Black turnstone Black turnstone The black turnstone ("Arenaria melanocephala") is a species of small wading bird. It is one of two species of turnstone in the genus "Arenaria" the ruddy turnstone ("A. interpres") being the other. It is now classified in the sandpiper family, Scolopacidae, but was formerly sometimes placed in the plover family, Charadriidae. It is native to the west coast of North America and breeds only in Alaska. It is 22–25 centimeters long and weighs 100–170 grams. The black bill is 20–27 millimeters long and slightly upturned. The legs and feet are blackish-brown with a reddish tinge. The bird is
Insertion sort elements of the unsorted input, while in insertion sort they are simply the first "k" elements of the input. The primary advantage of insertion sort over selection sort is that selection sort must always scan all remaining elements to find the absolute smallest element in the unsorted portion of the list, while insertion sort requires only a single comparison when the "k"+1th element is greater than the "k"th element; when this is frequently true (such as if the input array is already sorted or partially sorted), insertion sort is distinctly more efficient compared to selection sort. On average (assuming the