live20 loppu

luennot/live19/.idea/.idea.live19/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/modules.xml
+/.idea.live19.iml
+/projectSettingsUpdater.xml
+/contentModel.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

luennot/live19/.idea/.idea.live19/.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>
\ No newline at end of file

luennot/live19/.idea/.idea.live19/.idea/indexLayout.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file

luennot/live19/.idea/.idea.live19/.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

luennot/live19/Rekursio/Rekursio.cs

+using System;
+using System.Text;
+using System.Linq;
+using System.Collections.Generic;
+
+/// @author Omanimi
+/// @version 06.11.2023
+/// <summary>
+/// 
+/// </summary>
+public class Rekursio
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public static void Main()
+    {
+        long tulos = Kertoma(4);  // 52! = 8 10¨68
+        // long tulosf = KertomaFor(4);
+        System.Console.WriteLine(tulos);
+    }
+
+
+    /// <example>
+    /// <pre name="test">
+    ///   Kertoma(0) === 1L;
+    ///   Kertoma(1) === 1L;
+    ///   Kertoma(2) === 2L;
+    ///   Kertoma(5) === 120L;
+    ///   Kertoma(6) === 720L;
+    /// </pre>
+    /// </example>
+    public static long Kertoma(long n)
+    {
+        if (n <= 1L) return 1L;
+        return n * Kertoma(n - 1);
+    }
+    
+    
+    /// <example>
+    /// <pre name="test">
+    ///   KertomaFor(0) === 1L;
+    ///   KertomaFor(1) === 1L;
+    ///   KertomaFor(2) === 2L;
+    ///   KertomaFor(5) === 120L;
+    ///   KertomaFor(6) === 720L;
+    /// </pre>
+    /// </example>
+    public static long KertomaFor(long n)
+    {
+        long tulos = 1L;
+        for (int i = 1; i <= n; i++) tulos *= i;
+        return tulos;
+    }    
+    
+}
\ No newline at end of file

luennot/live19/Rekursio/Rekursio.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ExternalConsole>true</ExternalConsole>
+    </PropertyGroup>
+
+</Project>

luennot/live19/RekursioTest/RekursioTest.cs

+// ReSharper disable all
+using System;
+using System.Text;
+using System.Linq;
+using System.Collections.Generic;
+using NUnit.Framework;
+using static Rekursio;
+
+	[TestFixture]
+	[DefaultFloatingPointTolerance(0.000001)]
+	public  class TestRekursio
+	{
+		[Test]
+		public  void TestKertoma25()
+		{
+			Assert.AreEqual( 1L, Kertoma(0) , "in method Kertoma, line 26");
+			Assert.AreEqual( 1L, Kertoma(1) , "in method Kertoma, line 27");
+			Assert.AreEqual( 2L, Kertoma(2) , "in method Kertoma, line 28");
+			Assert.AreEqual( 120L, Kertoma(5) , "in method Kertoma, line 29");
+			Assert.AreEqual( 720L, Kertoma(6) , "in method Kertoma, line 30");
+		}
+		[Test]
+		public  void TestKertomaFor41()
+		{
+			Assert.AreEqual( 1L, KertomaFor(0) , "in method KertomaFor, line 42");
+			Assert.AreEqual( 1L, KertomaFor(1) , "in method KertomaFor, line 43");
+			Assert.AreEqual( 2L, KertomaFor(2) , "in method KertomaFor, line 44");
+			Assert.AreEqual( 120L, KertomaFor(5) , "in method KertomaFor, line 45");
+			Assert.AreEqual( 720L, KertomaFor(6) , "in method KertomaFor, line 46");
+		}
+	}
+

luennot/live19/RekursioTest/RekursioTest.csproj

+<?xml version="1.0" encoding="UTF-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageReference Include="NUnit" Version="3.13.1"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3"/>
+    </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\Rekursio\Rekursio.csproj"/>
+    </ItemGroup>
+</Project>

luennot/live19/live19.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Rekursio", "Rekursio\Rekursio.csproj", "{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RekursioTest", "RekursioTest\RekursioTest.csproj", "{814FF6BD-D07E-4CC7-861D-AD17131F5E9C}"
+EndProject
+Global
+  GlobalSection(SolutionConfigurationPlatforms) = preSolution
+    Debug|Any CPU = Debug|Any CPU
+    Release|Any CPU = Release|Any CPU
+  EndGlobalSection
+  GlobalSection(ProjectConfigurationPlatforms) = postSolution
+    {874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+    {874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+    {874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+    {874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Release|Any CPU.Build.0 = Release|Any CPU
+    {814FF6BD-D07E-4CC7-861D-AD17131F5E9C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+    {814FF6BD-D07E-4CC7-861D-AD17131F5E9C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+    {814FF6BD-D07E-4CC7-861D-AD17131F5E9C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+    {814FF6BD-D07E-4CC7-861D-AD17131F5E9C}.Release|Any CPU.Build.0 = Release|Any CPU
+  EndGlobalSection
+EndGlobal

luennot/live19/live19.sln.ctbackup

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Rekursio", "Rekursio\Rekursio.csproj", "{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{874F3A3C-FC86-4A53-B0F9-BDA00AA96F4D}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

luennot/live20/.idea/.idea.live20/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/contentModel.xml
+/projectSettingsUpdater.xml
+/modules.xml
+/.idea.live20.iml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

luennot/live20/.idea/.idea.live20/.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>
\ No newline at end of file

luennot/live20/.idea/.idea.live20/.idea/indexLayout.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file

luennot/live20/.idea/.idea.live20/.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

