https://github.com/ahmed-maher77/programming-challenges__problem-solving
This is your all-in-one hub for mastering problem-solving through coding! This repository is a growing collection of challenges and solutions from various platforms such as Codewars, LeetCode, HackerRank, Edabit, and Codeforces—designed to strengthen your skills in JavaScript, TypeScript, and beyond.
https://github.com/ahmed-maher77/programming-challenges__problem-solving
codeforces codeforces-solutions codewars codewars-solutions hackerrank hackerrank-solutions javascript leetcode leetcode-solutions problem-solving programming-challenges programming-languages typescript
Last synced: 26 days ago
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This is your all-in-one hub for mastering problem-solving through coding! This repository is a growing collection of challenges and solutions from various platforms such as Codewars, LeetCode, HackerRank, Edabit, and Codeforces—designed to strengthen your skills in JavaScript, TypeScript, and beyond.
- Host: GitHub
- URL: https://github.com/ahmed-maher77/programming-challenges__problem-solving
- Owner: Ahmed-Maher77
- License: mit
- Created: 2024-04-03T15:39:02.000Z (about 2 years ago)
- Default Branch: main
- Last Pushed: 2025-04-13T15:25:23.000Z (about 1 year ago)
- Last Synced: 2025-04-13T15:31:13.258Z (about 1 year ago)
- Topics: codeforces, codeforces-solutions, codewars, codewars-solutions, hackerrank, hackerrank-solutions, javascript, leetcode, leetcode-solutions, problem-solving, programming-challenges, programming-languages, typescript
- Language: JavaScript
- Homepage:
- Size: 65.4 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# 🧠 Programming Challenges & Problem Solving
Welcome to your all-in-one hub for mastering problem-solving through coding! This repository is a growing collection of challenges and solutions from various platforms such as **Codewars**, **LeetCode**, **HackerRank**, **Edabit**, and **Codeforces**—designed to strengthen your skills in **JavaScript**, **TypeScript**, **C++**, and beyond.
---
## 📂 Project Structure
```
Programming-Challenges__Problem-Solving/
│
├── Leetcode-Challenges/ # solutions for LeetCode problems using different programming languages
├── Codeforces-Challenges/ # solutions for Codeforces problems using different programming languages
├── codewars-js/ # JavaScript solutions for Codewars problems
├── general-problem-solving/ # Other problems not tied to a specific platform
```
---
## ✨ What's Inside?
- ✅ Curated challenges with clear naming.
- 🧾 Well-commented solutions to explain logic.
- 🧠 Multiple approaches to the same problem where applicable.
- 🌐 Platform links for direct access to challenges.
---
## 🚀 Who Is This For?
Whether you're a beginner or a seasoned developer, this repository is for:
- 📚 Practicing algorithmic and data structure problems.
- 🧪 Preparing for technical interviews.
- 🛠️ Enhancing real-world problem-solving skills.
---
## 📘 Table of Contents
This table includes problems/challenges with their solutions:
| # | Challenge Name | Platform | Programming Language | Challenge Link | Solution Link [GitHub] |
| --- | ---------------------------------------------------- | ------------ | -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1 | Even or Odd | Codewars | JavaScript | Challenge 
| Solution |
| 2 | Sum of Positive | Codewars | JavaScript | Challenge 
| Solution |
| 3 | Sum without highest and lowest number | Codewars | JavaScript | Challenge | Solution |
| 4 | String repeat | Codewars | JavaScript | Challenge | Solution |
| 5 | Convert number to reversed array of digits | Codewars | JavaScript | Challenge | Solution |
| 6 | Counting Sheep | Codewars | JavaScript | Challenge | Solution |
| 7 | Opposite Number | Codewars | JavaScript | Challenge | Solution |
