Add Math Game project

MathGames/MathGames.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

MathGames/Program.cs

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+using System;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.InteropServices;
+
+namespace HelloWorld;
+
+class Program
+{
+  static void Main(string[] args)
+  {
+    int points = 0;
+    bool playAgain = true;
+    Random random = new Random();
+
+    List<Questions> questions = new List<Questions>();
+    // Addition questions
+    questions.Add(new Questions("9 + 10 = ?", '+', 19));
+    questions.Add(new Questions("7 + 13 = ?", '+', 20));
+    questions.Add(new Questions("25 + 35 = ?", '+', 60));
+    questions.Add(new Questions("18 + 22 = ?", '+', 40));
+
+    // Subtraction questions
+    questions.Add(new Questions("15 - 4 = ?", '-', 11));
+    questions.Add(new Questions("50 - 23 = ?", '-', 27));
+    questions.Add(new Questions("100 - 45 = ?", '-', 55));
+    questions.Add(new Questions("73 - 28 = ?", '-', 45));
+
+    // Multiplication questions
+    questions.Add(new Questions("12 * 12 = ?", '*', 144));
+    questions.Add(new Questions("6 * 9 = ?", '*', 54));
+    questions.Add(new Questions("7 * 8 = ?", '*', 56));
+    questions.Add(new Questions("11 * 5 = ?", '*', 55));
+    questions.Add(new Questions("8 * 8 = ?", '*', 64));
+
+    // Division questions (integers only, dividends 0-100)
+    questions.Add(new Questions("56 / 7 = ?", '/', 8));
+    questions.Add(new Questions("81 / 9 = ?", '/', 9));
+    questions.Add(new Questions("100 / 10 = ?", '/', 10));
+    questions.Add(new Questions("48 / 6 = ?", '/', 8));
+    questions.Add(new Questions("72 / 8 = ?", '/', 9));
+    questions.Add(new Questions("63 / 7 = ?", '/', 9));
+
+    List<AnsweredQuestion> PreviousGames = new List<AnsweredQuestion>();
+
+    while (playAgain)
+    {
+      System.Console.WriteLine("Welcome to the Math Game!");
+      while (playAgain)
+      {
+        Console.WriteLine("=== Math Game Menu ===");
+        Console.WriteLine("1. Addition");
+        Console.WriteLine("2. Subtraction");
+        Console.WriteLine("3. Multiplication");
+        Console.WriteLine("4. Division");
+        Console.WriteLine("5. View Previous Games");
+        Console.WriteLine("6. Exit");
+        Console.Write("Enter your choice (1-6): ");
+        string choiceInput = Console.ReadLine();
+        int choice;
+
+        // Try parsing safely
+        if (!int.TryParse(choiceInput, out choice) || choice < 1 || choice > 5)
+        {
+          Console.WriteLine("\nExiting the game. Thanks for playing!");
+          playAgain = false;
+          break;
+        }
+        else if (choice == 5)
+        {
+          Console.WriteLine("\nHere are your previous games:");
+          foreach (var answered in PreviousGames)
+          {
+            string correctness = answered.IsCorrect ? "Correct" : "Wrong";
+            Console.WriteLine($"{answered.QuestionText} Your answer: {answered.UserAnswer}. Correct answer: {answered.Answer}. Result: {correctness}");
+          }
+          continue;
+        }
+
+        char operationChar = ' ';
+        switch (choice)
+        {
+          case 1: operationChar = '+'; break;
+          case 2: operationChar = '-'; break;
+          case 3: operationChar = '*'; break;
+          case 4: operationChar = '/'; break;
+        }
+
+        List<Questions> filteredQuestions = questions.Where(q => q.Operation == operationChar).ToList();
+        Questions question = filteredQuestions[random.Next(filteredQuestions.Count)];
+
+        Console.WriteLine(question.QuestionText);
+        if (!int.TryParse(Console.ReadLine(), out int userAnswer))
+        {
+          Console.WriteLine("Invalid input! Please enter a number.\n");
+          continue;
+        }
+
+        PreviousGames.Add(new AnsweredQuestion(question.QuestionText, question.Operation, question.Answer, userAnswer));
+
+        if (userAnswer == question.Answer)
+        {
+          points++;
+          Console.WriteLine("Correct!\n");
+        }
+        else
+        {
+          Console.WriteLine($"Wrong! The correct answer is {question.Answer}\n");
+        }
+      }
+      Console.WriteLine($"Your total points is: {points}!");
+      Console.WriteLine("Do you want to play again? (y/n)");
+      string response = Console.ReadLine();
+      if (response.ToLower() != "y")
+      {
+        playAgain = false;
+      }
+      else
+      {
+        playAgain = true;
+        points = 0;
+      }
+    }
+
+  }
+}
+
+class Questions
+{
+  public string QuestionText { get; }
+  public char Operation { get; }
+  public int Answer { get; }
+
+  public Questions(string questionText, char operation, int answer)
+  {
+    QuestionText = questionText;
+    Operation = operation;
+    Answer = answer;
+  }
+}
+class AnsweredQuestion : Questions
+{
+  public int UserAnswer { get; set; }
+  public bool IsCorrect { get; set; }
+
+  // Call base constructor for QuestionText, Operation, Answer
+  public AnsweredQuestion(string questionText, char operation, int answer, int userAnswer)
+      : base(questionText, operation, answer)
+  {
+    UserAnswer = userAnswer;
+    IsCorrect = userAnswer == answer;
+  }
+}
+
+
+/*
+You need to create a game that consists of asking the player what's the result of a math question (i.e. 9 x 9 = ?), collecting the input and adding a point in case of a correct answer.
+
+
+A game needs to have at least 5 questions.
+
+
+The divisions should result on INTEGERS ONLY and dividends should go from 0 to 100. Example: Your app shouldn't present the division 7/2 to the user, since it doesn't result in an integer.
+
+
+Users should be presented with a menu to choose an operation
+
+
+You should record previous games in a List and there should be an option in the menu for the user to visualize a history of previous games.
+
+
+You don't need to record results on a database. Once the program is closed the results will be deleted.
+*/

