##. The Topic of This Item
A few words about what this Item will cover.
The topic tag and difficulty rating gives you a hint of what you're in for, and typically there are both introductory/review questions (“JG,” a term for a new junior-grade military officer) leading to the main questions (“Guru”). Note that the difficulty rating is my subjective guess at how difficult I expect most people will find each problem, so you might well find that a “7” problem is easier for you than some “5” problem. Since writing Exceptional C++ [Sutter00] and More Exceptional C++ [Sutter02], I've regularly received e-mail saying that “Item #N is easier (or harder) than that!” It's common for different people to vote “easier!” and “harder!” for the same ...