LeetCode Solutions Repository

This repository contains my solutions to a variety of LeetCode problems, organized by topics and categories, including SQL queries, Pandas exercises, and the LeetCode 75 series. Each problem folder includes solutions in MySQL, MsSQL, R and Python where applicable.

SQL Top 50 Q

A collection of solutions for the top 50 SQL questions on LeetCode. Solutions are categorized under topics like SELECT and BASIC JOINS. Each question folder contains:

• MySQL Solution: The solution using MySQL.
• MsSQL Solution: The solution using MsSQL.
• Pandas Solution: The solution using Pandas in Python.

SQL_Top_50_Q/
├── Select/
│   ├── Recyclable and Low Fat Products/
│   │   ├── MySQL_solution.sql
│   │   ├── Pandas_solution.py
│   │   └── MsSQL_solution.sql
│   └── ...
│
├── Basic Joins/
│   ├── Replace Employee ID With The Unique Identifier/
│   └── ...
├── ...

Daily Problems

A collection of solutions for the daily problems on LeetCode. Solutions are categorized under each question names. Each question folder contains:

• solution.py: The solution using Python.
• solution.R: The solution using R.

Daily_Problems/

├── Easy/
│   ├── 344. Reverse String/
│   │   ├── solution.R
│   │   └── solution.py
│   └── ...
├── Medium/
│   └── ...
└── Hard/
    └── ...

How to Use This Repository

• Navigate to the desired category (e.g., SQL Top 50 Q or Daily Problems).
• Inside each category, find solutions to individual problems, organized by their LeetCode problem names.
• create_problem.py is for updating the structure of the repo.

Contributing

If you'd like to contribute or improve solutions, feel free to fork this repository, make updates, and submit a pull request!

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Happy coding!