"Web Services is the clarion call of the computer software industry at present. How should we understand the term? Because of the diversity of interpretation in the industry, the easiest way is to be general and assert that Web Services means XML in motion. If the network is the computer, Web Services comprise the software that runs on it."
ACM試題An Easy Problem
Description
As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form. Given a positive integer I, you task is to find out an integer J, which is the minimum integer greater than I, and the number of 1 s in whose binary form is the same as that in the binary form of I. For example, if "78" is given, we can write out its binary form, "1001110". This binary form has 4 1 s. The minimum integer, which is greater than "1001110" and also contains 4 1 s, is "1010011", i.e. "83", so you should output "83".