luennot/live20/Poikkeus/Poikkeus.cs

+using System;
+
+/// @author Vesa Lappalainen
+/// @version 10.11.2020
+/// <summary>
+/// Tutkitaan poikkeuksia
+/// </summary>
+public class Poikkeus
+{
+    /// <summary>
+    /// Esimerkkejä poikkeuksista
+    /// </summary>
+    public static void Main()
+    {
+        int[] luvut = { 2, 4, 1 };
+        /*
+        luvut = new int[3]; // täynnä 0:ia
+        luvut[0] = 2;
+        luvut[1] = 4;
+        luvut[2] = 1;
+        */
+
+        int a1 = 3, a2 = 4, a3 = 1, a4 = 7;
+
+        try
+        {
+            int s = Summa(luvut, 0, 4);
+            Console.WriteLine(s);
+            Console.WriteLine(10 / a1);
+            Console.WriteLine(10 / a2);
+            Console.WriteLine(10 / a3);
+            Console.WriteLine(10 / a4);
+        }
+        catch (DivideByZeroException ex)
+        {
+            Console.WriteLine("Jaoit nollalla aasi! " + ex.Message);
+        }
+        /*
+        catch (IndexOutOfRangeException ex)
+        {
+            Console.WriteLine(ex.Message);
+        }
+        */
+    }
+
+
+    /// <summary>
+    /// Lasketaan lukujen summa taulukon osajoukosta
+    /// </summary>
+    /// <param name="luvut">taulukko, jonka lukujen summa lasketaan</param>
+    /// <param name="alku">indeksi josta summaaminen aloitetaan</param>
+    /// <param name="loppu">loppuindeksi joka otetaan mukaan, -1 = taulukon loppuun</param>
+    /// <returns>taulukon osajoukon summa</returns>
+    /// <example>
+    /// <pre name="test">
+    ///   int[] luvut = { 2, 4, 1 };
+    ///   Summa(luvut) === 7;
+    ///   Summa(luvut,0,2) === 7;
+    ///   Summa(luvut,1,2) === 5;
+    ///   Summa(luvut,1) === 5;
+    ///   Summa(luvut,0,1) === 6;
+    ///   Summa(luvut,1,1) === 4;
+    ///   Summa(luvut,1,0) === 0;
+    ///   Summa(luvut,0,100) === 7;  #THROWS IndexOutOfRangeException
+    ///   Summa(luvut,-4,100) === 7; #THROWS IndexOutOfRangeException
+    /// </pre>
+    /// </example>
+    public static int Summa(int[] luvut, int alku = 0, int loppu = -1)
+    {
+        int tulos = 0;
+        if (loppu == -1) loppu = luvut.Length - 1;
+        // Seuraavat voisi olla oikeasti järkeviä, mutta tässä harjoitellaan
+        // sitä, että poikkeus päästetään kutsuvaan ohjelmaan.
+        // if (loppu >= luvut.Length) loppu = luvut.Length - 1;
+        // if (alku < 0) alku = 0;
+        for (int i = alku; i <= loppu; i++)
+        {
+            int luku = luvut[i];
+            tulos += luku; // tulos = tulos + luku;
+        }
+
+        return tulos;
+    }
+}
\ No newline at end of file

luennot/live20/Poikkeus/Poikkeus.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ExternalConsole>true</ExternalConsole>
+    </PropertyGroup>
+
+</Project>

luennot/live20/Poistot/Poistot.cs

+using System;
+using System.Collections.Generic;
+
+/// @author Omanimi
+/// @version 07.11.2023
+/// <summary>
+/// 
+/// </summary>
+public class Poistot
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public static void Main()
+    {
+        List<string> sanat = new List<string>(){ "", "kissa", "kissa", "koira", "kana", "susi", "ankka" };
+
+        // PoistaSanat(sanat, "kissa");
+        string poistettava = "kissa";
+
+        //sanat.RemoveAll(sana => sana == "kissa");
+        Console.WriteLine(String.Join(", ", sanat));
+        poistettava = "koira";
+        sanat.RemoveAll(delegate(string sana) { if (sana.Length == 0) return false; return sana[0] == 'k';});
+        Console.WriteLine(String.Join(", ", sanat));
+    }
+
+    public static bool AlkaaKlla(string sana)
+    {
+        if (sana.Length == 0) return false;
+        return sana[0] == 'k';
+    }
+    
+    
+    public static List<string> PoistaSanat(List<string> sanat, string poistettava)
+    {
+        while (sanat.Remove(poistettava)) ;
+        return sanat;
+    }    
+    
+    
+}

luennot/live20/Poistot/Poistot.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ExternalConsole>true</ExternalConsole>
+    </PropertyGroup>
+
+</Project>

luennot/live20/live20.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Poistot", "Poistot\Poistot.csproj", "{7FCEEA19-68B4-4A6C-8E5F-233154B9A213}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Poikkeus", "Poikkeus\Poikkeus.csproj", "{E0C65815-A9AC-457C-B38F-F6E5C13882B6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7FCEEA19-68B4-4A6C-8E5F-233154B9A213}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7FCEEA19-68B4-4A6C-8E5F-233154B9A213}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7FCEEA19-68B4-4A6C-8E5F-233154B9A213}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7FCEEA19-68B4-4A6C-8E5F-233154B9A213}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E0C65815-A9AC-457C-B38F-F6E5C13882B6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E0C65815-A9AC-457C-B38F-F6E5C13882B6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E0C65815-A9AC-457C-B38F-F6E5C13882B6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E0C65815-A9AC-457C-B38F-F6E5C13882B6}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

luennot/luento19/.idea/.idea.luento19/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/modules.xml
+/contentModel.xml
+/projectSettingsUpdater.xml
+/.idea.luento19.iml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml