Question

What are Container Adaptors?

(a) Containers that implements data structures which can be accessed sequentially

(b) Containers that implements sorted data structures for fast search in O(logn)

(c) Containers that implements unsorted(hashed) data structures for quick search in O(1)

(d) Containers that provide a different interface for sequential containers

The question was posed to me in an online interview.

Origin of the question is Standard Template Library topic in chapter Derived Classes, Templates & Exception Handling in C++ of C++

Answer 1

Right choice is (d) Containers that provide a different interface for sequential containers

Easy explanation - Container Adaptors is the subset of Containers that provides a different interface for sequential containers.