Learn what Advent of Code is, who created it, and how to play—step-by-step tips, strategies, and solutions to get started this December.

Introduction to Advent of Code: What It Is and How to Play It

Learn effective tips and strategies to solve Advent of Code puzzles, improve your coding skills, and get ready for Advent of Code 2025.

Advent of Code Solution - Tips and Guide

Advent of Code is an annual series of programming puzzles released daily in December; each day has two parts and everyone gets personalized input.