Prepare for CET6
时间: 1ms 内存:128M
描述:
Hard to force the CET4&6 is imminent, which makes most of the students a headache. This does not, Liu is trying his best to prepare for the CET6, trying to do a variety of previous year’s problem. But the most helpless for Liu is a quick read of this topic, so he thought of a thing does not make sense is that the statistical article the total number in different words. Here your task is to help Liu solve this problem.
输入:
Multiple sets of data, each row is an article. Each article is consisted by lowercase letters and spaces, no punctuation, encounter # when the input end.
输出:
Each group output only an integer, which alone make the trip, the integer representing the total number of different words in an article.
示例输入:
you are my friend
can you can a can as a canner can can a can
#
示例输出:
4
5
提示:
参考答案:
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