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一开始我就把题意误认为这样~~~~想了N久还是想不出In Reply To:如果没有 the bunch i must be in a vase to the left of the vase containing bunch j whenever i < j. 这一句该怎么写？怎么用DP呢？我想了好长时间都没想出什么好的方法，请高手们指点 Posted by:tytzyl at 2006-07-19 20:28:44 Followed by: Post your reply here: |
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