using System;

using System.Linq; 

using System.Collections.Generic;

public class Program

{

    public static List<Office> offices = new List<Office>(){

    new Office{

    LocationName = "test",

    MaxCapacity = 6,

    AvailableResources = new[]{"wi-fi", "tv", "FHD", "Smth"}

    },

        new Office{

    LocationName = "test",

    MaxCapacity = 8,

    AvailableResources = new[]{"wi-fi", "tv", "FHD", "Smth"}

    }

    ,

    new Office{

    LocationName = "test",

    MaxCapacity = 3,

    AvailableResources = new[]{"wi-fi", "tv", "FHD", "Smth"}

    },

    new Office{

    LocationName = "test",

    MaxCapacity = 2,

    AvailableResources = new[]{"wi-fi", "Smth"}

    },

    new Office{

    LocationName = "test",

    MaxCapacity = 9,

    AvailableResources = new[]{"test","tv", "Smth"}

    },

    new Office{

    LocationName = "test",

    MaxCapacity = 7,

    AvailableResources = new[]{"wi-fi", "tv","Smth"}

    },

    new Office{

    LocationName = "test",

    MaxCapacity = 8,

    AvailableResources = new List<string>()

    }

​

    };

    public static void Main()

    {

        var officeSuggestion = GetOfficeSuggestion(new Request{

             CapacityNeeded= 6, PreferedNeigborHood="not used", ResourcesNeeded= new[] { "wi-fi", "tv" } });

        Console.WriteLine(officeSuggestion.ToList().Count.ToString());

        Console.ReadLine();

    }

     public static IEnumerable<Office> GetOfficeSuggestion(Request suggestionRequest)

    {

        var resources = suggestionRequest.ResourcesNeeded;

        var enumerable = resources.ToList();

        //Console.WriteLine(enumerable.ToList().Count.ToString());

        if (!enumerable.Any() || string.IsNullOrEmpty(suggestionRequest.PreferedNeigborHood))

        {

            var officeSuggestion = offices.Where(x => x.MaxCapacity >= suggestionRequest.CapacityNeeded).OrderBy(o => o.MaxCapacity);

​

​

            return officeSuggestion;

        }

        else

        {

            var officeSuggestion = offices.Where(x => x.MaxCapacity >= suggestionRequest.CapacityNeeded  &&  !enumerable.Except(x.AvailableResources).Any()  ).OrderBy(o => o.MaxCapacity);

​

​

            return officeSuggestion;

        }

    }

}

​

public class Office {

​

    public string LocationName{set; get;}

    public string Name{set; get;}

    public int MaxCapacity{set; get;}

    public IEnumerable<string> AvailableResources{set; get;}

}

public class Request {

​

    public string PreferedNeigborHood{set; get;}

    public int CapacityNeeded{set; get;}

    public IEnumerable<string> ResourcesNeeded{set; get;}

}