C++ question

Please help me. Thank you!

Overview Location arithmetic is a way to represent numbers as binary values, using a notation that is not positional, but representational. You can see a detailed description in http://en.wikipedia.org/wiki/Location arithmetic but here are the basics. The representation Napier used letters to represent powers of two. In using letters, the position of the letter is not important, allowing for multiple representations of the same number. For example, iin location arithmetic: a-1, b-2, c-4, d-8, e= 16, f-32 and thus: acf I 4 + 32