TecomTechLab build: .NET 6

Program.cs

using System.Text.RegularExpressions;

int variable = 2;
const int BITNESS = 16;
List<bool> result = new();

List<List<int>> hadamar = GetHadamard(BITNESS);
List<int> w = hadamar[variable - 1];

Regex.Replace(
        File.ReadAllText(@"D:\MeinLiX\project\source\repos_cSph\MyLibs\TecomTechLab\TecomTechLab\DataBinary.dat"),
        @"\s+", " ")
     .Split(" ")
     .Where(s => !string.IsNullOrEmpty(s))
     .Select(i => Convert.ToInt32(i))
     .Chunk(BITNESS)
     .ToList()
     .ForEach(musk =>
     {
         int sum = 0;
         for (int i = 0; i < musk.Length; i++)
             sum += musk[i] * w[i];
         result.Add((sum / BITNESS) > 0);
     });

Console.WriteLine($"Variable ({variable}): ");
Console.WriteLine(string.Join(" ", result.Select(i => Convert.ToInt16(i))));


static List<List<int>> GetHadamard(int n) => n switch
{
    1 => new List<List<int>> { new List<int>() { 1 } },
    _ => GetHadamardNext(n)
};

static List<List<int>> GetHadamardNext(int n)
{
    List<List<int>> result = new(GetHadamard(n / 2));
    for (int i = 0; i < result.Count; i++)
        for (int j = 0; j < (n / 2); j++)
            result[i].Add(result[i][j]);

    for (int i = 0; i < (n / 2); i++)
    {
        result.Add(new(result[i]));
        for (int j = 0; j < (n / 2); j++)
            result[(n / 2) + i][(n / 2) + j] = -result[(n / 2) + i][(n / 2) + j];
    }

    return result;
}