Australia (continent) of the continent of Australia, but of the separate, submerged continent of Zealandia. New Zealand and Australia are both part of the Oceanian sub-region known as Australasia, with New Guinea being in Melanesia. The term Oceania is often used to denote the region encompassing the Australian continent, Zealandia and various islands in the Pacific Ocean that are not included in the seven-continent model. Papua New Guinea, a country within the continent, is one of the most culturally and linguistically diverse countries in the world. It is also one of the most rural, as only 18 percent of its people live
Smallest-circle problem on "N". The algorithm is recursive, and takes as arguments two (finite) sets of points and ; it computes the smallest enclosing circle of the union of and , as long as every point of is one of the boundary points of the eventual smallest enclosing circle. Thus, the original smallest enclosing circle problem can be solved by calling the algorithm with equal to the set of points to be enclosed and equal to the empty set; as the algorithm calls itself recursively, it will enlarge the set passed into the recursive calls until it includes all the boundary points