Completed Day 1
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.gitignore
vendored
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.gitignore
vendored
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|||||||
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## Ignore Visual Studio temporary files, build results, and
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||||||
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## files generated by popular Visual Studio add-ons.
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||||||
|
##
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||||||
|
## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
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||||||
|
|
||||||
|
# User-specific files
|
||||||
|
*.rsuser
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||||||
|
*.suo
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||||||
|
*.user
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||||||
|
*.userosscache
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||||||
|
*.sln.docstates
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||||||
|
|
||||||
|
# User-specific files (MonoDevelop/Xamarin Studio)
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||||||
|
*.userprefs
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||||||
|
|
||||||
|
# Mono auto generated files
|
||||||
|
mono_crash.*
|
||||||
|
|
||||||
|
# Build results
|
||||||
|
[Dd]ebug/
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||||||
|
[Dd]ebugPublic/
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||||||
|
[Rr]elease/
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||||||
|
[Rr]eleases/
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||||||
|
x64/
|
||||||
|
x86/
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||||||
|
[Ww][Ii][Nn]32/
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||||||
|
[Aa][Rr][Mm]/
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||||||
|
[Aa][Rr][Mm]64/
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||||||
|
bld/
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||||||
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[Bb]in/
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||||||
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[Oo]bj/
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||||||
|
[Ll]og/
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||||||
|
[Ll]ogs/
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||||||
|
|
||||||
|
# Visual Studio 2015/2017 cache/options directory
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||||||
|
.vs/
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||||||
|
# Uncomment if you have tasks that create the project's static files in wwwroot
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||||||
|
#wwwroot/
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||||||
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|
||||||
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# Visual Studio 2017 auto generated files
