Question

Subsequent elements are moved in terms of _____ when an element in inserted in vector?

(a) Assignment Operator

(b) Copy constructor

(c) Both assignment operator and copy constructor

(d) destructor

I have been asked this question in exam.

The doubt is from Sequences and Containers in chapter Algorithms, Objects & Iterators in C++ of C++

Answer 1

Right option is (c) Both assignment operator and copy constructor

The explanation: The vector maintains a certain order of its elements, so that when a new element is inserted at the beginning or in the middle of the vector, Subsequent elements are moved backwards in terms of their assignment operator or copy constructor.