LeetCode Solutions 💻

A curated collection of my LeetCode problem solutions, organized for easy reference and learning.

📚 About

This repository contains my solutions to various LeetCode problems. Each solution includes:

• Clean, well-documented code
• Time and space complexity analysis
• Problem descriptions and constraints
• Multiple approaches where applicable

🎯 Goals

• Improve problem-solving skills
• Master data structures and algorithms
• Prepare for technical interviews
• Build a comprehensive reference library

📊 Progress

Difficulty	Solved	Total
Easy	0	TBD
Medium	0	TBD
Hard	0	TBD
Total	0	TBD

🗂️ Repository Structure

LeetCode/
├── README.md
├── Easy/
│   ├── 001-Two-Sum/
│   │   ├── solution.py
│   │   └── README.md
│   └── ...
├── Medium/
│   ├── 015-3Sum/
│   │   ├── solution.py
│   │   └── README.md
│   └── ...
└── Hard/
    ├── 004-Median-of-Two-Sorted-Arrays/
    │   ├── solution.py
    │   └── README.md
    └── ...

🏷️ Topics Covered

• Array & String
• Hash Table
• Two Pointers
• Sliding Window
• Binary Search
• Linked List
• Stack & Queue
• Tree & Graph
• Dynamic Programming
• Backtracking
• Greedy
• Divide and Conquer
• Bit Manipulation
• Math & Geometry

💡 Solution Template

Each problem folder contains:

README.md

# [Problem Number]. Problem Title

**Difficulty:** Easy/Medium/Hard

## Problem Description

[Description from LeetCode]

## Approach

[Explanation of the solution approach]

## Complexity Analysis

- **Time Complexity:** O(?)
- **Space Complexity:** O(?)

## Tags

`Array` `Hash Table` `Two Pointers`

solution.[ext]

• Clean, readable code
• Comments explaining key logic
• Optimized for time/space when possible

🚀 How to Use

1. Clone the repository:

   git clone https://github.com/yourusername/LeetCode.git
   cd LeetCode

2. Browse problems by difficulty level

3. Each solution includes detailed explanations and complexity analysis

📈 Learning Resources

• LeetCode
• NeetCode
• Big-O Cheat Sheet

🤝 Contributing

This is a personal learning repository, but feel free to:

• Suggest optimizations
• Report issues
• Share alternative approaches

📝 Notes

• Solutions are continuously updated and improved
• New problems added regularly
• Focus on understanding over memorization

📫 Connect

Feel free to reach out if you have questions or want to discuss solutions!

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Last Updated: February 20, 2026

Happy Coding! 🎉