+ 11
Specify the namespace in front of the identifier instead. E.g.
std::cout, std::cin
https://www.sololearn.com/discuss/294730/?ref=app
https://www.sololearn.com/discuss/333555/?ref=app
https://www.sololearn.com/discuss/611594/?ref=app
https://www.sololearn.com/discuss/392399/?ref=app