---
title: "Discussion on \"Advent of Code 2020: Day 15 (Ruby solution)\" | Hashnode"
description: "Discussion on \"Advent of Code 2020: Day 15 (Ruby solution)\". Today's puzzle is a kind of n-back game.\nIn this game, the players take turns saying numbers. They begin by taking turns reading from a list of starting numbers (the puzzle input). Then, each turn consists of considering the most recently spoken numb..."
url: "https://hashnode.com/posts/advent-of-code-2020-day-15-ruby-solution/5fd8bdcc8e53531d6e0ce004"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [Advent of Code 2020: Day 15 (Ruby solution)](https://rubywizards.com/advent-of-code-2020-day-15-ruby-solution?utm_source=hashnode&utm_medium=feed)

Today's puzzle is a kind of n-back game. In this game, the players take turns saying numbers. They begin by taking turns reading from a list of starting numbers (the puzzle input). Then, each turn consists of considering the most recently spoken numb...

Dec 15, 2020 · 1 min read · rubywizards.com  
Updated Apr 13, 2021  
Read the article

-   [#ruby](https://hashnode.com/tag/ruby)

## Written by

[Piotr Jurewicz](https://hashnode.com/@pjurewicz)

@pjurewicz · Łódź, Poland

  
[View profile](https://hashnode.com/@pjurewicz)

ruby on rails developer

## Responses

Markdown supported · ⌘↵ to post

No responses yet.