Part of the functionality of member function _________ can be performed by member function lower_bound.
A) equal_range
B) find
C) count
D) insert

Question

Quizplus · Accepted Answer

The equal_range member function returns a pair of iterators denoting the range of elements that match a given key. However, the lower_bound function can also be used to find the iterator to the first element that is not less than the given key. Therefore, part of the functionality of equal_range can be performed by lower_bound. None of the other member functions listed have this relationship with lower_bound.

Part of the Functionality of Member Function _________ Can Be