Question

Which is true about the following declaration (assume #include <deque> has been properly added): deque<bool> d;...

Which is true about the following declaration (assume #include <deque> has been properly added):

deque<bool> d;

A.

The declaration is invalid because you must state the number of elements the deque will hold.

B.

The declaration is invalid because you can only use user-defined types of elements in a deque, and this one is using bool.

C.

The declaration is invalid because there's no such syntax using <bool>.

D.

The declaration is invalid because the correct data type is double_ended_queue instead of deque.

E.

There's nothing wrong with the declaration.

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Answer #1

There's nothing wrong with the declaration.

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