public static void Main(string[] args)
{
string[] cities = System.IO.File.ReadAllLines("cities100000.txt"); // creates a huge string that contains all the data
Hashdictionary <GeoLoaction, City> hashDictionary = new Hashdictionary <GeoLoaction, City>(100); // creates a dictionary with 100 slots and all the slots are a linked list
foreach (var city in cities)
{
string[] info = city.Split('\t'); //info string is the length of the amount of tabs
string CityName = info[0];
double longitude = Double.Parse(info[1], System.Globalization.CultureInfo.CreateSpecificCulture("en-us"));
double latitude = Double.Parse(info[2], System.Globalization.CultureInfo.CreateSpecificCulture("en-us"));
int population = int.Parse(info[3]);
GeoLoaction location = new GeoLoaction(longitude, latitude);
City Newcity = new City(longitude, latitude, CityName, population);
hashDictionary.Add(location, Newcity);
}
double Inputlongitude = 0;
double Inputlatitude = 0;
Console.WriteLine("Write a longitude and a latitude to see if there is a city there\n");
Console.WriteLine("Longitude: ");
Inputlatitude = Double.Parse(Console.ReadLine(), System.Globalization.CultureInfo.CreateSpecificCulture("en-us"));
Console.WriteLine("Latitude:");
Inputlongitude = Double.Parse(Console.ReadLine(), System.Globalization.CultureInfo.CreateSpecificCulture("en-us"));
GeoLoaction InputLocation = new GeoLoaction(Inputlongitude, Inputlatitude);
if (hashDictionary.ContainsKey(InputLocation))
{
Console.WriteLine($"The city on that location is {hashDictionary[InputLocation].Name} with population of {hashDictionary[InputLocation].Population}");
}
else
{
Console.WriteLine("There was no city on that location");
}
Console.Read();
//var enumerator = hashDictionary.GetEnumerator();
//while(enumerator.MoveNext())
//{
// Console.WriteLine(enumerator.Current);
//}
}
public City(double Longitude, double Latitude, string Name, int Population)
{
name = Name;
population = Population;
location = new GeoLoaction(Latitude, Longitude);
}