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||||||
|
Generated\ Files/
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||||||
|
|
||||||
|
# MSTest test Results
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||||||
|
[Tt]est[Rr]esult*/
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||||||
|
[Bb]uild[Ll]og.*
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||||||
|
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||||||
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# NUnit
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||||||
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*.VisualState.xml
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||||||
|
TestResult.xml
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||||||
|
nunit-*.xml
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||||||
|
|
||||||
|
# Build Results of an ATL Project
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||||||
|
[Dd]ebugPS/
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||||||
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[Rr]eleasePS/
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||||||
|
dlldata.c
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||||||
|
|
||||||
|
# Benchmark Results
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||||||
|
BenchmarkDotNet.Artifacts/
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||||||
|
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||||||
|
# .NET Core
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||||||
|
project.lock.json
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||||||
|
project.fragment.lock.json
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||||||
|
artifacts/
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||||||
|
|
||||||
|
# ASP.NET Scaffolding
|
||||||
|
ScaffoldingReadMe.txt
|
||||||
|
|
||||||
|
# StyleCop
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||||||
|
StyleCopReport.xml
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||||||
|
|
||||||
|
# Files built by Visual Studio
|
||||||
|
*_i.c
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||||||
|
*_p.c
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|
*_h.h
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||||||
|
*.ilk
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||||||
|
*.meta
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||||||
|
*.obj
|
||||||
|
*.iobj
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||||||
|
*.pch
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||||||
|
*.pdb
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||||||
|
*.ipdb
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||||||
|
*.pgc
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||||||
|
*.pgd
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||||||
|
*.rsp
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||||||
|
# but not Directory.Build.rsp, as it configures directory-level build defaults
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||||||
|
!Directory.Build.rsp
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||||||
|
*.sbr
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||||||
|
*.tlb
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||||||
|
*.tli
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||||||
|
*.tlh
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||||||
|
*.tmp
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||||||
|
*.tmp_proj
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||||||
|
*_wpftmp.csproj
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||||||
|
*.log
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||||||
|
*.tlog
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||||||
|
*.vspscc
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||||||
|
*.vssscc
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||||||
|
.builds
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||||||
|
*.pidb
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||||||
|
*.svclog
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||||||
|
*.scc
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||||||
|
|
||||||
|
# Chutzpah Test files
|
||||||
|
_Chutzpah*
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||||||
|
|
||||||
|
# Visual C++ cache files
|
||||||
|
ipch/
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||||||
|
*.aps
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||||||
|
*.ncb
|
||||||
|
*.opendb
|
||||||
|
*.opensdf
|
||||||
|
*.sdf
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||||||
|
*.cachefile
|
||||||
|
*.VC.db
|
||||||
|
*.VC.VC.opendb
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||||||
|
|
||||||
|
# Visual Studio profiler
|
||||||
|
