project finished!

Math Game/Math Game.slnx

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+<Solution>
+  <Project Path="Math Game/Math Game.csproj" />
+</Solution>

Math Game/Math Game/Math Game.csproj

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

Math Game/Math Game/Program.cs

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+
+
+
+using System.Diagnostics;
+
+namespace Math_Game
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("testing 123!");
+            Menu();
+        }
+
+        static void Menu()
+        {
+            List<string> history = new List<string>();
+            var gameParemeters = ("", 0);
+            int userOption = 0;
+            bool gameParameterChosen = false;
+            string menu = "Welcome to the math game! Please select a game mode: \n" +
+    "1) Select game options \n" +
+    "2) Play \n" +
+    "3) View history \n" +
+    "4) Exit";
+
+            while (true)
+            {
+                Console.WriteLine(menu);
+
+                if (!int.TryParse(Console.ReadLine(), out userOption))
+                {
+                    Console.WriteLine("Please enter a valid number (1 - 4): ");
+                    continue;
+                }
+
+
+                if (userOption == 1)
+                {
+                    gameParemeters = GetGameParameters();
+                    gameParameterChosen = true;
+                    continue;
+                }
+                else if (4 > userOption && userOption > 1 && gameParameterChosen == false)
+                {
+                    Console.WriteLine("Please select game parameters first");
+                    continue;
+                }
+                else if (userOption == 2)
+                {
+                    while (true)
+                    {
+                        Console.WriteLine("do you want a random game? (yes/no)");
+
+                        string userInputForRandomGame = (Console.ReadLine() ?? "").ToLower();
+
+                        if (userInputForRandomGame == "yes")
+                        {
+                            history.AddRange(PlayGame(gameParemeters.Item1, gameParemeters.Item2, true, 0));
+                            break;
+                        }
+                        else if (userInputForRandomGame == "no")
+                        {
+                            Console.WriteLine("please choose an operator \n" +
+                                "1) +\n" +
+                                "2) -\n" +
+                                "3) *\n" +
+                                "4) /\n");
+
+                            if (!int.TryParse(Console.ReadLine(), out int userChosenOperator))
+                            {
+                                Console.WriteLine("please enter 1 - 4 only");
+                                continue;
+                            }
+                            else
+                            {
+                                history.AddRange(PlayGame(gameParemeters.Item1, gameParemeters.Item2, false, userChosenOperator - 1));
+                            }
+                            break;
+                        }
+                        else
+                        {
+                            Console.WriteLine("Please enter yes or no only");
+                        }
+                    }
+
+
+
+                }
+                else if (userOption == 3)
+                {
+                    if(history.Count == 0)
+                    {
+                        Console.WriteLine("No games played yet!");
+                        continue;
+                    }
+                    foreach (string item in history)
+                    {
+                        Console.WriteLine(item);
+                    }
+                }
+                else if (userOption == 4)
+                {
+                    Console.WriteLine("Thanks for playing!");
+                    break;
+                }
+                else
+                {
+                    Console.WriteLine("Please enter a valid number ( 1 - 4 ): ");
+                    continue;
+
+                }
+            }
+        }
+
+        static (string difficulty, int numberOfQuestions) GetGameParameters()
+        {
+
+            string? difficulty = "";
+            int numberOfQuestions = 0;
+
+            while (true)
+            {
+                Console.WriteLine("please enter a valid difficulty: easy, normal or hard");
+
+                difficulty = (Console.ReadLine() ?? "").ToLower();
+                if (difficulty != "easy" && difficulty != "normal" && difficulty != "hard")
+                {
+                    continue;
+                }
+                else
+                {
+                    break;
+                }
+            }
