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https://github.com/shobhakartiwari/ios_dsa_problems


https://github.com/shobhakartiwari/ios_dsa_problems

appdevelopment coding-interviews dsa dsa-practice frontend interview interview-preparation ios mentorship mobile-development mock swift tech

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README 

          
# iOS DSA Problems



## 📌 Purpose

This repository is dedicated to solving **Data Structures and Algorithms (DSA) problems in Swift**, particularly for **iOS developers preparing for coding interviews**. Many iOS developers struggle with DSA topics, and this initiative aims to **bridge that gap** by providing **well-structured solutions, explanations, and best practices** in Swift.



## 🎯 Why This Repository?

Many iOS developers focus heavily on UI/UX and app development but often **struggle with algorithmic problem-solving** during technical interviews. The goal of this repository is to **help iOS engineers become confident in DSA** by:



- Providing **Swift-based solutions** for common DSA problems.

- Encouraging **daily problem-solving** for consistency.

- Helping iOS developers **develop a strong algorithmic mindset**.

- Offering **optimized and well-documented** code for better understanding.



## 📁 Repository Structure

This repository is structured to keep problems **organized and accessible**.



```

📂 iOS_DSA_Problems

│-- 📂 Arrays

│   │-- Problem1.swift

│   │-- Problem2.swift

│-- 📂 LinkedLists

│   │-- Problem1.swift

│-- 📂 Trees

│   │-- Problem1.swift

│-- 📂 Graphs

│   │-- Problem1.swift

│-- 📂 Sorting

│   │-- QuickSort.swift

│   │-- MergeSort.swift

│-- README.md

```



Each folder contains problems **categorized by topic**, making it easier to navigate and focus on specific areas of improvement.



## 🚀 How to Contribute?

We **welcome contributions** from the iOS developer community! If you have a problem and solution to share:



1. Fork the repository.

2. Add your solution under the appropriate category.

3. Ensure the code is well-documented and optimized.

4. Create a pull request (PR) with a brief explanation.



## 🔧 Setup Instructions

If you want to **run and test** the problems locally, follow these steps:



1. Clone the repository:

   ```bash

   git clone https://github.com/yourusername/iOS_DSA_Problems.git

   ```

2. Open Xcode and create a new **Playground**.

3. Copy and paste the problem file into the Playground.

4. Run and test the solution.



## 📚 Topics Covered

This repository will **continuously be updated** with new problems covering:

- ✅ **Arrays & Strings**

- ✅ **Linked Lists**

- ✅ **Stacks & Queues**

- ✅ **Trees & Graphs**

- ✅ **Dynamic Programming**

- ✅ **Sorting & Searching**

- ✅ **Bit Manipulation**



Solving problems on Leetcode was hard for me until I started learning and applying these 17 essential patterns to solve problems: [ credit goes to Anshul Chhabra]



