static void Main(string[] args)
{
Sale[] sales = new Sale[]
{
new Sale("Kiwi", "Fred", 2.4, 3.6),
new Sale("Pear", "Mike", 2.2, 9.8),
new Sale("Apple", "Henry", 1.5, 12.2),
new Sale("Watermellon", "Sam", 3.4, 5.4),
new Sale("Mango", "Felicia", 4.3, 2.1),
new Sale("Banana", "Wilson", 3.4, 5.0),
new Sale("Strawberry", "Josh", 3.4, 19.0),
};
int[] numbers = new int[] { 1, 2, 1, 4, 5, 9, 7, 8, 9 };
Console.WriteLine("MaxOverPre");
List <int> maxOverPNum = numbers.MaxOverPrevious().ToList();
maxOverPNum.ForEach(e => Console.WriteLine(e));
List <Sale> maxOverPSale = sales.MaxOverPrevious(s => s.Profit).ToList();
maxOverPSale.ForEach(e => Console.WriteLine(e));
Console.WriteLine("\nMinOverPreNum");
List <int> minOverPreNum = numbers.MaxOverPrevious(s => - s).ToList();
minOverPreNum.ForEach(e => Console.WriteLine(e));
Console.WriteLine("\nLocalMaxima");
List <int> localMaxNum = numbers.LocalMaxima().ToList();
localMaxNum.ForEach(e => Console.WriteLine(e));
Console.WriteLine("\nsaleMaxima");
List <Sale> localMaxSale = sales.LocalMaxima(s => (int)s.SellingPrice).ToList();
localMaxSale.ForEach(e => Console.WriteLine(e));
Console.WriteLine("\nLocalMinimaNum");
List <int> localMinimaNum = numbers.LocalMaxima(s => - s).ToList();
localMinimaNum.ForEach(e => Console.WriteLine(e));
Console.WriteLine("\nAtLeastK");
Console.WriteLine(sales.AtLeastK(3, s => s.SellingPrice < 5.5));
Console.WriteLine(numbers.AtLeastK(3, s => s < 5));
Console.WriteLine("\nAtLeastHlaf");
Console.WriteLine(sales.AtLeastHalf(s => s.SellingPrice < 5.3));
Console.WriteLine(numbers.AtLeastHalf(s => s < 4));
Console.ReadKey();
}
