In an array-based implementation of a heap, the number of array items that must be swapped to transform a semiheap of n nodes into a heap is ______.

The ____________________ professional is a specialist in protecting personal information.

Fill in the blank(s) with the appropriate word(s).

In the context of formatting lists, by default, unordered lists are displayed with numerals while ordered lists are displayed with a solid disc.?

Answer the following statement true (T) or false (F)