Question

What does "using namespace std" mean in c++ programs

Answer 1

Answer:

First of all, you need to know what c++ namespaces are. In programming, we cannot have variables, functions, etc with the same name. ... “using namespace std” means we use the namespace named std. “std” is an abbreviation for standard. So that means we use all the things with in “std” namespace.

Explanation:

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