Problem 3: 统计单词个数 Problem 3: 统计单词个数
Time Limit: 1 Sec Memory Limit: 128 MB
Submit: 160 Solved: 123
[Submit] [Status] [Web Board] [Creator:]Description
输入字符串（包含空格），统计其中单词个数，单词之间以一个或多个空格隔开
Input
How are you
Output
3
Sample Input
How are you
Sample Output
3
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