Discover how to leverage Scala programming skills to solve Advent of Code challenges and save Christmas in this 43-minute conference talk. Learn why Scala is an excellent choice for tackling these puzzles, gain insights into parsing input files, and explore the Scala collections library. Compare functional and imperative programming styles, understand the trade-offs between mutable and immutable data structures, and avoid common pitfalls. Gain a competitive advantage in Advent of Code participation while honing your Scala expertise through practical problem-solving examples from the 2022 event.