What is an lvalue?

What does auto type specifier do in this line of code (since C++11)? auto x = 4000.22;

A class template is a _?

What is the ternary operator equivalent to this code snippet? if(x) y=a; else y=b;

What is the meaning of the two parts specified between parentheses in a range-based for loop, separated by a colon?

Which STL class is the best fit for implementing a collection of data that is always ordered so that the pop operation always gets the greatest of the elements? Suppose you are interested only in push and pop operations.

What is a virtual function in C++?

What does the 'explicit' keyword do?

int *array = new int[10]; delete array;

Which C++ keyword allows the compiler to determine the type of a variable by the value used to initialized it?

Thinking about data members and addressable memory, how are a struct, class and union different?