---
title: "Discussion on \"Advent of Code 2020: Day 5 (Ruby solution)\" | Hashnode"
description: "Discussion on \"Advent of Code 2020: Day 5 (Ruby solution)\". Here is my solution for puzzles of the  5th day  of the Advent of Code 2020 event.\nThe crucial thing is to notice that entries in the input file are just binary numbers where F and L stand for 0, B and R stand for 1.\nAfter converting them to decimal ..."
url: "https://hashnode.com/posts/advent-of-code-2020-day-5-ruby-solution/5fcb9f7e7865da78339e6325"
---

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# [Advent of Code 2020: Day 5 (Ruby solution)](https://rubywizards.com/advent-of-code-2020-day-5-ruby-solution?utm_source=hashnode&utm_medium=feed)

Here is my solution for puzzles of the 5th day of the Advent of Code 2020 event. The crucial thing is to notice that entries in the input file are just binary numbers where F and L stand for 0, B and R stand for 1. After converting them to decimal ...

Dec 5, 2020 · 1 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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