To correctly swap two values, you create a(n) ____ variable to hold one of the values.

A function prototype is ____.

If you try to add a new item to a full stack, the resulting condition is called a(n) ____.

To use the strlen function in a program, you must also write #include ________.

The header file is also known as the ____________________.

C++ provides a header file called ____________________, which is used for file i/o.

What will be the output? auto fn = [](unsigned char a){ cout << std::hex << (int)a << endl; }; fn(-1);

Which is not a member of std::weak_ptr?

How do you declare a pointer where the memory location being pointed to cannot be altered, but the value being pointed to can?

std::function<int()> f; f(); f is not initialized. What exception is thrown, when you try to call it?

Given this code, what is the output? #include struct shape { void move() { std::cout << 'shape::move\n'; } }; struct circle : public shape { void move() { std::cout << 'circle::move\n'; } }; struct rectangle : public shape { void move() { std::cout << 'rectangle::move\n'; } }; int main() { shape *s; s = new shape(); s->move(); s = new circle(); s->move(); s = new rectangle(); s->move(); return 0; }