| 8 | Return Negative | Codewars | JavaScript | Challenge | Solution |
| 9 | Jenny's secret message | Codewars | JavaScript | Challenge | Solution |
| 10 | A Needle in the Haystack | Codewars | JavaScript | Challenge | Solution |
| 11 | Count of positives / sum of negatives | Codewars | JavaScript | Challenge | Solution |
| 12 | Double Char | Codewars | JavaScript | Challenge | Solution |
| 13 | Basic Mathematical Operations | Codewars | JavaScript | Challenge | Solution |
| 14 | RGB To Hex Conversion | Codewars | JavaScript | Challenge | Solution |
| 15 | Scrabble Score Challenge | Harvard-CS50 | TypeScript | Challenge | Solution |
| 16 | Find the most repeated word in the sentence | Codeforces | JavaScript | Challenge | Solution |
| 17 | Caesar Cipher Encryption | Harvard-CS50 | TypeScript | Challenge | Solution |
| 18 | Maximum Adjacent Pair Sum with Equal Largest Digit | Leetcode | C++ | Challenge | Solution |
| 19 | Median of Two Sorted Arrays — Merge-Based Approach | Leetcode | C++ | Challenge | Solution |
| 20 | Two Sum | Leetcode | C++, TypeScript | Challenge | Solution |
| 21 | Rotate Array | Leetcode | C++ | Challenge | Solution |
| 22 | Longest Palindrome by Concatenating Two Letter Words | Leetcode | C++ | Challenge | Solution |
| 23 | Max Pair Sum in an Array | Leetcode | C++ | Challenge | Solution |
| 24 | Minimum Pair Removal to Sort Array I | Leetcode | C++ | Challenge | Solution |
| 25 | Median of Two Sorted Arrays | Leetcode | C++ | Challenge | Solution |
| 26 | Container With Most Water | Leetcode | C++ | Challenge | Solution |
| 27 | Maximum Subarray | Leetcode | C++ | Challenge | Solution |
| 28 | Symmetric Tree | Leetcode | C++ | Challenge | Solution |
| 29 | Integer to Roman | Leetcode | JavaScript | Challenge | Solution |
| 30 | Longest Common Prefix | Leetcode | JavaScript | Challenge | Solution |
| 31 | Find Peak Element | Leetcode | JavaScript | Challenge | Solution |
| 32 | Search Insert Position | Leetcode | JavaScript | Challenge | Solution |
| 33 | Search a 2D Matrix | Leetcode | JavaScript | Challenge | Solution |
| 34 | Watermellon | Codeforces | C++ | Challenge | Solution |
| 35 | Boy or Girl | Codeforces | C++ | Challenge | Solution |
| 36 | Team | Codeforces | C++ | Challenge | Solution |
| 37 | Anton and Letters | Codeforces | C++ | Challenge | Solution |
| 38 | Sereja and Dima | Codeforces | C++ | Challenge | Solution |
| 39 | Books | Codeforces | C++ | Challenge | Solution |
| 40 | Pangram | Codeforces | C++ | Challenge | Solution |
| 41 | Xenia and Ringroad | Codeforces | C++ | Challenge | Solution |
| 42 | Sale | Codeforces | C++ | Challenge | Solution |
| 43 | System of Equations | Codeforces | C++ | Challenge | Solution |
| 44 | Points in Segments | Codeforces | C++ | Challenge | Solution |
| 45 | Diverse Team | Codeforces | C++ | Challenge | Solution |
| 46 | IQ Test | Codeforces | C++ | Challenge | Solution |
| 47 | Beautiful Matrix | Codeforces | C++ | Challenge | Solution |
| 48 | Vasya and String | Codeforces | C++ | Challenge | Solution |
| 49 | They Are Everywhere | Codeforces | C++ | Challenge | Solution |
| 50 | Cellular Network | Codeforces | C++ | Challenge | Solution |
| 51 | Petya and Strings | Codeforces | C++ | Challenge | Solution |
| 52 | Gravity Flip | Codeforces | C++ | Challenge | Solution |
| 53 | Anton and Danik | Codeforces | C++ | Challenge | Solution |
| 54 | Vanya and Fence | Codeforces | C++ | Challenge | Solution |
| 55 | Fence | Codeforces | C++ | Challenge | Solution |
---
## 🤝 Contributing
Want to contribute or add your own solutions?
1. Fork the repo
2. Create a new branch
3. Add your challenge + solution using the same naming structure
4. Open a PR (Pull Request)!
---
## 📜 License
This project is licensed under the [MIT License](LICENSE).
---
Happy coding! 💻