Day 1.

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..4a6c7e8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+bin/
+obj/
+packages/
+.vs
+*.exe
+*.suo
\ No newline at end of file

diff --git a/AdventOfCode2017.sln b/AdventOfCode2017.sln
new file mode 100644 (file)
index 0000000..956f4d7
--- /dev/null
+++ b/AdventOfCode2017.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.27004.2010
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "AdventOfCode2017", "AdventOfCode2017\AdventOfCode2017.fsproj", "{D3555943-8102-43D1-B3CB-570A4E4EC513}"
+EndProject
+Global
+       GlobalSection(SolutionConfigurationPlatforms) = preSolution
+               Debug|Any CPU = Debug|Any CPU
+               Release|Any CPU = Release|Any CPU
+       EndGlobalSection
+       GlobalSection(ProjectConfigurationPlatforms) = postSolution
+               {D3555943-8102-43D1-B3CB-570A4E4EC513}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+               {D3555943-8102-43D1-B3CB-570A4E4EC513}.Debug|Any CPU.Build.0 = Debug|Any CPU
+               {D3555943-8102-43D1-B3CB-570A4E4EC513}.Release|Any CPU.ActiveCfg = Release|Any CPU
+               {D3555943-8102-43D1-B3CB-570A4E4EC513}.Release|Any CPU.Build.0 = Release|Any CPU
+       EndGlobalSection
+       GlobalSection(SolutionProperties) = preSolution
+               HideSolutionNode = FALSE
+       EndGlobalSection
+       GlobalSection(ExtensibilityGlobals) = postSolution
+               SolutionGuid = {1DAC18E9-E52B-45B9-AB96-686277B1EB81}
+       EndGlobalSection
+EndGlobal

diff --git a/AdventOfCode2017/AdventOfCode2017.fsproj b/AdventOfCode2017/AdventOfCode2017.fsproj
new file mode 100644 (file)
index 0000000..6b02c2a
--- /dev/null
+++ b/AdventOfCode2017/AdventOfCode2017.fsproj
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>d3555943-8102-43d1-b3cb-570a4e4ec513</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>AdventOfCode2017</RootNamespace>
+    <AssemblyName>AdventOfCode2017</AssemblyName>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <TargetFSharpCoreVersion>4.4.1.0</TargetFSharpCoreVersion>
+    <Name>AdventOfCode2017</Name>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <Tailcalls>false</Tailcalls>
+    <OutputPath>bin\$(Configuration)\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <WarningLevel>3</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DocumentationFile>bin\$(Configuration)\$(AssemblyName).XML</DocumentationFile>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <Tailcalls>true</Tailcalls>
+    <OutputPath>bin\$(Configuration)\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <WarningLevel>3</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DocumentationFile>bin\$(Configuration)\$(AssemblyName).XML</DocumentationFile>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup>
+    <MinimumVisualStudioVersion Condition="'$(MinimumVisualStudioVersion)' == ''">11</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Choose>
+    <When Condition="'$(VisualStudioVersion)' == '11.0'">
+      <PropertyGroup Condition=" '$(FSharpTargetsPath)' == '' AND Exists('$(MSBuildExtensionsPath32)\..\Microsoft SDKs\F#\3.0\Framework\v4.0\Microsoft.FSharp.Targets') ">
+        <FSharpTargetsPath>$(MSBuildExtensionsPath32)\..\Microsoft SDKs\F#\3.0\Framework\v4.0\Microsoft.FSharp.Targets</FSharpTargetsPath>
+      </PropertyGroup>
+    </When>
+    <Otherwise>
+      <PropertyGroup Condition=" '$(FSharpTargetsPath)' == '' AND Exists('$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\FSharp\Microsoft.FSharp.Targets') ">
+        <FSharpTargetsPath>$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\FSharp\Microsoft.FSharp.Targets</FSharpTargetsPath>
+      </PropertyGroup>
+    </Otherwise>
+  </Choose>
+  <Import Project="$(FSharpTargetsPath)" />
+  <ItemGroup>
+    <Compile Include="AssemblyInfo.fs" />
+    <Compile Include="Day1.fs" />
+    <Compile Include="Program.fs" />
+    <None Include="App.config" />
+    <Content Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="FSharp.Core">
+      <Name>FSharp.Core</Name>
+      <AssemblyName>FSharp.Core.dll</AssemblyName>
+      <HintPath>$(MSBuildProgramFiles32)\Reference Assemblies\Microsoft\FSharp\.NETFramework\v4.0\$(TargetFSharpCoreVersion)\FSharp.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.ValueTuple">
+      <HintPath>..\packages\System.ValueTuple.4.3.1\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file

diff --git a/AdventOfCode2017/App.config b/AdventOfCode2017/App.config
new file mode 100644 (file)
index 0000000..b50c74f
--- /dev/null
+++ b/AdventOfCode2017/App.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
+    </startup>
+</configuration>
\ No newline at end of file

