Newbie C++ Programmers

"Dev-C++ is useful for newish programmers who still use "using namespace std;" and the like. It is also clean, free of bloat and uses MinGW to compile."

What's wrong with 'using namespace std;'?

What's wrong with 'using namespace std;'?

It pollutes the global namespace. You're supposed to use the std:: prefix every time you use something from that namespace.