C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace MainWeb2
{
    public partial class Weather : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void TextBox1_TextChanged(object sender, EventArgs e)
        {
            String C = TextBox1.Text;
            int TXTC = Int32.Parse(C);
            string TXTC1 = TXTC.ToString();
            TXTC = (TXTF - 32) * (5 / 9);
        }

        protected void TextBox2_TextChanged(object sender, EventArgs e)
        {
            String F = TextBox2.Text;
            int TXTF = Int32.Parse(F);
            string TXTF1 = TXTF.ToString();
            TXTF = (TXTC) * (9 / 5) + 32;
        }
    }
}

public class Rootobject    
{    
     public Datum[] data { get; set; }    
     public Meta meta { get; set; }    
     public Links links { get; set; }    
}    
    
public class Meta    
{    
     public int count { get; set; }    
     public string version { get; set; }    
}    
    
public class Links    
{    
     public string self { get; set; }    
     public string first { get; set; }    
     public string last { get; set; }    
     public string next { get; set; }    
}    
    
public class Datum    
{    
     public string type { get; set; }    
     public string id { get; set; }    
     public Attributes attributes { get; set; }    
     public Relationships relationships { get; set; }    
     public Links4 links { get; set; }   
}

public class Rootobject    
{    
    public Result result { get; set; }    
    public bool success { get; set; }    
}    
    
public class Result    
{    
    public string title { get; set; }    
    public Datum[] data { get; set; }    
    public int total { get; set; }    
}    
    
public class Datum    
{    
    public string type { get; set; }    
    public string title { get; set; }    
    public string series_title { get; set; }    
    public string label { get; set; }    
    public string content_id { get; set; }    
    public string airdate { get; set; }    
    public long airdate_ts { get; set; }    
    public DateTime airdate_iso { get; set; }    
    public string expiredate_raw { get; set; }    
    public string season_number { get; set; }    
    public string episode_number { get; set; }    
    public string duration { get; set; }    
    public int duration_raw { get; set; }    
    public string rating { get; set; }    
    public Regionalratings regionalRatings { get; set; }    
    public string description { get; set; }    
    public Thumb thumb { get; set; }    
    public string url { get; set; }    
    public string app_url { get; set; }    
    public string amazon_est_url { get; set; }    
    public string itunes_est_url { get; set; }    
    public string streaming_url { get; set; }    
    public string live_streaming_url { get; set; }    
    public string tms_program_id { get; set; }    
    public object show_id { get; set; }    
    public string asset_type { get; set; }    
    public string status { get; set; }    
    public string expiry_date { get; set; }    
    public bool is_paid_content { get; set; }    
    public string ios_available_status { get; set; }    
    public string ios_available_date { get; set; }    
    public string android_available_status { get; set; }    
    public string android_available_date { get; set; }    
    public long tracking_media_id { get; set; }    
    public object signature { get; set; }    
    public object media_type { get; set; }    
    public object vtag { get; set; }    
    public bool is_live { get; set; }    
    public int medTime { get; set; }    
    public string genre { get; set; }    
    public Metadata metaData { get; set; }    
    public string brand { get; set; }    
    public string[] videoProperties { get; set; }    
    public string media_content_type { get; set; }    
    public object mpd_url { get; set; }    
    public object license_url { get; set; }    
    public object closed_captions { get; set; }    
    public int positionNum { get; set; }    
    public bool is_protected { get; set; }    
    public bool drm { get; set; }    
    public string raw_url { get; set; }    
    public string episode_title { get; set; }    
    public object pubdate_iso { get; set; }    
    public string thumbUrl { get; set; }    
    public bool isUserSubscriber { get; set; }    
    public string aaLink { get; set; }    
    public string dataTracking { get; set; }    
    public string displayTitle { get; set; }    
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Data;

class Program
{
   static void Main(string[] args)
   {
      List<string> list = new List<string>
      {
         @"\base",
         @"\base\001",
         @"\base\001\cfg",
         @"\base\001\cfg\network", // <-- intruder
         @"\base\001\cfg\network\mgmnt", // terminating leaf
         @"\base\001\cfg\network\users", // terminating leaf
         @"\base\002",
         @"\base\002\copy",
         @"\base\002\copy\cfg",
         @"\base\002\copy\cfg\network", // <-- intruder
         @"\base\002\copy\cfg\network\mgmnt", // terminating leaf
         @"\base\002\copy\cfg\network\users", // terminating leaf
      };

      Tree tree = new Tree(list[0]);
      foreach (string item in list)
      {
         tree.Add(item);
      }

      var nodes_to_delete_iter = tree.Root.Descendants().Where(d => d.Children.Count == 0);
      var nodes_to_delete_list = nodes_to_delete_iter.ToList();

      int start_count = nodes_to_delete_iter.Count(); // <---- 4 Nodes selected here.   See "terminating leaf" in the folder list

      for (int index = nodes_to_delete_list.Count - 1; index > -1; index--)
      {
         Node leaf = nodes_to_delete_list[index];
         Console.WriteLine("Removing " + leaf.Path);
         nodes_to_delete_list.Remove(leaf);
         tree.Remove(leaf);
      }

      int final_count = nodes_to_delete_iter.Count(); // <---- At this point there are 2 nodes.  "See "intruder" in the folder list

      Console.ReadKey();
   }
}

public class Tree
{
   public Node Root { get; private set; }

   public Tree(string root_path)
   {
      Root = new Node(root_path);
   }

   public Node FindParent(string node_path)
   {
      int index = node_path.LastIndexOf("\\");
      string parent_path = node_path.Substring(0, index);
      Node parent_node = Root.Descendants().FirstOrDefault(n => n.Path == parent_path);
      return parent_node;
   }

   public Node Add(string node_path)
   {
      Node parent_node = FindParent(node_path);
      Node node = new Node(node_path);
      if (parent_node != null) { parent_node.Children.Add(node);  }
      return node;
   }

   public void Remove(Node node)
   {
      Node parent_node = FindParent(node.Path);
      parent_node.Children.Remove(node);
      node = null;
   }
}

public class Node
{
   public string Path { get; private set; }
   public List<Node> Children { get; private set; }

   public Node(string value)
   {
      Children = new List<Node>();
      Path = value;
   }

   public IEnumerable<Node> Descendants()
   {
      return new[] { this }.Concat(Children.SelectMany(child => child.Descendants()));
   }

   public override string ToString() // For Viewing in VS Debugger
   {
      return Path;
   }
}