AIプログラミング②

class LCG
{
    static void Main()
    {
        Console.Write("Enter Initial SEED : 0x");   // 初期SEED入力
        if (uint.TryParse(Console.ReadLine(), System.Globalization.NumberStyles.HexNumber, null, out uint Seed))
        {
            Console.Write("Enter SEED Count :");
            if (int.TryParse(Console.ReadLine(), out int count) && count > 0)
            {
                Console.Write("Enter File Name :");
                string outputPath = Console.ReadLine();
                if (!outputPath.EndsWith(".txt", StringComparison.OrdinalIgnoreCase))
                {
                    outputPath += ".txt";
                }
                using (StreamWriter writer = new(outputPath))
                {
                    for (int i = 1; i < count; i++, Seed = NextSeed(Seed))
                    {
                        uint lsr = (Seed >> 16);
                        uint Scout = lsr % 1000;

                        DateTime baseDate = new DateTime(2000, 1, 1, 0, 0, 0);
                        TimeSpan elapsedTime = TimeSpan.FromSeconds(Seed);
                        DateTime resultDate = baseDate.Add(elapsedTime);

                        if (Scout == 0)
                        {
                            Console.WriteLine($"0x{Seed:X8} [{resultDate.ToString("yyyy/MM/dd HH:mm:ss")}] Scout!");
                            writer.WriteLine($"0x{Seed:X8} [{resultDate.ToString("yyyy/MM/dd HH:mm:ss")}] Scout!");
                        }
                        else
                        {
                            Console.WriteLine($"0x{Seed:X8} [{resultDate.ToString("yyyy/MM/dd HH:mm:ss")}] {Scout / 10:d2}.{Scout % 10}%");
                            writer.WriteLine($"0x{Seed:X8} [{resultDate.ToString("yyyy/MM/dd HH:mm:ss")}] {Scout / 10:d2}.{Scout % 10}%");
                        }
                    }
                    Console.WriteLine($"Generated {count} seeds. Output saved to {outputPath}");
                }
            }
            else { Console.WriteLine("Invalid Input for SEED Count."); }
        }
        else { Console.WriteLine("Invalid Input for Initial SEED."); }
    }
    static uint NextSeed(uint Seed)
    {
        uint a = 1103515245;
        uint b = 12345;
        return (a * Seed + b);
    }
}