ForumTopics

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

namespace ForumTopics
{
    class Program                                                   // грешка при компилация, не се билдва
    {
        static void Main(string[] args)
        {
            Dictionary<string, List<string>> website = new Dictionary<string, List<string>>();
            string input = Console.ReadLine();

            while (input != "filter")
            {
                string[] info = input.Split(" -> ", StringSplitOptions.RemoveEmptyEntries).ToArray();
                string topic = info[0];
                string[] tags = info[1].Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();

                if (!website.ContainsKey(topic))
                {
                    website[topic] = new List<string>();
                }
                foreach (var tag in tags)
                {

                    website[topic].Add(tag);
                    website[topic] = website[topic].Distinct().ToList();
                }

                input = Console.ReadLine();
            }
            string lastInput = Console.ReadLine();
            string[] tagsToFind = lastInput.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();

            foreach (var topicTag in website)
            {
                bool tagsToFindAreContained = tagsToFind.All(t => topicTag.Value.Contains(t));
                if (tagsToFindAreContained)
                {
                    List<string> result = topicTag.Value.Select(item => "#" + item).ToList();

                    Console.WriteLine($"{topicTag.Key} | {string.Join(", ", result)}");
                }
            }
        }
    }
}