static void TestBinarySearchTree()
{
BinarySearchTree bs = new BinarySearchTree();
bs.Put(18, "S"); //6
bs.Put(5, "E"); //2
bs.Put(3, "A"); //0
bs.Put(15, "R"); ///5
bs.Put(4, "C"); //1
bs.Put(9, "H"); //3
bs.Put(23, "X"); //7
bs.Put(10, "M"); //4
bs.Put(12, "P"); //5
bs.Put(6, "L");
//Console.WriteLine(bs.Size());
//Console.WriteLine(bs.Rank(5));//2
//Console.WriteLine(bs.Rank(19));
Console.WriteLine(bs.RangeCount(5, 18));
bs.RangeValues(5, 18);
Console.WriteLine(bs.RangeCount(5, 19));
bs.RangeValues(5, 19);
//Console.WriteLine(bs.RangeCount(6, 18));
//bs.RangeValues(6, 18);
//Console.WriteLine(bs.RangeCount(6, 19));
//bs.RangeValues(6, 19);
//var a = bs.Iterator();
//foreach (var item in a)
//{
// Console.WriteLine(bs.Get(item));
//}
//Console.WriteLine(bs.Get(5));
//bs.DeleteMinimum();
//Console.WriteLine((bs.Min()).Value);
//bs.DeleteMinimum();
//Console.WriteLine((bs.Min()).Value);
//Console.WriteLine(bs.Get(10));
}