MultiDIct02Countries Test

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

namespace MultiDictionaries
{
    class Program
    {
        static void Main(string[] args)
        {
            var continentsData= new Dictionary<string,Dictionary<string,List<string>>();
            int inputCount = int.Parse(Console.ReadLine());

            for(int i = 0; i < inputCount; i++)
            {
                string[] input = Console.ReadLine().Split(' ');
                string continentName = input[0];
                string countryName = input[1];
                List<string> cityName = input[2];

                if(!continentsData.ContainsKey(continentName))
                {
                    continentsData.Add(continentName, new Dictionary<string, string>());
                }
                continentsData[continentName].Add(countryName, cityName);
            }

            foreach(var record in continentsData)
            {
                string continentName = record.Key;
                Dictionary<string, string> countriesData = record.Value;

                Console.WriteLine("{0}:", continentName);
                foreach(KeyValuePair<string, string> countryData in countriesData)
                {
                    string countryName = countryData.Key;
                    string cityNames = countryData.Value;
                    Console.WriteLine("  {0} --> {1}", countryName, cityNames);
                }

            }


        }
    }
}