🎄 Advent of Code 2025

Solutions for Advent of Code 2025, written in JavaScript (Node.js).

This repository contains my daily solutions, notes, and helper utilities used while solving the Advent of Code programming puzzles.

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📦 Requirements

• Node.js (v18+ recommended)
• A basic familiarity with JavaScript

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🚀 Getting Started

Clone the repository:

git clone https://github.com/<your-username>/adventofcode2025.git
cd adventofcode2025

Each day has its own folder:

day01/
day02/
...
day25/

Inside each folder you’ll typically find:

dayXX.js        # Solution file
input.txt       # Puzzle input
testinput.txt   # Example input to understand the problem

Run a solution with:

node dayXX.js

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📅 Progress

• Day 01
• Day 02
• Day 03
• Day 04
• Day 05
• Day 06
• Day 07
• Day 08
• Day 09
• Day 10
• Day 11
• Day 12

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✨ Notes

• Solutions prioritize clarity and correctness over extreme brevity
• Most problems Propably have much more optimized approaches
• This repository is primarily for fun 🎅

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📜 License

This project is provided for personal and educational use. Advent of Code puzzles are created by Eric Wastl and are subject to the Advent of Code terms.

Happy coding & Merry Christmas! 🎄✨