I believe that the 'using namespace <xxx>;' is discouraged now-a-days. I believe the more preferred way is to be explicit by 'using std::cout;' for each and ev

I believe that the 'using namespace <xxx>;' is discouraged now-a-days. I believe the more preferred way is to be explicit by 'using std::cout;' for each and every function you want to "shorten/cleanup"