Titanium_S的博客

156 - Ananagrams      题意：由相同字母组成（忽略大小写），只是顺序不同的单词称为anagram，而题目就是要找出给定文本中不是anagram的单词。 思路：

B. Misha and Changing Handles  Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But each new