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| Original file line number | Diff line number | Diff line change |
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>netcoreapp2.1</TargetFramework> | ||
| <RootNamespace>Day2._2.csharp.Tests</RootNamespace> | ||
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| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" /> | ||
| <PackageReference Include="MSTest.TestAdapter" Version="1.3.2" /> | ||
| <PackageReference Include="MSTest.TestFramework" Version="1.3.2" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\Day2.2.csharp\Day2.2.csharp.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| @@ -0,0 +1,40 @@ | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
| using System.Collections.Generic; | ||
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| namespace Day2._2.csharp.Tests | ||
| { | ||
| [TestClass] | ||
| public class UnitTest1 | ||
| { | ||
| private readonly string[] _testSet = new string[] | ||
| { | ||
| "abcde", | ||
| "fghij", | ||
| "klmno", | ||
| "pqrst", | ||
| "fguij", | ||
| "axcye", | ||
| "wvxyz" | ||
| }; | ||
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| [TestMethod] | ||
| public void MainTest() | ||
| { | ||
| var result = Day2._2.csharp.Program.Calculate(_testSet); | ||
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| Assert.AreEqual("fgij", result); | ||
| } | ||
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| [TestMethod] | ||
| public void TestHelperFunction() | ||
| { | ||
| var testString1 = "abcdef"; | ||
| var testString2 = "abcqwe"; | ||
| var testString3 = "zxcasd"; | ||
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| Assert.AreEqual(3, Program.GetStringDistance(testString1, testString2)); | ||
| Assert.AreEqual(5, Program.GetStringDistance(testString1, testString3)); | ||
| Assert.AreEqual(0, Program.GetStringDistance(testString3, testString3)); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,19 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>netcoreapp2.1</TargetFramework> | ||
| <RootNamespace>Day2._2.csharp</RootNamespace> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <None Remove="input.txt" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <Content Include="input.txt"> | ||
| <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory> | ||
| </Content> | ||
| </ItemGroup> | ||
|
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| </Project> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
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| namespace Day2._2.csharp | ||
| { | ||
| public class Program | ||
| { | ||
| static void Main(string[] args) | ||
| { | ||
| var input = System.IO.File.ReadAllLines("input.txt"); | ||
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| var result = Calculate(input); | ||
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| Console.WriteLine(result); | ||
| } | ||
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| public static string Calculate(string[] inputLines) | ||
| { | ||
| (string, string)? searchDistanceResult = null; | ||
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| for (var i = 0; i < inputLines.Count(); i++) | ||
| { | ||
| searchDistanceResult = GetStringDistance(inputLines[i], inputLines.Skip(i + 1)); | ||
| if (searchDistanceResult != null) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
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| var resultSb = new StringBuilder(); | ||
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| for(var i = 0; i < searchDistanceResult.Value.Item1.Length; i++) | ||
| { | ||
| if (searchDistanceResult.Value.Item1[i] == searchDistanceResult.Value.Item2[i]) | ||
| { | ||
| resultSb.Append(searchDistanceResult.Value.Item1[i]); | ||
| } | ||
| } | ||
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| return resultSb.ToString(); | ||
| } | ||
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| private static (string, string)? GetStringDistance(string s1, IEnumerable<string> inputs) | ||
| { | ||
| foreach (var input in inputs) | ||
| { | ||
| if (GetStringDistance(s1, input) == 1) | ||
| { | ||
| return (s1, input); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
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| public static int GetStringDistance(string s1, string s2) | ||
| { | ||
| if (s1.Length != s2.Length) | ||
| { | ||
| throw new ArgumentException(); | ||
| } | ||
|
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| var result = 0; | ||
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| for (var i = 0; i < s1.Length; i++) | ||
| { | ||
| if (s1[i] != s2[i]) result++; | ||
| } | ||
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| return result; | ||
| } | ||
| } | ||
| } |
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