Is there any differ in between exit(0) and return 0

Answer 1

no that is not the case.

namespace std includes everthing from the included libraries.

and iostream.h is a library from turbo c++ the outdated c++ ide.

Answer 2

I do not see much difference in practice.

try this thread

https://www.sololearn.com/discuss/785942/?ref=app

Answer 3

ok y do we use using namespace std ..instead of dat can we use iostream.h ?

Answer 4

OK bro ty