.com/playlist?list=PL0xSLrZOcI4vJlQlP25Nmc2_mjY1jY3G9) in Azerbaijani.

![Screenshot from 2024-12-06 13-32-35](https://github.com/user-attachments/assets/810b3076-e9d3-4f2c-b162-36fbfc8fcdda)

* 13.12.2024 - Friday
> Again lack of motivation hit me, in general work-related activities - end of the year.

![Screenshot from 2024-12-13 08-09-26](https://github.com/user-attachments/assets/17959c3e-c6b3-4b02-941c-eed39994d3c0)

* 20.12.2024 - Friday
> End of the year, holidays, and increased work-load, all affect the dedication

![Screenshot from 2024-12-20 08-19-14](https://github.com/user-attachments/assets/5688c7a0-7de7-4dab-a0e7-f48c6b74d75c)

* 27.12.2024 - The last Friday of 2024 :)
> As holidays and I have no vacation days left, the work-load is so-so, but the holiday vibe affects my attention

![Screenshot from 2024-12-27 10-40-04](https://github.com/user-attachments/assets/e09c82a1-bb4a-4470-a7d1-8cd7a2d6cbf1)

* 03.01.2025 - The first Friday of 2025 :)
> Only 1 challenge was solved, indicating decreased interest, lack of motivation, increased depression, and workload.

![Screenshot from 2025-01-03 16-23-31](https://github.com/user-attachments/assets/de8dff22-a145-4944-811b-e3b8b3d9c616)

* 10.01.2025 - Friday
> Mostly SQL challenges, started SQL 50 at Leetcode

![Screenshot from 2025-01-11 21-06-35](https://github.com/user-attachments/assets/16445442-d44f-4ab0-bd0c-5dff7c731a43)

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