To ensure that the largest element of the priority queue is always the first element of the queue, we can implement priority queues as ____.
A. piles
B. stacks
C. trees
D. heaps
Answer: D
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A service is a program that runs in the foreground and is visible on the taskbar.
Answer the following statement true (T) or false (F)
(Enhancing Class Rectangle) Create a more sophisticated Rectangle class than the one you created in Exercise 9.20. This class stores only the Cartesian coordinates of the four corners of the rectangle. The constructor calls a set function that accepts four sets of coordinates and verifies that each of these is in the first quadrant with no single x- or y-coordinate larger than 20.0. The set
func- tion also verifies that the supplied coordinates do, in fact, specify a rectangle. Provide member func- tions that calculate the length, width, perimeter and area. The length is the larger of the two dimensions. Include a predicate function square that determines whether the rectangle is a square. What will be an ideal response?
After typing a paragraph using the Emphasis style, you press Enter to continue, but the new paragraph will not retain the Emphasis style. This result happens because:
A) the Emphasis style cannot be used on two consecutive paragraphs. B) each style has a following paragraph style. C) styles need to be reapplied for every new paragraph. D) the Enter key is also the shortcut key for Clear Formatting.
Commands on each tab of the Ribbon are divided into collections of related commands called ________
A) key combinations B) snips C) Libraries D) groups