diff --git a/AdventOfCode2017/AssemblyInfo.fs b/AdventOfCode2017/AssemblyInfo.fs
new file mode 100644 (file)
index 0000000..3e9afcd
--- /dev/null
+++ b/AdventOfCode2017/AssemblyInfo.fs
@@ -0,0 +1,41 @@
+namespace AdventOfCode2017.AssemblyInfo
+
+open System.Reflection
+open System.Runtime.CompilerServices
+open System.Runtime.InteropServices
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[<assembly: AssemblyTitle("AdventOfCode2017")>]
+[<assembly: AssemblyDescription("")>]
+[<assembly: AssemblyConfiguration("")>]
+[<assembly: AssemblyCompany("MATISA Matériel Industriel S.A.")>]
+[<assembly: AssemblyProduct("AdventOfCode2017")>]
+[<assembly: AssemblyCopyright("Copyright © MATISA Matériel Industriel S.A. 2017")>]
+[<assembly: AssemblyTrademark("")>]
+[<assembly: AssemblyCulture("")>]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[<assembly: ComVisible(false)>]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[<assembly: Guid("d3555943-8102-43d1-b3cb-570a4e4ec513")>]
+
+// Version information for an assembly consists of the following four values:
+// 
+//       Major Version
+//       Minor Version 
+//       Build Number
+//       Revision
+// 
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [<assembly: AssemblyVersion("1.0.*")>]
+[<assembly: AssemblyVersion("1.0.0.0")>]
+[<assembly: AssemblyFileVersion("1.0.0.0")>]
+
+do
+    ()
\ No newline at end of file

diff --git a/AdventOfCode2017/Day1.fs b/AdventOfCode2017/Day1.fs
new file mode 100644 (file)
index 0000000..5cd821d
--- /dev/null
+++ b/AdventOfCode2017/Day1.fs
@@ -0,0 +1,8 @@
+module AdventOfCode2017.Day1
+
+let readDigit d = int d - 48
+
+let solveCaptcha (captcha : string) =
+    let numbers = captcha.ToCharArray () |> List.ofArray |> List.map readDigit
+    (List.last numbers :: numbers) |> List.pairwise |> List.map (fun (a, b) -> if a = b then a else 0) |> List.sum
+

diff --git a/AdventOfCode2017/Program.fs b/AdventOfCode2017/Program.fs
new file mode 100644 (file)
index 0000000..12bcc70
--- /dev/null
+++ b/AdventOfCode2017/Program.fs
@@ -0,0 +1,16 @@
+module AdventOfCode2017.Main
+
+let day1 () =
+    let captcha = "9513446799636685297929646689682997114316733445451534532351778534251427172168183621874641711534917291674333857423799375512628489423332297538215855176592633692631974822259161766238385922277893623911332569448978771948316155868781496698895492971356383996932885518732997624253678694279666572149831616312497994856288871586777793459926952491318336997159553714584541897294117487641872629796825583725975692264125865827534677223541484795877371955124463989228886498682421539667224963783616245646832154384756663251487668681425754536722827563651327524674183443696227523828832466473538347472991998913211857749878157579176457395375632995576569388455888156465451723693767887681392547189273391948632726499868313747261828186732986628365773728583387184112323696592536446536231376615949825166773536471531487969852535699774113163667286537193767515119362865141925612849443983484245268194842563154567638354645735331855896155142741664246715666899824364722914296492444672653852387389477634257768229772399416521198625393426443499223611843766134883441223328256883497423324753229392393974622181429913535973327323952241674979677481518733692544535323219895684629719868384266425386835539719237716339198485163916562434854579365958111931354576991558771236977242668756782139961638347251644828724786827751748399123668854393894787851872256667336215726674348886747128237416273154988619267824361227888751562445622387695218161341884756795223464751862965655559143779425283154533252573949165492138175581615176611845489857169132936848668646319955661492488428427435269169173654812114842568381636982389224236455633316898178163297452453296667661849622174541778669494388167451186352488555379581934999276412919598411422973399319799937518713422398874326665375216437246445791623283898584648278989674418242112957668397484671119761553847275799873495363759266296477844157237423239163559391553961176475377151369399646747881452252547741718734949967752564774161341784833521492494243662658471121369649641815562327698395293573991648351369767162642763475561544795982183714447737149239846151871434656618825566387329765118727515699213962477996399781652131918996434125559698427945714572488376342126989157872118279163127742349"
+    Day1.solveCaptcha captcha |> string
+
+let printDay (n : int) (f : unit -> string) =
+    printfn "Result of day %i: %s" n (f ())
+
+[<EntryPoint>]
+let main _argv =
+    printfn "https://adventofcode.com/2017"
+
+    printDay 1 day1
+
+    0

diff --git a/AdventOfCode2017/packages.config b/AdventOfCode2017/packages.config
new file mode 100644 (file)
index 0000000..222429d
--- /dev/null
+++ b/AdventOfCode2017/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="System.ValueTuple" version="4.3.1" targetFramework="net462" />
+</packages>
\ No newline at end of file