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终于过了,几乎什么情况都考虑了一遍

Posted by 0911280005 at 2010-01-16 10:45:43 on Problem 3753
无语,开始一直WA,还以为要考虑关键字为空的情况和有前缀空格的情况呢

原来就是一个:关键字找不到,输出全部
千万要记住啊

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