max_kibble的博客

一 原题 Hidden Password ACM South Eastern Europe -- 2003 Sometimes the programmers have very strange ways of hiding their passwords. Billy "Hacker" Geits chooses a string S composed of L (5 <= L

一 原题Musical ThemesBrian DeanA musical melody is represented as a sequence of N (1 &lt;= N &lt;= 5000) notes that are integers in the range 1..88, each representing a key on the piano. It is unfortunat...