*.psess
|
||||||
|
*.vsp
|
||||||
|
*.vspx
|
||||||
|
*.sap
|
||||||
|
|
||||||
|
# Visual Studio Trace Files
|
||||||
|
*.e2e
|
||||||
|
|
||||||
|
# TFS 2012 Local Workspace
|
||||||
|
$tf/
|
||||||
|
|
||||||
|
# Guidance Automation Toolkit
|
||||||
|
*.gpState
|
||||||
|
|
||||||
|
# ReSharper is a .NET coding add-in
|
||||||
|
_ReSharper*/
|
||||||
|
*.[Rr]e[Ss]harper
|
||||||
|
*.DotSettings.user
|
||||||
|
|
||||||
|
# TeamCity is a build add-in
|
||||||
|
_TeamCity*
|
||||||
|
|
||||||
|
# DotCover is a Code Coverage Tool
|
||||||
|
*.dotCover
|
||||||
|
|
||||||
|
# AxoCover is a Code Coverage Tool
|
||||||
|
.axoCover/*
|
||||||
|
!.axoCover/settings.json
|
||||||
|
|
||||||
|
# Coverlet is a free, cross platform Code Coverage Tool
|
||||||
|
coverage*.json
|
||||||
|
coverage*.xml
|
||||||
|
coverage*.info
|
||||||
|
|
||||||
|
# Visual Studio code coverage results
|
||||||
|
*.coverage
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||||||
|
*.coveragexml
|
||||||
|
|
||||||
|
# NCrunch
|
||||||
|
_NCrunch_*
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||||||
|
.*crunch*.local.xml
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||||||
|
nCrunchTemp_*
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||||||
|
|
||||||
|
# MightyMoose
|
||||||
|
*.mm.*
|
||||||
|
AutoTest.Net/
|
||||||
|
|
||||||
|
# Web workbench (sass)
|
||||||
|
.sass-cache/
|
||||||
|
|
||||||
|
# Installshield output folder
|
||||||
|
[Ee]xpress/
|
||||||
|
|
||||||
|
# DocProject is a documentation generator add-in
|
||||||
|
DocProject/buildhelp/
|
||||||
|
DocProject/Help/*.HxT
|
||||||
|
DocProject/Help/*.HxC
|
||||||
|
DocProject/Help/*.hhc
|
||||||
|
DocProject/Help/*.hhk
|
||||||
|
DocProject/Help/*.hhp
|
||||||
|
DocProject/Help/Html2
|
||||||
|
DocProject/Help/html
|
||||||
|
|
||||||
|
# Click-Once directory
|
||||||
|
publish/
|
||||||
|
|
||||||
|
# Publish Web Output
|
||||||
|
*.[Pp]ublish.xml
|
||||||
|
*.azurePubxml
|
||||||
|
# Note: Comment the next line if you want to checkin your web deploy settings,
|
||||||
|
# but database connection strings (with potential passwords) will be unencrypted
|
||||||
|
*.pubxml
|
||||||
|
*.publishproj
|
||||||
|
|
||||||
|
# Microsoft Azure Web App publish settings. Comment the next line if you want to
|
||||||
|
# checkin your Azure Web App publish settings, but sensitive information contained
|
||||||
|
# in these scripts will be unencrypted
|
||||||
|
PublishScripts/
|
||||||
|
|
||||||
|
# NuGet Packages
|
||||||
|
*.nupkg
|
||||||
|
# NuGet Symbol Packages
|
||||||
|
*.snupkg
|
||||||
|
# The packages folder can be ignored because of Package Restore
|
||||||
|
**/[Pp]ackages/*
|
||||||
|
# except build/, which is used as an MSBuild target.
|
||||||
|
!**/[Pp]ackages/build/
|
||||||
|
# Uncomment if necessary however generally it will be regenerated when needed
|
||||||
|
#!**/[Pp]ackages/repositories.config
|
||||||
|
# NuGet v3's project.json files produces more ignorable files
|
||||||
|
*.nuget.props
|
||||||
|
*.nuget.targets
|
||||||
|
|
||||||
|
# Microsoft Azure Build Output
|
||||||
|
csx/
|
||||||
|
*.build.csdef
|
||||||
|
|
||||||
|
# Microsoft Azure Emulator
|
||||||
|
ecf/
|
||||||
|
rcf/
|
||||||
|
|
||||||
|
# Windows Store app package directories and files
|
||||||
|
AppPackages/
|
||||||
|
BundleArtifacts/
|
||||||
|
Package.StoreAssociation.xml
|
||||||
|
_pkginfo.txt
|
||||||
|
*.appx
|
||||||
|
*.appxbundle
|
||||||
|
*.appxupload
|
||||||
|
|
||||||
|
# Visual Studio cache files
|
||||||
|
# files ending in .cache can be ignored
|
||||||
|
*.[Cc]ache
|
||||||
|
# but keep track of directories ending in .cache
|
||||||
|
!?*.[Cc]ache/
|
||||||
|
|
||||||
|
# Others
|
||||||
|
ClientBin/
|
||||||
|
~$*
|
||||||
|
*~
|
||||||
|
*.dbmdl
|
||||||
|
*.dbproj.schemaview
|
||||||
|
*.jfm
|
||||||
|
*.pfx
|
||||||
|
*.publishsettings
|
||||||
|
orleans.codegen.cs
|
||||||
|
|
||||||
|
# Including strong name files can present a security risk
|
||||||
|
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
|
||||||
|
#*.snk
|
||||||
|
|
||||||
|
# Since there are multiple workflows, uncomment next line to ignore bower_components
|
||||||
|
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
|
||||||
|
#bower_components/
|
||||||
|
|
||||||
|
# RIA/Silverlight projects
|
||||||
|
Generated_Code/
|
||||||
|
|
||||||
|
# Backup & report files from converting an old project file
|
||||||
|
# to a newer Visual Studio version. Backup files are not needed,
|
||||||
|
# because we have git ;-)
|
||||||
|
_UpgradeReport_Files/
|
||||||
|
Backup*/
|
||||||
|
UpgradeLog*.XML
|
||||||
|
UpgradeLog*.htm
|
||||||
|
ServiceFabricBackup/
|
||||||
|
*.rptproj.bak
|
||||||
|
|
||||||
|
# SQL Server files
|
||||||
|
*.mdf
|
||||||
|
*.ldf
|
||||||
|
*.ndf
