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注意啦,白WA了3次,如下细节要注意!

Posted by 0943047777 at 2011-02-27 09:00:33 on Problem 1141
1.有空串,进行判定一下就可以了。
2.输出新式有规定。
如:())))))
输出应该是:()()()()()()
而不是:(()()()()())
3.其余问题就用dp解决了。

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