---
title: "Discussion on \"Advent of Code 2020: Day 11 (Ruby solution)\" | Hashnode"
description: "Discussion on \"Advent of Code 2020: Day 11 (Ruby solution)\". This time the tasks were about modeling people taking seats in the waiting area. The seat layout is given as an input file.\nThe process of taking seats is iterative. Rules which are applied to every seat simultaneously differ for the first and second..."
url: "https://hashnode.com/posts/advent-of-code-2020-day-11-ruby-solution/5fd3a0b595130967e0991dcf"
---

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# [Advent of Code 2020: Day 11 (Ruby solution)](https://rubywizards.com/advent-of-code-2020-day-11-ruby-solution?utm_source=hashnode&utm_medium=feed)

This time the tasks were about modeling people taking seats in the waiting area. The seat layout is given as an input file. The process of taking seats is iterative. Rules which are applied to every seat simultaneously differ for the first and second...

Dec 11, 2020 · 2 min read · rubywizards.com  
Updated Apr 13, 2021  
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-   [#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

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