Why it is important to write “using namespace std” in C++ program?
https://www.geeksforgeeks.org/why-it-is-important-to-write-using-namespace-std-in-cpp-program/
WebLast Updated : 02 Dec, 2022. In this article, we will discuss the use of “using namespace std” in the C++ program. Need of namespace: As the same name can’t be given to multiple variables, functions, classes, etc. in the same scope. So to overcome this situation namespace is introduced. Program 1:
DA: 29 PA: 37 MOZ Rank: 65