Setw???

Answer 1

std::setw is not a keyword, it's either an object instance or a function.

Answer 2

https://www.sololearn.com/discuss/953418/?ref=app

Answer 3

It is an one of the keyword it's used for set width for one word...
For eg: cout<<C++<<setw(10);
Its show the output for 10 word space...