Why namespace is used in C++?

Answer 1

https://www.sololearn.com/discuss/1821432/?ref=app
https://www.sololearn.com/discuss/611594/?ref=app
https://www.sololearn.com/discuss/905774/?ref=app
https://www.sololearn.com/discuss/75637/?ref=app
https://www.sololearn.com/discuss/207431/?ref=app
https://www.sololearn.com/discuss/1518433/?ref=app
https://www.sololearn.com/discuss/333555/?ref=app
https://www.sololearn.com/discuss/1762818/?ref=app
https://www.sololearn.com/discuss/483243/?ref=app
https://www.sololearn.com/discuss/1819156/?ref=app

Answer 2

use the search bar, this question have been answered multiple times

Answer 3

To access a library.