How many types of constructors are there in C++?

The standard C++ comment

 What is the time complexity to count the number of elements in the linked list? 

Which of the following is an instantiation of the basic_string class template?

What is the output of the following program?

#define cube(x) (x)*(x)*(x)

int main()

{

   printf("%d", 16/cube(2));

   return 0;

}

What is the correct syntax for including a user-defined header file in C++?

Disadvantages of signed magnitude representation

Which statement about virtual functions is incorrect?

What is the purpose of the reinterpret_cast operator in C++?

What are escape sequences in programming?