static void Main(string[] args)
{
int countOfSales = int.Parse(Console.ReadLine());
Sale[] sales = new Sale[countOfSales];
for (int i=0; i<countOfSales; i++)
{
sales[i] = ReadSale(Console.ReadLine());
}
SortedDictionary<string, decimal> dictionary = new SortedDictionary<string, decimal>();
foreach(Sale sale in sales)
{
if(dictionary.ContainsKey(sale.Town))
{
dictionary[sale.Town] += sale.Price * sale.Quantity;
}
else
{
dictionary[sale.Town] = sale.Price * sale.Quantity;
}
}
foreach(var pair in dictionary)
{
Console.WriteLine("{0} -> {1:F2}", pair.Key, pair.Value);
}
}
static void Main(string[] args)
{
var n = int.Parse(Console.ReadLine());
var listWithSales = new List<Sale>();
for (int i = 0; i < n; i++)
{
var input = Console.ReadLine().Split();
var sale = new Sale(input[0], input[1], double.Parse(input[2]), double.Parse(input[3]));
listWithSales.Add(sale);
}
var dict = new Dictionary<string, double>();
foreach (var sale in listWithSales)
{
if (!dict.ContainsKey(sale.Town))
{
dict[sale.Town] = 0;
}
dict[sale.Town] += sale.Price * sale.Quantity;
}
foreach (var sale in dict.OrderBy(x => x.Key))
{
Console.WriteLine("{0} -> {1:F2}", sale.Key, sale.Value);
}
}