|
||||||
|
|
||||||
|
# Business Intelligence projects
|
||||||
|
*.rdl.data
|
||||||
|
*.bim.layout
|
||||||
|
*.bim_*.settings
|
||||||
|
*.rptproj.rsuser
|
||||||
|
*- [Bb]ackup.rdl
|
||||||
|
*- [Bb]ackup ([0-9]).rdl
|
||||||
|
*- [Bb]ackup ([0-9][0-9]).rdl
|
||||||
|
|
||||||
|
# Microsoft Fakes
|
||||||
|
FakesAssemblies/
|
||||||
|
|
||||||
|
# GhostDoc plugin setting file
|
||||||
|
*.GhostDoc.xml
|
||||||
|
|
||||||
|
# Node.js Tools for Visual Studio
|
||||||
|
.ntvs_analysis.dat
|
||||||
|
node_modules/
|
||||||
|
|
||||||
|
# Visual Studio 6 build log
|
||||||
|
*.plg
|
||||||
|
|
||||||
|
# Visual Studio 6 workspace options file
|
||||||
|
*.opt
|
||||||
|
|
||||||
|
# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
|
||||||
|
*.vbw
|
||||||
|
|
||||||
|
# Visual Studio 6 auto-generated project file (contains which files were open etc.)
|
||||||
|
*.vbp
|
||||||
|
|
||||||
|
# Visual Studio 6 workspace and project file (working project files containing files to include in project)
|
||||||
|
*.dsw
|
||||||
|
*.dsp
|
||||||
|
|
||||||
|
# Visual Studio 6 technical files
|
||||||
|
*.ncb
|
||||||
|
*.aps
|
||||||
|
|
||||||
|
# Visual Studio LightSwitch build output
|
||||||
|
**/*.HTMLClient/GeneratedArtifacts
|
||||||
|
**/*.DesktopClient/GeneratedArtifacts
|
||||||
|
**/*.DesktopClient/ModelManifest.xml
|
||||||
|
**/*.Server/GeneratedArtifacts
|
||||||
|
**/*.Server/ModelManifest.xml
|
||||||
|
_Pvt_Extensions
|
||||||
|
|
||||||
|
# Paket dependency manager
|
||||||
|
.paket/paket.exe
|
||||||
|
paket-files/
|
||||||
|
|
||||||
|
# FAKE - F# Make
|
||||||
|
.fake/
|
||||||
|
|
||||||
|
# CodeRush personal settings
|
||||||
|
.cr/personal
|
||||||
|
|
||||||
|
# Python Tools for Visual Studio (PTVS)
|
||||||
|
__pycache__/
|
||||||
|
*.pyc
|
||||||
|
|
||||||
|
# Cake - Uncomment if you are using it
|
||||||
|
# tools/**
|
||||||
|
# !tools/packages.config
|
||||||
|
|
||||||
|
# Tabs Studio
|
||||||
|
*.tss
|
||||||
|
|
||||||
|
# Telerik's JustMock configuration file
|
||||||
|
*.jmconfig
|
||||||
|
|
||||||
|
# BizTalk build output
|
||||||
|
*.btp.cs
|
||||||
|
*.btm.cs
|
||||||
|
*.odx.cs
|
||||||
|
*.xsd.cs
|
||||||
|
|
||||||
|
# OpenCover UI analysis results
|
||||||
|
OpenCover/
|
||||||
|
|
||||||
|
# Azure Stream Analytics local run output
|
||||||
|
ASALocalRun/
|
||||||
|
|
||||||
|
# MSBuild Binary and Structured Log
|
||||||
|
*.binlog
|
||||||
|
|
||||||
|
# NVidia Nsight GPU debugger configuration file
|
||||||
|
*.nvuser
|
||||||
|
|
||||||
|
# MFractors (Xamarin productivity tool) working folder
|
||||||
|
.mfractor/
|
||||||
|
|
||||||
|
# Local History for Visual Studio
|
||||||
|
.localhistory/
|
||||||
|
|
||||||
|
# Visual Studio History (VSHistory) files
|
||||||
|
.vshistory/
|
||||||
|
|
||||||
|
# BeatPulse healthcheck temp database
|
||||||
|
healthchecksdb
|
||||||
|
|
||||||
|
# Backup folder for Package Reference Convert tool in Visual Studio 2017
|
||||||
|
MigrationBackup/
|
||||||
|
|
||||||
|
# Ionide (cross platform F# VS Code tools) working folder
|
||||||
|
.ionide/
|
||||||
|
|
||||||
|
# Fody - auto-generated XML schema
|
||||||
|
FodyWeavers.xsd
|
||||||
|
|
||||||
|
# VS Code files for those working on multiple tools
|
||||||
|
.vscode/*
|
||||||
|
!.vscode/settings.json
|
||||||
|
!.vscode/tasks.json
|
||||||
|
!.vscode/launch.json
|
||||||
|
!.vscode/extensions.json
|
||||||
|
*.code-workspace
|
||||||
|
|
||||||
|
# Local History for Visual Studio Code
|
||||||
|
.history/
|
||||||
|
|
||||||
|
# Windows Installer files from build outputs
|
||||||
|
*.cab
|
||||||
|
*.msi
|
||||||
|
*.msix
|
||||||
|
*.msm
|
||||||
|
*.msp
|
||||||
|
|
||||||
|
# JetBrains Rider
|
||||||
|
.idea/
|
||||||
|
*.sln.iml
|
||||||
|
|
||||||
|
# Input files
|
||||||
|
input/*.txt
|
||||||
@ -0,0 +1,9 @@
|
|||||||
|
<Project Sdk="Microsoft.NET.Sdk">
|
||||||
|
|
||||||
|
<PropertyGroup>
|
||||||
|
<TargetFramework>net8.0</TargetFramework>
|
||||||
|
<ImplicitUsings>enable</ImplicitUsings>
|
||||||
|
<Nullable>enable</Nullable>
|
||||||
|
</PropertyGroup>
|
||||||
|
|
||||||
|
</Project>
|
||||||
16
AdventOfCode2024/AdventOfCode2024.Input/IParser.cs
Normal file
16
AdventOfCode2024/AdventOfCode2024.Input/IParser.cs
Normal file
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|
|||||||
|
namespace AdventOfCode2024.Input;
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Represents a text parser that outputs a specific type
|
||||||
|
/// given a text stream
|
||||||
|
/// </summary>
|
||||||
|
/// <typeparam name="T">The type that will be parsed</typeparam>
|
||||||
|
public interface IParser<T> where T : notnull
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Parses the stream and returns an object
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="input"></param>