+
+            while (true)
+            {
+                Console.WriteLine("please enter the amount of questions you want: (5 - 99)");
+                if (!int.TryParse(Console.ReadLine(), out numberOfQuestions) || numberOfQuestions < 5 || numberOfQuestions > 99)
+                {
+                    Console.WriteLine("Please enter a valid number between 5 and 99");
+                    continue;
+                }
+                else
+                {
+                    break;
+                }
+
+            }
+            return (difficulty, numberOfQuestions);
+
+        }
+
+
+
+        static List<string> PlayGame(string difficulty, int numberOfQuestions, bool randomGameBool, int userChosenOperator)
+        {
+            List<string> history = new List<string>();
+            Random rand = new Random();
+            Stopwatch sw = new Stopwatch();
+            int correctCtr = 0;
+            sw.Start();
+            for (int i = 0; i < numberOfQuestions; i++)
+            {
+
+                int firstNumber = 0;
+                int secondNumber = 0;
+                if (difficulty == "easy")
+                {
+                    firstNumber = rand.Next(1, 11);
+                    secondNumber = rand.Next(1, 11);
+                }
+                else if (difficulty == "normal")
+                {
+                    firstNumber = rand.Next(10, 100);
+                    secondNumber = rand.Next(10, 100);
+                }
+                else if (difficulty == "hard")
+                {
+                    firstNumber = rand.Next(100, 1000);
+                    secondNumber = rand.Next(100, 1000);
+                }
+
+                if (randomGameBool)
+                {
+                    int randomOperator = rand.Next(0, 4);
+                    history.Add(AskQuestion(firstNumber, secondNumber, randomOperator));
+                }
+                else
+                {
+                    history.Add(AskQuestion(firstNumber, secondNumber, userChosenOperator));
+                }
+                if (history.Last().Contains("Correct!"))
+                {
+                    correctCtr++;
+                }
+            }
+            sw.Stop();
+            Console.WriteLine("Your score is: " + correctCtr + "/" + numberOfQuestions);
+            Console.WriteLine("The total time taken(seconds) is: " + sw.Elapsed.TotalSeconds);
+            Console.WriteLine("press enter to continue");
+            Console.ReadLine();
+            return history;
+        }
+        static string AskQuestion(int firstNumber, int secondNumber, int randomOperator)
+        {
+
+            String operatorSymbol = "";
+            int realAnswer = 0;
+            if (randomOperator == 0)
+            {
+                operatorSymbol = "+";
+                realAnswer = firstNumber + secondNumber;
+            }
+            else if (randomOperator == 1)
+            {
+                operatorSymbol = "-";
+                realAnswer = firstNumber - secondNumber;
+            }
+            else if (randomOperator == 2)
+            {
+                operatorSymbol = "*";
+                realAnswer = firstNumber * secondNumber;
+            }
+            else if (randomOperator == 3)
+            {
+                operatorSymbol = "/";
+                while (true)
+                {
+                    if (firstNumber % secondNumber == 0)
+                    {
+                        realAnswer = firstNumber / secondNumber;
+                        break;
+                    }
+                    else
+                    {
+                        if (firstNumber < secondNumber)
+                        {
+                            int temp = secondNumber;
+                            secondNumber = firstNumber;
+                            firstNumber = temp;
+                        }
+                        firstNumber++;
+
+                    }
+
+                }
+
+            }
+            Console.WriteLine($"What is {firstNumber} {operatorSymbol} {secondNumber} ?");
+            int userAnswerInt = 0;
+            while (true)
+            {
+                if (!int.TryParse(Console.ReadLine(), out userAnswerInt))
+                {
+                    Console.WriteLine("Please enter a valid number");
+                    continue;
+
+
+                }
+                else
+                {
+                    break;
+                }
+
+            }
+
+            string result = realAnswer == userAnswerInt ? "Correct!" : $"Wrong! The correct answer is {realAnswer}";
+            Console.WriteLine(result);
+            return $"Question: {firstNumber} {operatorSymbol} {secondNumber}\t | Your answer: {userAnswerInt}\t | Result: {result}";
+
+        }
+
+
+    }
+}