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<b_jonas> slashlearn aoc//Advent of Code (AoC) is a series of programming puzzles that some regulars enjoy, found at "https://adventofcode.com/2019/about".
author HackEso <hackeso@esolangs.org>
date Mon, 16 Dec 2019 22:53:41 +0000
parents b9ced0a7783a
children
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#!/bin/bash
declare {{a..h},{j..t}}="$((i++))" letters=({{a..h},{j..t}}); while read -r; do echo "${letters[18-${REPLY:0:1}]}$((20-${REPLY:1}))"; done