using namespace std; tells the compiler
A) where to get the definitions of certain objects variables)
B) where your program is located
C) what language to use for input and output
D) nothing

Question

Quizplus · Accepted Answer

The "using namespace std;" statement tells the compiler to use the standard namespace, which includes the definitions of common objects such as cout and cin. This makes it unnecessary to qualify those objects with the std:: prefix, which can make the code shorter and easier to read.

Using Namespace Std; Tells the Compiler