700+ câu trắc nghiệm Ngôn ngữ lập trình C có đáp án - Phần 18

One can apply pointer arithmetic with reference variables.

A class object passed to a function template must overload any operators used on the class object by the template.

It is possible to overload a function template and an ordinary (non-template) function.

A class template may not be used as a base class.

What is the output of the following code? #include using namespace std; int main() { int a = 20; int &n = a; n = a++; a = n++; cout << a << "," << n << endl; system("pause"); }