|
||||||
|
/// <returns>The object</returns>
|
||||||
|
public Task<T> ParseAsync(Stream input);
|
||||||
|
}
|
||||||
@ -0,0 +1,29 @@
|
|||||||
|
namespace AdventOfCode2024.Input.Parsers;
|
||||||
|
|
||||||
|
public abstract class TextLineParser<U> : IParser<IList<U>> where U : notnull
|
||||||
|
{
|
||||||
|
/// <summary>
|
||||||
|
/// Parses a line to the given Entity type
|
||||||
|
/// </summary>
|
||||||
|
/// <param name="line">Line in the form of a string</param>
|
||||||
|
/// <returns>The parsed entity</returns>
|
||||||
|
protected abstract U ParseLine(string line);
|
||||||
|
|
||||||
|
/// <inheritdoc />
|
||||||
|
public async Task<IList<U>> ParseAsync(Stream input)
|
||||||
|
{
|
||||||
|
using StreamReader reader = new StreamReader(input);
|
||||||
|
List<U> entities = [];
|
||||||
|
|
||||||
|
while (!reader.EndOfStream)
|
||||||
|
{
|
||||||
|
string? line = await reader.ReadLineAsync();
|
||||||
|
if (line != null)
|
||||||
|
{
|
||||||
|
entities.Add(ParseLine(line));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return entities;
|
||||||
|
}
|
||||||
|
}
|
||||||
22
AdventOfCode2024/AdventOfCode2024.sln
Normal file
22
AdventOfCode2024/AdventOfCode2024.sln
Normal file
@ -0,0 +1,22 @@
|
|||||||
|
|
||||||
|
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day1", "Day1\Day1.csproj", "{B3CC14A1-DFE9-4D6B-832E-849968515E74}"
|
||||||
|
EndProject
|
||||||
|
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode2024.Input", "AdventOfCode2024.Input\AdventOfCode2024.Input.csproj", "{25106B70-A5DC-466A-9A1B-4CA33E2D7FC9}"
|
||||||
|
EndProject
|
||||||
|
Global
|
||||||
|
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||||
|
Debug|Any CPU = Debug|Any CPU
|
||||||
|
Release|Any CPU = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||||
|
{B3CC14A1-DFE9-4D6B-832E-849968515E74}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{B3CC14A1-DFE9-4D6B-832E-849968515E74}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{B3CC14A1-DFE9-4D6B-832E-849968515E74}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{B3CC14A1-DFE9-4D6B-832E-849968515E74}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
{25106B70-A5DC-466A-9A1B-4CA33E2D7FC9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||||
|
{25106B70-A5DC-466A-9A1B-4CA33E2D7FC9}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||||
|
{25106B70-A5DC-466A-9A1B-4CA33E2D7FC9}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||||
|
{25106B70-A5DC-466A-9A1B-4CA33E2D7FC9}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||||
|
EndGlobalSection
|
||||||
|
EndGlobal
|
||||||
28
AdventOfCode2024/Day1/Day1.csproj
Normal file
28
AdventOfCode2024/Day1/Day1.csproj
Normal file
@ -0,0 +1,28 @@
|
|||||||
|
<Project Sdk="Microsoft.NET.Sdk">
|
||||||
|
|
||||||
|
<PropertyGroup>
|
||||||
|
<OutputType>Exe</OutputType>
|
||||||
|
<TargetFramework>net8.0</TargetFramework>
|
||||||
|
<ImplicitUsings>enable</ImplicitUsings>
|
||||||
|
<Nullable>enable</Nullable>
|
||||||
|
</PropertyGroup>
|
||||||
|
|
||||||
|
<ItemGroup>
|
||||||
|
<ProjectReference Include="..\AdventOfCode2024.Input\AdventOfCode2024.Input.csproj" />
|
||||||
|
</ItemGroup>
|
||||||
|
|
||||||
|
<ItemGroup>
|
||||||
|
<Content Include="..\..\input\day1.txt">
|
||||||
|
<Link>input\day1.txt</Link>
|
||||||
|
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
|
||||||
|
</Content>
|
||||||
|
<Content Include="..\..\input\day1sample.txt">
|
||||||
|
<Link>input\day1sample.txt</Link>
|
||||||
|
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
|
||||||
|
</Content>
|
||||||
|
<Content Include="..\..\input\_placeholder">
|
||||||
|
<Link>input\_placeholder</Link>
|
||||||
|
</Content>
|
||||||
|
</ItemGroup>
|
||||||
|
|
||||||
|
</Project>
|
||||||
70
AdventOfCode2024/Day1/DayOne.cs
Normal file
70
AdventOfCode2024/Day1/DayOne.cs
Normal file
@ -0,0 +1,70 @@
|
|||||||
|
namespace Day1;
|
||||||
|
|
||||||
|
// Advent of Code 2024
|
||||||
|
// Day 1
|
||||||
|
// James Plante (jwplante)
|
||||||
|
|
||||||
|
class DayOne
|
||||||
|
{
|
||||||
|
private static async Task PartOne()
|
||||||
|
{
|
||||||
|
await using FileStream inputStream = File.OpenRead("input/day1.txt");
|
||||||
|
PairParser parser = new();
|
||||||
|
|
||||||
|
IList<(int, int)> entries = await parser.ParseAsync(inputStream);
|
||||||
|
|
||||||
|
// Given the parsed entries, add them to two new lists and sort them
|
||||||
|
List<int> leftList = [];
|
||||||
|
List<int> rightList = [];
|
||||||
|
foreach ((int left, int right) in entries)
|
||||||
|
{
|
||||||
|
leftList.Add(left);
|
||||||
|
rightList.Add(right);
|
||||||
|
}
|
||||||
|
leftList.Sort();
|
||||||
|
rightList.Sort();
|
||||||
|
|
||||||
|
// Convert back into pairs of (smallest, smallest), (secondSmallest, ...
