Type of Files in c++ are --? Explain one

what are some iostream functions vulnerabilites that can be encountered in C++?

Please name three distinct classes available in C++ that may be used to generate input streams.

How can one quickly and efficiently copy a group of shared pointers from one array into another in C++? Create a list of potential responses to the challenge at hand. Do shared pointers and the objects they control get copied when they're copied? Explain