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Question 23 4 pts

(TCO 6) In a binary search tree the _____ is stored in the rightmost node of the tree.

smallest value

greatest value

median

mean

Question 24 4 pts

(TCO 6) In a binary search tree, the key in the _____ node is larger than or equal to a key in the left subtree and smaller than a key in the right subtree.

right

bottom

root

header

Question 25 4 pts

(TCO 7) To store the information of a graph with five vertices in an adjacency matrix, you need to use a _____ matrix.

5x1

1x5

10x1

5x5

Question 26 4 pts

(TCO 7) Let v be an isolated vertex of a graph. The degree of v _____.

does not exist

is an odd number

is zero

is equal to the size of the graph

Question 27 4 pts

(TCO 7) Let G be a graph with four vertices and five edges. The sum of the degrees of the four vertices is _____.

4

5

8

10

Question 28 4 pts

(TCO 8) Suppose that mylist is a C++ STL object. list mylist; To append an element z to the end of mylist, use _____.

mylist.append(z);

mylist.push_back(z);

mylist.add(z);

mylist.insertEnd(z);

Question 29 4 pts

(TCO 8) To add the element x to a queue object in the C++ standard template library, myqueue, use _____.

myqueue.enqueue(x);

myqueue.push(x);

myqueue.push_front(x);

myqueue.add_Front(x);

Question 30 4 pts

(TCO 8) In C++ STL, the _____ function determines if a value exists in a sorted sequence.

sorted_search

binary_search

contain

lookup