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Re:keep track of the number of 9's

Posted by xh176233756 at 2007-03-11 16:39:45 on Problem 2602
In Reply To:keep track of the number of 9's Posted by:frkstyc at 2005-09-10 13:36:54
还有0吧.....

frkstyc大牛已经牛到不屑于做题的程度了,赞......

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