LeetCode Challenge — [Matthew lew]

This repository contains selected LeetCode solutions, organized by difficulty and topic.
Cleaned, reusable solutions are in solutions/.

Mostly doing questions in order of easiest -> hardest in the neetcode 150

Structure

• solutions/{easy,medium,hard}/{topic}/ — polished solutions for review
• notes/ — short writeups: patterns, tips, cheat-sheets

Example Solution Format

Each solution file begins with a header describing:

• Problem title & number
• Difficulty & topic
• Short approach explanation
• Time & space complexity

Skills demonstrated

• Data structures, algorithms, dynamic programming
• Problem decomposition & complexity analysis
• Clean, documented code