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53
2018_02/2018_02.csproj
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53
2018_02/2018_02.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{03B8F28E-27B5-44BC-8051-58E2CB771E6B}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<RootNamespace>_2018_02</RootNamespace>
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<AssemblyName>2018_02</AssemblyName>
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<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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6
2018_02/App.config
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6
2018_02/App.config
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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
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</startup>
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</configuration>
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136
2018_02/Program.cs
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136
2018_02/Program.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace _2018_02
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{
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class Program
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{
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static void Main(string[] args)
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{
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int twos = 0, threes = 0;
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Dictionary<string, int> resCheck = new Dictionary<string, int>();
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string indata = File.ReadAllText(@"I:\Adventofcode_181201\data181202.txt");
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//string indata = "abcdef\r\nbababc\r\nabbcde\r\nabcccd\r\naabcdd\r\nabcdee\r\nababab\r\n";
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string[] resTab = indata.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
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foreach (var boxId in resTab)
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{
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char[] characters = boxId.ToArray();
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Array.Sort(characters);
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analyseString(characters, ref twos, ref threes);
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}
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System.Console.WriteLine($"twos: {twos} threes: {threes} checksum: {twos * threes} ");
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SecondAnalyse(resTab);
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}
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private static void analyseString(char[] characters, ref int twos, ref int threes)
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{
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int locTwos = 0, locthrees = 0;
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char lastChar = ' ';
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byte cnt = 0;
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foreach (var tkn in characters)
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{
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if (tkn == lastChar)
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{
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cnt++;
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}
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else
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{
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if (cnt == 2)
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{
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if (locTwos == 0)
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locTwos++;
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}
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if (cnt == 3)
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{
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if (locthrees == 0)
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{
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locthrees++;
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}
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}
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lastChar = tkn;
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cnt = 1;
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}
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}
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if (cnt == 2)
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{
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if (locTwos == 0)
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locTwos++;
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}
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if (cnt == 3)
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{
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if (locthrees == 0)
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{
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locthrees++;
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}
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}
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twos += locTwos;
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threes += locthrees;
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}
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private static void SecondAnalyse(string[] restab)
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{
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bool ready = false;
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var xlen = restab[0].Length;
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foreach (var str in restab)
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{
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for (int i = 0; i < xlen; i++)
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{
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foreach (var str2 in restab)
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{
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if (str2 == str) { }
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else
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{
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string stx = "", sty = "";
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var st0 = stringUtanPos(str, i, out stx);
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var st1 = stringUtanPos(str2, i, out sty);
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if (st0 == st1)
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{
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System.Console.WriteLine($"box 1: {str},\r\nbox 2: {str2} diff chars {stx} , {sty}\r\n{st0}\r\n{st1}");
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ready = true;
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break;
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}
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}
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if (ready) break;
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}
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if (ready) break;
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}
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if (ready) break;
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}
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}
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private static string stringUtanPos(string str, int i, out string stx)
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{
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string tmp = str;
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stx = str.Substring(i, 1);
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if (i > 0)
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{
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tmp = str.Substring(0, i) + str.Substring(i + 1);
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}
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else
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{
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tmp = str.Substring(i+1);
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}
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return tmp;
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}
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}
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}
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36
2018_02/Properties/AssemblyInfo.cs
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36
2018_02/Properties/AssemblyInfo.cs
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("2018_02")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("2018_02")]
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[assembly: AssemblyCopyright("Copyright © 2018")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("03b8f28e-27b5-44bc-8051-58e2cb771e6b")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]
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