static void Main(string[] args)
{
int booksCount = int.Parse(Console.ReadLine());
List<Book> books = new List<Book>();
for (int i = 0; i < booksCount; i++)
{
books.Add(ReadBook(Console.ReadLine()));
}
Library library = new Library { Name = "Library", Books = books };
DateTime date = DateTime.ParseExact(Console.ReadLine(), "d.M.yyyy", CultureInfo.InvariantCulture);
Dictionary<string, DateTime> booksByDate = new Dictionary<string, DateTime>();
foreach (Book book in library.Books)
{
if(book.ReleaseDate.CompareTo(date) > 0)
{
booksByDate.Add(book.Title, book.ReleaseDate);
}
}
foreach (var pair in booksByDate.OrderBy(x=>x.Value).ThenBy(x => x.Key))
{
Console.WriteLine("{0} -> {1:dd.MM.yyyy}", pair.Key, pair.Value);
}
}
static void Main(string[] args)
{
int booksCount = int.Parse(Console.ReadLine());
List<Book> books = new List<Book>();
for (int i=0; i<booksCount; i++)
{
books.Add(ReadBook(Console.ReadLine()));
}
Library library = new Library { Name = "Library", Books = books };
Dictionary<string, decimal> authors = new Dictionary<string, decimal>();
foreach(Book book in library.Books)
{
if(authors.ContainsKey(book.Author))
{
authors[book.Author] += book.Price;
}
else
{
authors[book.Author] = book.Price;
}
}
foreach(var pair in authors.OrderByDescending(x => x.Value).ThenBy(x => x.Key))
{
Console.WriteLine("{0} -> {1:F2}", pair.Key, pair.Value);
}
}