## 1 𝗧𝘄𝗼 𝗣𝗼𝗶𝗻𝘁𝗲𝗿𝘀

- https://lnkd.in/ezxUk2QF

- Sol: https://lnkd.in/eEcASc99



- ○ https://lnkd.in/eNstfd4s

- Sol:https://lnkd.in/eraTnDSK



- ○ https://lnkd.in/eeQMqQAk

- Sol:https://lnkd.in/e2WBd7nE



- ○ https://lnkd.in/eCRkMFHF

- Sol:https://lnkd.in/eWhyetVM



- ○ https://lnkd.in/efrJhnxS

- Sol:https://lnkd.in/ec9fmQQF



- ○ https://lnkd.in/e52tDx7S

- Sol:https://lnkd.in/ecmfqC9X



## 2. 𝗕𝗙𝗦 (𝗕𝗿𝗲𝗮𝗱𝘁𝗵 𝗙𝗶𝗿𝘀𝘁 𝗦𝗲𝗮𝗿𝗰𝗵)

- ○ https://lnkd.in/eyXZFs2h

- Sol: https://lnkd.in/e6YvizSy



- ○ https://lnkd.in/eSiS3QWf

- Sol: https://lnkd.in/eY9JcBbh



- ○ https://lnkd.in/e6WesDxh

- Sol: https://lnkd.in/enS2c4fb



- ○ https://lnkd.in/eNNkcZ2J

- Sol: https://lnkd.in/eQp6mRAm



- ○ https://lnkd.in/eXEdSMWv

- Sol: https://lnkd.in/eiCiBw6y



- ○ https://lnkd.in/ehWuPFUb

- Sol: https://lnkd.in/eadSYtMA



- ○ https://lnkd.in/eXy3zhbf

- Sol: https://lnkd.in/e_cJ4Hka



- ○ https://lnkd.in/e-bxeC3P

- Sol: https://lnkd.in/emeueGnM



## 3. 𝗕𝗮𝗰𝗸𝘁𝗿𝗮𝗰𝗸𝗶𝗻𝗴

- ○ https://lnkd.in/ey9wgr97

- Sol: https://lnkd.in/egmzh9ra



- ○ https://lnkd.in/euMX2F7F

- Sol: https://lnkd.in/eUPkj_Wf



- ○ https://lnkd.in/enPuG688

- Sol: https://lnkd.in/eyPsk2zT



- ○ https://lnkd.in/e3p2s5_m

- Sol: https://lnkd.in/eww4X6tE



- ○ https://lnkd.in/egQgx8BB

- Sol: https://lnkd.in/e8frcnVT



- ○ https://lnkd.in/eVbNBpRw

- Sol: https://lnkd.in/eWhbCK5W



- ○ https://lnkd.in/eGd_m5nC

- Sol: https://lnkd.in/euMr5aT3



- ○ https://lnkd.in/euFcqV4E

- Sol: https://lnkd.in/eqtTKThy



- ○ https://lnkd.in/eJ3w67qD

- Sol: https://lnkd.in/egyyju8q



- ○ https://lnkd.in/ejjunD69

-  Sol: https://lnkd.in/eZSRPHmh



- ○ https://lnkd.in/ebwB-pw4

- Sol: https://lnkd.in/erQRgWKa



- ○ https://lnkd.in/dsXUM9wF

-  Sol: https://lnkd.in/eq2Gv6W5



- ○ https://lnkd.in/etGfKzzQ

-  Sol: https://lnkd.in/eeewRr9y



- ○ https://lnkd.in/eW7vKaU7

-  Sol: https://lnkd.in/efWdrK-h



- ○ https://lnkd.in/eWzrEeZx

-  Sol: https://lnkd.in/eKhbVDnU



## 4. 𝗕𝗶𝗻𝗮𝗿𝘆 𝗦𝗲𝗮𝗿𝗰𝗵

- ○ https://lnkd.in/ezxUk2QF

-  Sol: https://lnkd.in/eEcASc99



- ○ https://lnkd.in/dH22n5cW

-  Sol: https://lnkd.in/etnMEwZ8



- ○ https://lnkd.in/eDkQHqgx

-  Sol: https://lnkd.in/eUbMEvH8



- ○ https://lnkd.in/ekbEy2jG

-  Sol: https://lnkd.in/e9Kpd_hd



- ○ https://lnkd.in/d3p8QFBe

-  Sol: https://lnkd.in/eyAbaQwX



- ○ https://lnkd.in/dK2piUNv

-  Sol: https://lnkd.in/ecB_bD7T



- ○ https://lnkd.in/epJe5sfk

-  Sol: https://lnkd.in/eVSBCk52



- ○ https://lnkd.in/ed3W8h-S

-  Sol: https://lnkd.in/eXd9FYme

  

- ○ https://lnkd.in/ehFb_AvM

-  Sol: https://lnkd.in/eu26gF9J



- ○ https://lnkd.in/ehzfixbV

-  Sol: https://lnkd.in/ecxjqRjr



## 🤝 Join the iOS DSA Community!

Feel free to **star ⭐ the repo**, fork, and contribute! If you're struggling with a problem, **open an issue**, and let's discuss and solve it together. Let's make **DSA accessible for all iOS developers**! 🚀



### 📬 Contact & Discussions

If you have any suggestions or want to discuss interview problems, reach out via:

- **LinkedIn**: [My Profile](https://www.linkedin.com/in/shobhakar-tiwari/)



Happy Coding! 🚀