Answer 1

You are looking for the following

http://www.cplusplus.com/reference/tuple/

A more readable example

https://www.geeksforgeeks.org/tuples-in-c/

tuples are supported in standard libraries of C++11 and above. If you want to work with previous versions of C++, you may need to consider some third party libraries like boost.

http://www.boost.org/doc/libs/1_49_0/libs/tuple/doc/tuple_users_guide.html