|
||||||
|
List<(int, int)> sortedPairs = leftList
|
||||||
|
.Zip(rightList, (left, right) => (left, right))
|
||||||
|
.ToList();
|
||||||
|
|
||||||
|
long totalDistance = 0;
|
||||||
|
foreach ((int left, int right) in sortedPairs)
|
||||||
|
{
|
||||||
|
var lineDistance = Math.Abs(left - right);
|
||||||
|
totalDistance += lineDistance;
|
||||||
|
}
|
||||||
|
|
||||||
|
Console.WriteLine($"Part 1: The total distance of the lines is {totalDistance}.");
|
||||||
|
}
|
||||||
|
|
||||||
|
private static async Task PartTwo()
|
||||||
|
{
|
||||||
|
await using FileStream inputStream = File.OpenRead("input/day1.txt");
|
||||||
|
PairParser parser = new();
|
||||||
|
|
||||||
|
IList<(int, int)> entries = await parser.ParseAsync(inputStream);
|
||||||
|
|
||||||
|
// Get the frequencies for the right list
|
||||||
|
Dictionary<int, int> frequencies = [];
|
||||||
|
foreach ((_, int right) in entries)
|
||||||
|
{
|
||||||
|
frequencies[right] = frequencies.GetValueOrDefault(right) + 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
long similarityScore = 0;
|
||||||
|
foreach ((int left, _) in entries)
|
||||||
|
{
|
||||||
|
var intermediateScore = left * frequencies.GetValueOrDefault(left);
|
||||||
|
similarityScore += intermediateScore;
|
||||||
|
}
|
||||||
|
Console.WriteLine($"Part 2: The total similarity score is {similarityScore}.");
|
||||||
|
}
|
||||||
|
|
||||||
|
public static async Task Main(string[] args)
|
||||||
|
{
|
||||||
|
await PartOne();
|
||||||
|
await PartTwo();
|
||||||
|
}
|
||||||
|
}
|
||||||
27
AdventOfCode2024/Day1/PairParser.cs
Normal file
27
AdventOfCode2024/Day1/PairParser.cs
Normal file
@ -0,0 +1,27 @@
|
|||||||
|
using AdventOfCode2024.Input.Parsers;
|
||||||
|
|
||||||
|
namespace Day1;
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Parses a Stream line by line for pairs of integers
|
||||||
|
/// </summary>
|
||||||
|
public class PairParser : TextLineParser<(int, int)>
|
||||||
|
{
|
||||||
|
protected override (int, int) ParseLine(string line)
|
||||||
|
{
|
||||||
|
var pair = line.Split(" ", StringSplitOptions.RemoveEmptyEntries);
|
||||||
|
if (pair.Length < 2)
|
||||||
|
{
|
||||||
|
throw new ArgumentException("Invalid line");
|
||||||
|
}
|
||||||
|
|
||||||
|
var entryOneParsed = int.TryParse(pair[0], out var entryOne);
|
||||||
|
var entryTwoParsed = int.TryParse(pair[1], out var entryTwo);
|
||||||
|
if (!entryOneParsed || !entryTwoParsed)
|
||||||
|
{
|
||||||
|
throw new ArgumentException("Invalid line");
|
||||||
|
}
|
||||||
|
|
||||||
|
return (entryOne, entryTwo);
|
||||||
|
}
|
||||||
|
}
|
||||||
0
input/_placeholder
Normal file
0
input/_placeholder
Normal file
Loading…
x
Reference in New Issue
Block a user