beginning

Question

The the code line using namespace std is the using necessary?

Answer 1

Contains examples of codes without 'using namespace', and the reasoning behind why it is important to know how to not use it.

https://www.sololearn.com/Discuss/294730/?ref=app

Answer 2

That is something the course does not teach.

Read this for the answer.

http://www.cplusplus.com/doc/tutorial/program_structure/