Finished gyakorlas (NO GUI)

20240904/ConsoleApp1/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
+    </startup>
+</configuration>

20240904/ConsoleApp1/ConsoleApp1.csproj

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+<?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>{A3C42417-ACFF-40C0-9195-7287F201E9F6}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>ConsoleApp1</RootNamespace>
+    <AssemblyName>ConsoleApp1</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </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="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

20240904/ConsoleApp1/ConsoleApp1.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34408.163
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp1", "ConsoleApp1.csproj", "{A3C42417-ACFF-40C0-9195-7287F201E9F6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A3C42417-ACFF-40C0-9195-7287F201E9F6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A3C42417-ACFF-40C0-9195-7287F201E9F6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A3C42417-ACFF-40C0-9195-7287F201E9F6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A3C42417-ACFF-40C0-9195-7287F201E9F6}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {130F6D27-01E8-4FAB-B8E4-4EC359F9BB1B}
+	EndGlobalSection
+EndGlobal

20240904/ConsoleApp1/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+using System.Security.Permissions;
+
+namespace ConsoleApp1
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            DataRead();
+
+            int num = Feladat3();
+            Console.WriteLine(num);
+
+            
+            int nepsuruseg = Feladat4();
+            Console.WriteLine(nepsuruseg);
+
+            int kinatobbmintindiaaaaa = Feladat5();
+            Console.WriteLine(kinatobbmintindiaaaaa);
+
+            string harmadik = Feladat6();
+            Console.WriteLine(harmadik);
+
+            Feladat7();
+
+            Console.ReadLine();
+        }
+
+        public static void DataRead()
+        {
+            string path = "adatok-utf8.txt";
+            FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
+            StreamReader streamReader = new StreamReader(fileStream);
+
+            string line = streamReader.ReadLine();
+            line = streamReader.ReadLine();
+
+            while (line != null)
+            {
+                string[] datas = line.Split(';');
+                string orszagnev = datas[0];
+                int terulet = Convert.ToInt32(datas[1]);
+                string nepesseg = datas[2];
+
+                int Nepesseg; 
+                bool IsNumber = Int32.TryParse(nepesseg, out Nepesseg);
+                if (!IsNumber)
+                {
+                    string asd = nepesseg.Replace("g", "0000");
+                    Nepesseg = Convert.ToInt32(asd);
+                }
+
+                int fovarosNepesseg = Convert.ToInt32(datas[4]);
+
+                Orszag orszag = new Orszag(orszagnev, terulet, Nepesseg, datas[3], fovarosNepesseg);
+
+                Data.orszagok.Add(orszag);
+
+                line = streamReader.ReadLine();
+            }
+
+            streamReader.Close();
+            fileStream.Close();
+        }
+
+
+        public static int Feladat3()
+        {
+            return Data.orszagok.Count;
+        }
+
+        public static int FindCountry(string country) {
+            int i = 0;
+            while (Data.orszagok[i].Orszagnev != country && i <= Data.orszagok.Count)
+            {
+                i++;
+            }
+
+            return i;
+        }
+        public static int Feladat4() {
+            int a = FindCountry("Kína");
+
+            return Data.orszagok[a].Nepesseg / Data.orszagok[a].Terulet;
+        }
+
+        public static int Feladat5() {
+            int india = FindCountry("India");
+            int kina = FindCountry("Kína");
+
+            return Data.orszagok[kina].Nepesseg - Data.orszagok[india].Nepesseg;
+        }
+
+        public static string Feladat6()
+        {
+            List<Orszag> asd = Data.orszagok.OrderBy(x => x.Nepesseg).ToList();
+
+            return asd[asd.Count - 3].Orszagnev;
+        }
+
+
+        public static void Feladat7()
+        {
+            foreach (var item in Data.orszagok)
+            {   
+                if (item.FovarosiKoncentracio)
+                {
+                    Console.WriteLine($"{item.Orszagnev}, {item.Fovaros}");
+                }
+                
+            }
+        }
+    }
+
+   
+    public static class Data
+    {
+        public static List<Orszag> orszagok = new List<Orszag>();
+    }
+    public class Orszag
+    {
+        public string Orszagnev { get; private set; }
+        public int Terulet { get; private set; }
+        public int Nepesseg { get; private set; }
+        public string Fovaros { get; private set; }
+        public int FovarosNepesseg { get; private set; }
+        public bool FovarosiKoncentracio { get; private set; }
+
+        public Orszag(string orszagnev, int terulet, int nepesseg, string fovaros, int fovarosNepesseg)
+        {
+            Orszagnev = orszagnev;
+            Terulet = terulet;
+            Nepesseg = nepesseg;
+            Fovaros = fovaros;
+            FovarosNepesseg = fovarosNepesseg * 1000;
+
+            FovarosiKoncentracio = KoncentraltFovaros(FovarosNepesseg, Nepesseg);
+        }
+
+        public bool KoncentraltFovaros(int fovarosNepesseg, int nepesseg)
+        {
+            if (fovarosNepesseg >= nepesseg * 0.3)
+            {
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+
+}

