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| Apr 11, 2022 | » | AoC 2021 Parsing Arguments
2 min; updated Apr 11, 2022
Parsing the Command Line lists a couple of libraries. and are the most popular options. Going with as it’s slightly more popular. {-# OPTIONS_GHC -Wall #-} module AoC2021Args (Args(..), aocArgParser) where import Options.Applicative import Data.Semigroup ((<>)) data Args = Args { day :: Int } aocArgParser :: Parser Args aocArgParser = Args <$> option auto ( long "day" <> help "The day to run code for. Use '0' to run all of the solutions.... |
| Mar 16, 2022 | » | AoC 2021 Day 09: Smoke Basin
13 min; updated Mar 16, 2022
Multi-dimensional arrays using |
| Mar 7, 2022 | » | AoC 2021 Day 08: Seven Segment Search
15 min; updated Mar 7, 2022
Day 8 - Advent of Code 2021. adventofcode.com . Accessed Mar 7, 2022. Part I Description You barely reach the safety of the cave when the whale smashes into the cave mouth, collapsing it. Sensors indicate another exit to this cave at a much greater depth, so you have no choice but to press on. As your submarine slowly makes its way through the cave system, you notice that the four-digit seven-segment displays in your submarine are malfunctioning; they must have been damaged during the escape.... |
| Feb 25, 2022 | » | AoC 2021 Day 04: Giant Squid
6 min; updated Feb 25, 2022
Day 4 - Advent of Code 2021. adventofcode.com . Accessed Feb 25, 2022. Part One You’re already almost 1.5km (almost a mile) below the surface of the ocean, already so deep that you can’t see any sunlight. What you can see, however, is a giant squid that has attached itself to the outside of your submarine. Maybe it wants to play bingo ?... |
| Feb 23, 2022 | » | AoC 2021 Day 03: Binary Diagnostic
14 min; updated Feb 23, 2022
Day 3 - Advent of Code 2021. adventofcode.com . Accessed Feb 23, 2022. Problem Description Part One The submarine has been making some odd creaking noises, so you ask it to produce a diagnostic report just in case. The diagnostic report (your puzzle input) consists of a list of binary numbers which, when decoded properly, can tell you many useful things about the conditions of the submarine.... |
| Feb 19, 2022 | » | Learning Haskell via AoC 2021
17 min; updated Feb 19, 2022
This page contains remarks on Haskell that I encountered when working with source files that span multiple AoC 2021 problems. and have Haskell solutions. It’ll be nice to compare how they solved the problems. I don’t want to end up perfecting the wrong approach! Setting Up Haskell Env for AoC To manage dependencies, Cabal and Stack are pretty popular. Stack incorporates the Cabal build system.... |
| Feb 18, 2022 | » | AoC 2021 Day 01: Sonar Sweep
6 min; updated Feb 18, 2022
Day 1 - Advent of Code 2021: Sonar Sweep. adventofcode.com . Accessed Feb 18, 2022. Part One As the submarine drops below the surface of the ocean, it automatically performs a sonar sweep of the nearby sea floor. On a small screen, the sonar weep report (your puzzle input) appears: each line is a measurement of the sea floor depth as the sweep looks further and further away from the submarine.... |