Random number C# Exercise - C# Programming Course

// Importing the System namespace for the functionality of Math methods
using System;

public class RandomNumber
{
    // Static fields with the values as required
    private static int m = 233280;  // Modulus
    private static int a = 9301;    // Multiplier
    private static int c = 49297;   // Increment
    private static int seed = 1;    // Seed value

    // Static method to get a float between 0 and 1
    public static float GetFloat()
    {
        // Updating the seed using the given algorithm: seed = (seed * a + c) % m
        seed = (seed * a + c) % m;
        
        // Calculating the result as the absolute value of (seed / m)
        float result = Math.Abs((float)seed / m);
        
        // Returning the result
        return result;
    }

    // Static method to get an integer from 0 to max
    public static int GetInt(int max)
    {
        // Getting a float value between 0 and 1
        float randomFloat = GetFloat();
        
        // Calculating the result as the rounded integer value of (max * GetFloat)
        int result = (int)Math.Round(max * randomFloat);
        
        // Returning the result
        return result;
    }

    // Static method to get an integer between min and max
    public static int GetInt(int min, int max)
    {
        // Getting a float value between 0 and 1
        float randomFloat = GetFloat();
        
        // Calculating the result as the integer between min and max
        int result = (int)Math.Round(min + (max - min) * randomFloat);
        
        // Returning the result
        return result;
    }
}

// Main program to test the RandomNumber class
public class Program
{
    public static void Main()
    {
        // Testing GetFloat to get a random float between 0 and 1
        Console.WriteLine($"Random Float: {RandomNumber.GetFloat()}");

        // Testing GetInt to get a random integer between 0 and 100
        Console.WriteLine($"Random Int (0 to 100): {RandomNumber.GetInt(100)}");

        // Testing GetInt with a specific range (e.g., between 50 and 100)
        Console.WriteLine($"Random Int (50 to 100): {RandomNumber.GetInt(50, 100)}");
    }
}