hdoj：2072 - 水滴失船 - 博客园



hdoj：2072 - 水滴失船 - 博客园

lily的好朋友xiaoou333最近很空，他想了一件没有什么意义的事情，就是统计一篇文章里不同单词的总数。下面你的任务是帮助xiaoou333解决这个问题。
 

Input
有多组数据，每组一行，每组就是一篇小文章。每篇小文章都是由小写字母和空格组成，没有标点符号，遇到#时表示输入结束。
 

Output
每组只输出一个整数，其单独成行，该整数代表一篇文章里不同单词的总数。

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