04. Files

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

namespace _04.Files
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            Dictionary<string, Dictionary<string, long>> output = new Dictionary<string, Dictionary<string, long>>();
            Dictionary<string, long> NameTypeSize = new Dictionary<string, long>();
            for (int i = 0; i < n; i++)
            {
                string[] data = Console.ReadLine().Split('\\').ToArray();
                string[] data2 = data[data.Length - 1].Split(';');

                string nameAndType = data2[0];
                long fileSize = long.Parse(data2[data2.Length - 1]);
                string root = data[0];

                if (output.ContainsKey(root))
                {
                    output[root][nameAndType] = fileSize;
                }
                else
                {
                    NameTypeSize = new Dictionary<string, long>();
                    NameTypeSize[nameAndType] = fileSize;
                    output[root] = NameTypeSize;
                }
            }
            string[] commands = Console.ReadLine().Split();
            string neededRoot = commands[2];
            string neededType = commands[0];
            bool doHaveNeededRoot = false;
            output = output.Where(x => x.Key.Equals(neededRoot)).ToDictionary(x=> x.Key, x=> x.Value);
            NameTypeSize = NameTypeSize.OrderByDescending(y => y.Value).ThenBy(y => y.Key).ToDictionary(y => y.Key, y => y.Value);
            if (output.ContainsKey(neededRoot))
            {
                foreach (KeyValuePair<string, long> item in NameTypeSize)
                {
                    string[] nametype = item.Key.Split('.').ToArray();
                    string type = nametype[nametype.Length - 1];
                    if (type.Equals(neededType))
                    {
                        Console.WriteLine($"{item.Key} - {item.Value} KB");
                        doHaveNeededRoot = true;
                    }
                }
            }
            if (doHaveNeededRoot ==false)
            {
                Console.WriteLine("No");
            }


        }
    }
}