heap sort in C# tussen de soep en pattatt'n
This commit is contained in:
Wouter Groeneveld
parent
7e936824b1
commit
a0a8184dec
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@ -1,6 +1,8 @@
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@ -0,0 +1,20 @@
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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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||||
[assembly: AssemblyTitle("Sorting.Tests")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Sorting.Tests")]
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[assembly: AssemblyCopyright("Copyright © 2018")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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[assembly: ComVisible(false)]
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[assembly: Guid("397473bf-da8a-4c75-8224-b525f71260da")]
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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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<ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
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<Error Condition="!Exists('..\..\..\..\..\..\nuget\packages\MSTest.TestAdapter.1.2.0\build\net45\MSTest.TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\..\..\nuget\packages\MSTest.TestAdapter.1.2.0\build\net45\MSTest.TestAdapter.props'))" />
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</Project>
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using System.Collections.Generic;
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namespace Sorting.Tests
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{
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[TestClass]
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public class SortingTests
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{
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[TestMethod]
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public void HeapSorting_MergeSortedLists_EachListHasDifferentAmountOfNumbers()
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{
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var sort = new HeapSort();
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var result = sort.MergeSortedLists(new List<int> { 3 }, new List<int> { 2, 4 });
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CollectionAssert.AreEqual(new List<int> { 2, 3, 4 }, result);
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}
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[TestMethod]
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public void HeapSorting_MergeSortedLists_EachListHasSameAmountOfNumbers()
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{
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var sort = new HeapSort();
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var result = sort.MergeSortedLists(new List<int> { 1, 3 }, new List<int> { 2, 4 });
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CollectionAssert.AreEqual(new List<int> { 1, 2, 3, 4 }, result);
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}
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[TestMethod]
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public void HeapSorting_SimpleListDividesNeatlyIntoTwo()
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{
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ExecuteTestWithSortMethod(new HeapSort(), new List<int> { 4, 3, 2, 1 }, new List<int> { 1, 2, 3, 4 });
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}
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[TestMethod]
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public void HeapSorting_SimpleListUnevenNumbers()
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{
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ExecuteTestWithSortMethod(new HeapSort(), new List<int> { 5, 7, 6, 4, 3, 2, 1 }, new List<int> { 1, 2, 3, 4, 5, 6, 7 });
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}
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private void ExecuteTestWithSortMethod(ISortable sortable, List<int> toSort, List<int> expected)
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{
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var result = sortable.Sort(toSort);
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CollectionAssert.AreEqual(expected, result, "actual: " + result.AsString());
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}
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}
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}
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<?xml version="1.0" encoding="utf-8"?>
|
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<packages>
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<package id="MSTest.TestAdapter" version="1.2.0" targetFramework="net461" />
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<package id="MSTest.TestFramework" version="1.2.0" targetFramework="net461" />
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||||
</packages>
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|||
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||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio 15
|
||||
VisualStudioVersion = 15.0.27428.2011
|
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sorting", "Sorting\Sorting.csproj", "{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}"
|
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sorting.Tests", "Sorting.Tests\Sorting.Tests.csproj", "{397473BF-DA8A-4C75-8224-B525F71260DA}"