MathGames/bin/Debug/net8.0/MathGames.deps.json

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+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v8.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v8.0": {
+      "MathGames/1.0.0": {
+        "runtime": {
+          "MathGames.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "MathGames/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}

MathGames/bin/Debug/net8.0/MathGames.runtimeconfig.json

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+{
+  "runtimeOptions": {
+    "tfm": "net8.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "8.0.0"
+    },
+    "configProperties": {
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
+}

MathGames/obj/Debug/net8.0/MathGames.AssemblyInfo.cs

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+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("MathGames")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+043425ecfa1f7cf5f208ca503ab4d36c9f26a980")]
+[assembly: System.Reflection.AssemblyProductAttribute("MathGames")]
+[assembly: System.Reflection.AssemblyTitleAttribute("MathGames")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// Generated by the MSBuild WriteCodeFragment class.
+

MathGames/obj/Debug/net8.0/MathGames.AssemblyInfoInputs.cache

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MathGames/obj/Debug/net8.0/MathGames.GeneratedMSBuildEditorConfig.editorconfig

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+is_global = true
+build_property.TargetFramework = net8.0
+build_property.TargetFrameworkIdentifier = .NETCoreApp
+build_property.TargetFrameworkVersion = v8.0
+build_property.TargetPlatformMinVersion = 
+build_property.UsingMicrosoftNETSdkWeb = 
+build_property.ProjectTypeGuids = 
+build_property.InvariantGlobalization = 
+build_property.PlatformNeutralAssembly = 
+build_property.EnforceExtendedAnalyzerRules = 
+build_property._SupportedPlatformList = Linux,macOS,Windows
+build_property.RootNamespace = MathGames
+build_property.ProjectDir = /Users/hyungminoh/asp-learn/aspnet-learning/BeginnerConsole/MathGames/
+build_property.EnableComHosting = 
+build_property.EnableGeneratedComInterfaceComImportInterop = 
+build_property.EffectiveAnalysisLevelStyle = 8.0
+build_property.EnableCodeStyleSeverity = 

MathGames/obj/Debug/net8.0/MathGames.GlobalUsings.g.cs

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+// <auto-generated/>
+global using System;
+global using System.Collections.Generic;
+global using System.IO;
+global using System.Linq;
+global using System.Net.Http;
+global using System.Threading;
+global using System.Threading.Tasks;

MathGames/obj/Debug/net8.0/MathGames.csproj.CoreCompileInputs.cache

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MathGames/obj/Debug/net8.0/MathGames.csproj.FileListAbsolute.txt

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+/Users/hyungminoh/asp-learn/aspnet-learning/BeginnerConsole/MathGames/bin/Debug/net8.0/MathGames
+/Users/hyungminoh/asp-learn/aspnet-learning/BeginnerConsole/MathGames/bin/Debug/net8.0/MathGames.deps.json
+/Users/hyungminoh/asp-learn/aspnet-learning/BeginnerConsole/MathGames/bin/Debug/net8.0/MathGames.runtimeconfig.json
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MathGames/obj/Debug/net8.0/MathGames.genruntimeconfig.cache

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MathGames/obj/Debug/net8.0/MathGames.sourcelink.json

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MathGames/obj/MathGames.csproj.nuget.dgspec.json

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MathGames/obj/MathGames.csproj.nuget.g.props

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+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/Users/hyungminoh/.nuget/packages/</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/Users/hyungminoh/.nuget/packages/</NuGetPackageFolders>
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+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">7.0.0</NuGetToolVersion>
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+  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <SourceRoot Include="/Users/hyungminoh/.nuget/packages/" />
+  </ItemGroup>
+</Project>

MathGames/obj/MathGames.csproj.nuget.g.targets

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