Both a sorted array and a binary tree can let you look up an element in log(N) time. However I would expect a sorted array to be faster in practice because of the constant factor. However inserting ...

Sorting. It’s a classic problem that’s been studied for decades, and it’s a great first step towards “thinking algorithmically.” Over the years, a handful of sorting algorithms have emerged, each ...

There are lots of ways to return the top or bottom n records from a data set in Microsoft Excel, but the new dynamic array functions make doing so easier than ever. Returning the top or bottom n ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

In this module the student will learn the very basics of algorithms through three examples: insertion sort (sort an array in ascending/descending order); binary search: search whether an element is ...