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还是要靠我啊。。。。In Reply To:大家帮忙,这个题目不会做…… Posted by:Ikki at 2005-07-28 18:43:19 > 今天一下午就废在这个题目上面了。 > 我的想法是DP,然后状态就是simple的D[i,j,r] > 但是不知道具体该怎样calculate > 原来是naive的D[i,j,r]=D[i,j,r-1]+Side(O(r)时间统计) > > 不过很明确的就超时了…… > > 不知道大家是怎么过的? > > 希望大家帮忙:) Followed by:
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