June 2018
Beginner to intermediate
240 pages
3h 54m
Russian
Content preview from Алгоритмы и структуры данных. Извлечение информации на языке Java
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Пространственная сложность
В файле ListSorter.java вы найдете метод под названием topK,
который принимает List, Comparator, и параметр типа integer k.
Он должен возвращать k наибольших элементов в List в по-
рядке возрастания. Заполните метод, а затем запустите ant
ListSortTest для подтверждения того, что он работает.
Пространственная сложность
До сих пор мы много говорили об анализе времени выпол-
нения, но для многих алгоритмов не менее важным является
пространство. Например, один из недостатков сортировки слия-
нием — она делает копии данных. В нашей реализации общий
объем пространства, который она выделяет, пропорционален
O(n log n). С более умной реализацией можно снизить требова-
ние к пространству до O(n).
Напротив, сортировка вставкой ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.