static void Main(string[] args)
{
int[] array = Initializer.GetArrayOfInts();
//Task 1.1
IEnumerable <Book> books = Task11.GetLinqAndLeapYearBooks();
//Task 1.2
int count = Task12.GetCountCharsFromArray();
//Task 1.3
int[] integers = Task13.GetOrderedIntArray();
// Task 1.4
Task14.ShowPairsAuthorAndBookCount();
//Task 2.2.
Dictionary <string, int> pairs = Task22.GetPairsAuthorAndBookCount();
//Task 2.1.
int countInts = Task21.AgregateCount(array);
int max = Task21.AgregateMax(array);
double average = Task21.AgregateAverage(array);
//Task 2.3.
var res1 = Task23.GetAllPairs(array);
var res2 = Task23.GetPairsWithNotEqualNumbers(array);
var res3 = Task23.GetPairsExceptSomePairs(array);
Console.ReadLine();
}
public static int[] GetOrderedIntArray()
{
int[] integers = Initializer.GetArrayOfInts();
int[] orderedIntegers = integers.OrderBy(i => i.ToString().First <char>()).ThenByDescending(i => i.ToString().Last <char>()).ToArray();
return(orderedIntegers);
}