Program.cs

// Not the best code ever, but it works c:

Console.Write("Enter the root path: ");
string? inputPath = Console.ReadLine();

if (string.IsNullOrWhiteSpace(inputPath)) return;

string rootPath = inputPath;
if (!rootPath.StartsWith(@"\\?\"))
{
    rootPath = @"\\?\" + Path.GetFullPath(rootPath);
}

try
{
    DestroyIteratively(rootPath);
    Console.WriteLine("\nOperation completed.");
}
catch (Exception ex)
{
    Console.WriteLine($"\nError: {ex.Message}");
}

static void DestroyIteratively(string rootPath)
{
    var stack = new Stack<(string Path, int Depth)>();
    var deleteOrder = new Stack<string>();
    int maxDepth = 0;

    stack.Push((rootPath, 0));

    Console.WriteLine("Scanning structure...");

    while (stack.Count > 0)
    {
        var (currentPath, depth) = stack.Pop();

        if (depth > maxDepth)
        {
            maxDepth = depth;
            if (maxDepth % 100 == 0) Console.Write($"\rReached depth: {maxDepth}...");
        }

        deleteOrder.Push(currentPath);

        try
        {
            string[] subDirs = Directory.GetDirectories(currentPath);
            foreach (var dir in subDirs)
            {
                stack.Push((dir, depth + 1));
            }
        }
        catch { }
    }

    Console.WriteLine($"\nScan finished. Max depth: {maxDepth}. Starting deletion...");

    int count = 0;
    while (deleteOrder.Count > 0)
    {
        string pathToDelete = deleteOrder.Pop();
        if (pathToDelete == rootPath) continue;

        try
        {
            Directory.Delete(pathToDelete, true);
            count++;
            if (count % 100 == 0) Console.Write($"\rDeleted folders: {count}...");
        }
        catch { }
    }
}