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注意啦,白WA了3次,如下细节要注意!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。 Followed by: Post your reply here: |
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