20240904/ConsoleApp1/Properties/AssemblyInfo.cs

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+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("ConsoleApp1")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ConsoleApp1")]
+[assembly: AssemblyCopyright("Copyright ©  2024")]
+[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("a3c42417-acff-40c0-9195-7287f201e9f6")]
+
+// 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")]

20240904/ConsoleApp1/bin/Debug/ConsoleApp1.exe.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
+    </startup>
+</configuration>

20240904/ConsoleApp1/bin/Debug/adatok-utf8.txt

@@ -0,0 +1,50 @@
+Ország;Terület;Népesség;Főváros;Főváros népessége
+Görögország;132000;1064g;Athén;3154
+Románia;238400;1912g;Bukarest;1812
+Ausztria;83900;8960000;Bécs;1915
+Lengyelország;312700;3775g;Varsó;1776
+Belgium;30500;11590000;Brüsszel;2065
+Bulgária;110400;6880000;Szófia;1277
+Ciprus;9300;900000;Nicosia;270
+Csehország;78900;10510000;Prága;1299
+Dánia;42900;5860000;Koppenhága;1334
+Észtország;45400;1330000;Tallinn;441
+Finnország;336900;5540000;Helsinki;1292
+Franciaország;551500;67750000;Párizs;10958
+Hollandia;41500;17530000;Amszterdam;1140
+Horvátország;56600;3960000;Zágráb;685
+Írország;69800;5030000;Dublin;1215
+Lettország;64600;1880000;Riga;634
+Litvánia;65300;2800000;Vilnius;538
+Luxemburg;2600;640000;Luxembourg;120
+Magyarország;93000;9710000;Budapest;1764
+Málta;300;520000;Valletta;213
+Németország;357600;83200000;Berlin;3557
+Olaszország;302100;59110000;Róma;4234
+Portugália;92200;10330000;Lisszabon;2942
+Spanyolország;506000;47420000;Madrid;6559
+Svédország;438600;10420000;Stockholm;1608
+Szlovákia;49000;5450000;Pozsony;433
+Szlovénia;20300;2110000;Ljubljana;287
+Egyesült Királyság;244400;67330000;London;9177
+Izland;103000;370000;Reykjavík;216
+Észak-Macedónia;25700;1950000;Szkopje;590
+Montenegró;13900;620000;Podgorica;177
+Norvégia;323800;5410000;Osló;1027
+Oroszország;17098200;143450000;Moszkva;12476
+Svájc;41300;8700000;Bern;426
+Szerbia;88400;6830000;Belgrád;1394
+Törökország;783600;84150000;Ankara;5018
+India;3287300;1393410000;Új-Delhi;29399
+Izrael;22100;9360000;Jeruzsálem;919
+Japán;377900;125680000;Tokió;37435
+Kína;9600000;1412360000;Peking;20036
+Koreai Köztársaság;100400;51740000;Szöul;9962
+Dél-afrikai Köztársaság;1221000;60040000;Pretoriap;2473
+Egyiptom;1002000;104260000;Kairó;20485
+Brazília;8510300;213990000;Brasilia;4559
+Egyesült Államok;9833500;331890000;Washington, D.C.;5265
+Kanada;9984700;38250000;Ottawa;1378
+Mexikó;1964400;130260000;Mexikóváros;21672
+Ausztrália;7692000;25740000;Canberra;453
+Új-Zéland;268100;5120000;Wellington;413

20240904/ConsoleApp1/obj/Debug/.NETFramework,Version=v4.8.AssemblyAttributes.cs

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]

20240904/ConsoleApp1/obj/Debug/ConsoleApp1.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+25f359d3fd7d560a1dec87ab383b84f91627954af157e6d29c6e8f4a1e97b265

20240904/ConsoleApp1/obj/Debug/ConsoleApp1.csproj.FileListAbsolute.txt

@@ -0,0 +1,7 @@
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\bin\Debug\ConsoleApp1.exe.config
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\bin\Debug\ConsoleApp1.exe
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\bin\Debug\ConsoleApp1.pdb
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\obj\Debug\ConsoleApp1.csproj.AssemblyReference.cache
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\obj\Debug\ConsoleApp1.csproj.CoreCompileInputs.cache
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\obj\Debug\ConsoleApp1.exe
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240904\ConsoleApp1\obj\Debug\ConsoleApp1.pdb