This repository contains my daily LeetCode challenge solutions for September 2025. Each solution is organized by day, with problem name and code in Python/Java/C++.

This repository serves as a structured, long-term preparation resource for mastering problem-solving in Python, with a focus on data structures and algorithms commonly tested in technical interviews.

Getting ready for coding interviews can feel like a puzzle. You know you need to practice, but where do you start? LeetCode is a popular spot, and for students, there ...

In my previous benchmarks [1, 2], I showed that LLMs can successfully solve most Leetcode problems. However, they are better at solving well-known problems than novel ones. This can be explained by ...