My MathGame Submission

MathGame/MathGame.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

MathGame/Program.cs

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+// 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.
+
+// :: gives user a clean menu to choose from for selecting a type of game
+
+// TODO
+// add division game (make sure dividends are divisible)
+// figure out how to record games in list and add menu option to view previous games 
+
+List<string> results = new List<string>();
+
+static void Menu(List<string> results)
+{
+    string? userInput = "";
+
+    do
+    {
+        Console.WriteLine("What operation would you like to use? (choose a number)");
+        Console.WriteLine("1. Addition");
+        Console.WriteLine("2. Subtraction");
+        Console.WriteLine("3. Multiplication");
+        Console.WriteLine("4. Division");
+        Console.WriteLine("5. View Previous Games");
+        userInput = Console.ReadLine();
+    } while (userInput != "1" && userInput != "2" && userInput != "3" && userInput != "4" && userInput != "5");
+
+    if (userInput == "1")
+    {
+        AdditionGame(results);
+    }
+    else if (userInput == "2")
+    {
+        SubtractionGame(results);
+    }
+    else if (userInput == "3")
+    {
+        MultiplicationGame(results);
+    }
+    else if (userInput == "4")
+    {
+        DivisionGame(results);
+    } 
+    else if (userInput == "5")
+    {
+        ViewGames(results);    
+    }
+}
+
+Menu(results);
+
+static int generateNumber()
+{
+    Random rnd = new Random();
+    int randomNumber = rnd.Next(1, 101);
+
+    return randomNumber;
+}
+
+static void ViewGames(List<string> results)
+{
+    foreach(string result in results)
+    {
+        Console.WriteLine(result);
+    }
+    Console.WriteLine("Press enter to return to the menu");
+    Console.ReadLine();
+    Menu(results);
+}
+
+static void AdditionGame(List<string> results)
+{
+    Console.Clear();
+
+    int correctAnswer = 0;
+
+    for (int i = 1; i <= 5; i++)
+    {
+        int numOne = generateNumber();
+        int numTwo = generateNumber();
+
+        Console.WriteLine($"{i}. What is {numOne} + {numTwo}?");
+        int? answer = int.Parse(Console.ReadLine()!);
+        if (answer == (numOne + numTwo))
+        {
+            ++correctAnswer;
+            Console.WriteLine("Correct!");
+        } 
+        else
+        {
+            Console.WriteLine("Incorrect!");    
+        }
+    }
+
+    Console.WriteLine($"\nYou got {correctAnswer} out of 5 correct.\n");
+    Console.WriteLine("Press enter to return to the menu");
+    Console.ReadLine();
+    results.Add($"Addition Game Result: {correctAnswer}/5");
+    Menu(results);
+}
+
+static void SubtractionGame(List<string> results)
+{
+    Console.Clear();
+
+    int correctAnswer = 0;
+
+    for (int i = 1; i <= 5; i++)
+    {
+        int numOne = generateNumber();
+        int numTwo = generateNumber();
+
+        Console.WriteLine($"{i}. What is {numOne} - {numTwo}?");
+        int? answer = int.Parse(Console.ReadLine()!);
+        if (answer == (numOne - numTwo))
+        {
+            ++correctAnswer;
+            Console.WriteLine("Correct!");
+        } 
+        else
+        {
+            Console.WriteLine("Incorrect!");    
+        }
+    }
+
+    Console.WriteLine($"\nYou got {correctAnswer} out of 5 correct.\n");
+    Console.WriteLine("Press enter to return to the menu");
+    Console.ReadLine();
+    results.Add($"Subtraction Game Result: {correctAnswer}/5");
+    Menu(results);
+}
+
+static void MultiplicationGame(List<string> results)
+{
+    Console.Clear();
+
+    int correctAnswer = 0;
+
+    for (int i = 1; i <= 5; i++)
+    {
+        int numOne = generateNumber();
+        int numTwo = generateNumber();
+
+        Console.WriteLine($"{i}. What is {numOne} * {numTwo}?");
+        int? answer = int.Parse(Console.ReadLine()!);
+        if (answer == (numOne * numTwo))
+        {
+            ++correctAnswer;
+            Console.WriteLine("Correct!");
+        } 
+        else
+        {
+            Console.WriteLine("Incorrect!");    
+        }
+    }
+
+    Console.WriteLine($"\nYou got {correctAnswer} out of 5 correct.\n");
+    Console.WriteLine("Press enter to return to the menu");
+    Console.ReadLine();
+    results.Add($"Multiplication Game Result: {correctAnswer}/5");
+    Menu(results);
+}
+
+static void DivisionGame(List<string> results)
+{
+    Console.Clear();
+
+    int correctAnswer = 0;
+
+    for (int i = 1; i <= 5; i++)
+    {
+        int numOne = 0;
+        int numTwo = 1;
+        do
+        {
+            Random rnd = new Random();
+            numOne = generateNumber();
+            numTwo = generateNumber();
+        } while(numOne % numTwo != 0);
+
+        Console.WriteLine($"{i}. What is {numOne} / {numTwo}?");
+        int? answer = int.Parse(Console.ReadLine()!);
+        if (answer == (numOne / numTwo))
+        {
+            ++correctAnswer;
+            Console.WriteLine("Correct!");
+        } 
+        else
+        {
+            Console.WriteLine("Incorrect!");    
+        }
+    }
+
+    Console.WriteLine($"\nYou got {correctAnswer} out of 5 correct.\n");
+    Console.WriteLine("Press enter to return to the menu");
+    Console.ReadLine();
+    results.Add($"Division Game Result: {correctAnswer}/5");
+    Menu(results);
+}