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EndProject
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Global
|
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{397473BF-DA8A-4C75-8224-B525F71260DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{397473BF-DA8A-4C75-8224-B525F71260DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{397473BF-DA8A-4C75-8224-B525F71260DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{397473BF-DA8A-4C75-8224-B525F71260DA}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {C5184B8F-5851-42ED-8631-F2FD55088D85}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
<?xml version="1.0" encoding="utf-8" ?>
|
||||
<configuration>
|
||||
<startup>
|
||||
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
|
||||
</startup>
|
||||
</configuration>
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
using System.Collections.Generic;
|
||||
using System.Diagnostics;
|
||||
using System.Linq;
|
||||
|
||||
namespace Sorting
|
||||
{
|
||||
public static class ListExt
|
||||
{
|
||||
public static string AsString(this List<int> list)
|
||||
{
|
||||
return "(" + string.Join(", ", list.Select(x => x.ToString())) + ")";
|
||||
}
|
||||
}
|
||||
|
||||
public class HeapSort : ISortable
|
||||
{
|
||||
public List<int> Sort(List<int> list)
|
||||
{
|
||||
return SortRecur(list);
|
||||
}
|
||||
|
||||
internal List<int> MergeSortedLists(List<int> a, List<int> b)
|
||||
{
|
||||
var result = new List<int>();
|
||||
var aCounter = 0;
|
||||
var bCounter = 0;
|
||||
|
||||
Debug.WriteLine("merging" + a.AsString() + " with " + b.AsString());
|
||||
|
||||
while (aCounter < a.Count && bCounter < b.Count)
|
||||
{
|
||||
var currA = a[aCounter];
|
||||
var currB = b[bCounter];
|
||||
|
||||
if (currA < currB)
|
||||
{
|
||||
result.Add(currA);
|
||||
aCounter++;
|
||||
}
|
||||
else
|
||||
{
|
||||
result.Add(currB);
|
||||
bCounter++;
|
||||
}
|
||||
}
|
||||
|
||||
if (aCounter < a.Count)
|
||||
{
|
||||
result.AddRange(AddRemainder(a, aCounter));
|
||||
}
|
||||
if (bCounter < b.Count)
|
||||
{
|
||||
result.AddRange(AddRemainder(b, bCounter));
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private List<int> AddRemainder(List<int> list, int index)
|
||||
{
|
||||
List<int> result = new List<int>();
|
||||
for (var i = index; i < list.Count; i++)
|
||||
{
|
||||
result.Add(list[i]);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private List<int> SortRecur(List<int> list)
|
||||
{
|
||||
Debug.WriteLine("sorting " + list.AsString());
|
||||
|
||||
if (list.Count == 2)
|
||||
{
|
||||
return new List<int>
|
||||
{
|
||||
list[0] < list[1] ? list[0] : list[1],
|
||||
list[0] < list[1] ? list[1] : list[0]
|
||||
};
|
||||
}
|
||||
if (list.Count <= 1)
|
||||
{
|
||||
return list;
|
||||
}
|
||||
|
||||
var halfIndex = list.Count / 2;
|
||||
|
||||
var left = list.TakeWhile((number, i) => i < halfIndex).ToList();
|
||||
var right = list.Except(left).ToList();
|
||||
return MergeSortedLists(
|
||||
SortRecur(left),
|
||||
SortRecur(right));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
using System.Collections.Generic;
|
||||
|
||||
namespace Sorting
|
||||
{
|
||||
public interface ISortable
|
||||
{
|
||||
List<int> Sort(List<int> list);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Sorting
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
using System.Reflection;
|
||||
using System.Runtime.CompilerServices;
|
||||
using 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("Sorting")]
|
||||
[assembly: AssemblyDescription("")]
|
||||
[assembly: AssemblyConfiguration("")]
|
||||
[assembly: AssemblyCompany("")]
|
||||
[assembly: AssemblyProduct("Sorting")]
|
||||
[assembly: AssemblyCopyright("Copyright © 2018")]
|
||||
[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("5af0c5c2-36f1-466d-9b0a-74daf4d726bb")]
|
||||
|
||||
// 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")]
|
||||
[assembly: InternalsVisibleTo("Sorting.Tests")]
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="15.0" 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>
|
||||
<ProjectGuid>{5AF0C5C2-36F1-466D-9B0A-74DAF4D726BB}</ProjectGuid>
|
||||
<OutputType>Exe</OutputType>
|
||||
<RootNamespace>Sorting</RootNamespace>
|
||||
<AssemblyName>Sorting</AssemblyName>
|
||||
<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
|
||||
<FileAlignment>512</FileAlignment>
|
||||
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||
<PlatformTarget>AnyCPU</PlatformTarget>
|
||||
<DebugSymbols>true</DebugSymbols>
|
||||
<DebugType>full</DebugType>
|
||||
<Optimize>false</Optimize>
|
||||
<OutputPath>bin\Debug\</OutputPath>
|
||||
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||
<PlatformTarget>AnyCPU</PlatformTarget>
|
||||
<DebugType>pdbonly</DebugType>
|
||||
<Optimize>true</Optimize>
|
||||
<OutputPath>bin\Release\</OutputPath>
|
||||
<DefineConstants>TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<Reference Include="System" />
|
||||
<Reference Include="System.Core" />
|
||||
<Reference Include="System.Xml.Linq" />
|
||||
<Reference Include="System.Data.DataSetExtensions" />
|
||||
<Reference Include="Microsoft.CSharp" />
|
||||
<Reference Include="System.Data" />
|
||||
<Reference Include="System.Net.Http" />
|
||||
<Reference Include="System.Xml" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Compile Include="HeapSort.cs" />
|
||||
<Compile Include="ISortable.cs" />
|
||||
<Compile Include="Program.cs" />
|
||||
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="App.config" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||
</Project>
|
||||
Loading…
Reference in New Issue