Files

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Files
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            List<string> input = new List<string>();
            //READ DIRECTORIES
            for (int i = 0; i < n; i++){
                string inputLine = Console.ReadLine();
                input.Add(inputLine);
            }
            var inputCommand = Console.ReadLine();
            List<string> command = inputCommand.Split().ToList();
            string extension = command[0];
            string place = command[2];
            SortedDictionary<string, int> dictionary = new SortedDictionary<string, int>();
            bool hasSomething = false;
            for (int i = 0; i < input.Count; i++){
                //CHECK IF INPUT CONTAINS GIVEN DIRECTORY
                if (input[i].Contains(place)){
                    List<string> splitted = new List<string>();
                    splitted = input[i].Split('\\').ToList();
                    for (int m = 0; m < splitted.Count; m++) {
                        //CHECK IF INPUT CONTAINS GIVEN FILE EXTENTION
                        if (splitted[m].Contains(extension)){
                            hasSomething = true;
                            List<string> files = splitted[m].Split(';').ToList();
                            string file = files[0];
                            int size = int.Parse(files[1]);
                            //CHECK IF DICTIONARY CONTAINS KEY WITH DIFFERENT SIZE
                            if (dictionary.ContainsKey(file) && !dictionary[file].Equals(size)) {
                                dictionary[file] = size;
                            }
                            else {
                                dictionary.Add(file, size);
                            }
                        }
                    }
                }
            }
            //PRINT DICTIONARY IF IT CONTAINS SOMETHING
            if (hasSomething == true)
            {
                foreach (var pair in dictionary.OrderByDescending(key => key.Value))
                {
                    Console.WriteLine("{0} - {1} KB", pair.Key, pair.Value);
                }
            }
            else
            {
                Console.WriteLine("No");
            }
        }
    }
}