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注意负数的时候，自己查程序吧

Posted by hawk at 2004-07-31 14:45:00 on Problem 1730
In Reply To:Re:这个是没错，不过你有不少错的 Posted by:snowman at 2004-07-31 14:44:07 
> 还有不少错？
> 哪里？
> 请指教
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