algorithms.theroyakash.com

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algorithms.theroyakash.com

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algorithms.theroyakash.com website source code. [Materials for FAANG and top startup coding interview and running notes on that]

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<h1 align="center">
  <br>
  <a href="https://algorithms.theroyakash.com/"><img src="docs/images/theroyakashalgorithms.001.png" alt="AKDSFramework" width="800"></a>
  <br>
  theroyakash algorithms
  <br>
</h1>

<h4 align="center">Materials for FAANG and top startup coding interview and running notes on that. Made by <a href="https://theroyakash.com">theroyakash</a>.</h4>

<p align="center">
  <a href="https://algorithms.theroyakash.com/">Getting started</a> •
  <a href="https://algorithms.theroyakash.com/freebies/">Freebies</a> •
  <a href="https://learning.theroyakash.com/">theroyakash Learning Platform</a> •
  <a href="https://github.com/theroyakash/algorithms.theroyakash.com/blob/main/LICENSE">License</a>
</p>

---

<h4 align="center">
  <a href="https://github.com/sponsors/theroyakash">Support this project on GitHub by becoming a sponsor</a>
</h4>
<p align="center">This project is completely free and funded by <a href="https://theroyakash.com">@theroyakash</a> and private sponsors.</p>

## What is this?
This material categorizes coding interview problems into a set of **8 patterns**. Each pattern will be a complete tool - consisting of **data structures**, **algorithms**, and **analysis techniques** - to solve a specific category of problems. The goal is to build an understanding of the _underlying pattern_ so that we can apply that pattern to solve other problems.

**Complete guide and roadmap for SDE I and SDE II algorithm round.**

## Content overview

1. [Sliding Window Pattern](https://algorithms.theroyakash.com/arrays/sliding-window/), more is being added.
2. [Arrays](https://algorithms.theroyakash.com/arrays/array-problems/) and Strings (Coming soon)
3. [Recursion overview](https://algorithms.theroyakash.com/recursion/intro/) and [recursion problems (more) coming soon](https://algorithms.theroyakash.com/recursion/problems/)
4. [Linked lists overview](https://algorithms.theroyakash.com/LinkedLists/stl-usage/) and [problems](https://algorithms.theroyakash.com/LinkedLists/problems/)
5. [Stacks overview](https://algorithms.theroyakash.com/stacks/usage/) and [stack problems](https://algorithms.theroyakash.com/stacks/problems/) and Queues (coming soon)
6. [Binary Search overview](https://algorithms.theroyakash.com/binary-search/intro/) and [Problems (more coming soon)](https://algorithms.theroyakash.com/binary-search/problems/)
7. [Trees overview](https://algorithms.theroyakash.com/trees/implementation/) and [tree problem](/trees/problems/)
8. [Graphs overview](https://algorithms.theroyakash.com/graph/usage/), [graph bfs and dfs](https://algorithms.theroyakash.com/graph/bfs-dfs/) and [Graph Problems](https://algorithms.theroyakash.com/graph/problems/),
9. [Heaps overview](https://algorithms.theroyakash.com/heaps/heap-pq/) and [heap problems](https://algorithms.theroyakash.com/heaps/problems/) and [2 heaps problems](https://algorithms.theroyakash.com/2heaps/problems/).
10. [Greedy algorithms](https://algorithms.theroyakash.com/greedy/problems/)
11. [Dynamic Programming](https://algorithms.theroyakash.com/dp/problems/)
12.  Bit Manipulation (With C/C++) (coming soon)

## Problem Counter
The following table is meant to represent the amount of problems has a full analysis in the website. Maybe incorrectly represented upto 1-2 problems.

| **Problem Concepts**                                                                                 | **Number of problems with detailed solutions** |
| ---------------------------------------------------------------------------------------------------- | ---------------------------------------------- |
| [Linked List Problems](https://algorithms.theroyakash.com/LinkedLists/problems/)                     | $15$                                           |
| [Binary Search (Interview Problems)](/binary-search/problems/)                                       | $22$ |
| [Tree Problems](https://algorithms.theroyakash.com/trees/problems/)                                  | $26$                                           |
| [Graph Traversals, BFS, DFS and applications](https://algorithms.theroyakash.com/graph/bfs-dfs/)     | $3$                                            |
| [Graph Standard Problems](https://algorithms.theroyakash.com/graph/problems/)                        | $4$                                            |
| [Graph Interview Problems](https://algorithms.theroyakash.com/graph/problems/)                       | $8$                                            |
| [Stack Problems](https://algorithms.theroyakash.com/stacks/problems/)                                | $10$                                           |
| [Heap Problems](https://algorithms.theroyakash.com/heaps/problems/)                                  | $7$                                            |
| [2 Heap Problems](https://algorithms.theroyakash.com/2heaps/problems/)                               | $2$ problem scheduled to be added              |
| [Array Problems](https://algorithms.theroyakash.com/arrays/array-problems/)                          | $22$            |
| [Array + Sliding window concept Problems](https://algorithms.theroyakash.com/arrays/sliding-window/) | $4$                                            |
| [Recursion Problems](https://algorithms.theroyakash.com/recursion/problems/)                         | $3$, more will be added soon                   |
| [Dynamic Programming](https://algorithms.theroyakash.com/dp/problems/)                                                                                  | $11$                                |
| [Greedy Algorithms](https://algorithms.theroyakash.com/greedy/problems/)                             | 2                                              |
| **Total Number of Problems with Full analysis**                                                      | $139$ problems with **FULL** analysis           |

## Also Coming Soon

Few more freebies coming soon
- Distributed Systems Book (expected 2023 Summer).

## Other Products
See the [freebies](https://algorithms.theroyakash.com/freebies/) page to see more products available for free to use.

## Who am I?
![Image title](https://images.unsplash.com/photo-1595254771206-5bded301347a?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1074&q=80)

I go by theroyakash on the internet. I am a computer scientist, a masters student in computer science from **Indian Institute of Technology (IIT) Madras**, with research in **high-performance algorithms**, **data structures**, **distributed systems**, and beyond. I am an upcoming software engineering intern at Amazon India. See my work searching google for [theroyakash](https://g.co/kgs/Yx9DpE) and on [Github](https://github.com/theroyakash).

## Other links
- Visit my website [here](https://theroyakash.com/).
- My [Github](https://github.com/theroyakash),
- [More about me](https://theroyakash.com/about/),
- [Send me an email](mailto:hey@theroyakash.com).

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