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Re:有谁能解释一题目吗?题目弄的不太明白!!!!小弟这里先谢了....

Posted by TangMing at 2008-07-23 16:05:38 on Problem 1068
In Reply To:Re:有谁能解释一题目吗?题目弄的不太明白!!!!小弟这里先谢了.... Posted by:TangMing at 2008-07-23 16:04:17
pi表示第i个')'前面有多少个'('

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