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Re:猪胃,度娘是女人,不可轻信!!In Reply To:猪胃,度娘是女人,不可轻信!! Posted by:kill_myself at 2013-05-27 22:56:05 > 一直以来KMP我都是照抄百科的模板,一直所向披靡! > 此时,我终于知道抄模板是要付出代价的! > 谁知道查了一万遍原来是getnext()错了! > inline void NEXT(conststring& T,vector<int>& next) > { > //按模式串生成vector,next(T.size()) > next[0]=-1; > for(int i=1;i<T.size();i++){ > int j=next[i-1]; > while(T[i]!=T[j+1]&& j>=0) > j=next[j] ; //递推计算 > if(T[i]==T[j+1])next[i]=j+1; > else next[i]=0; //!!!!就这句坑爹 > } > } > 介是哪位坑爹选手的代码啊!!! > 乍一看,最后一行next[i]=0;不是废话么! > 最后才知道个中玄机留待众爹揣摩! > 这些代码就没有啥专业人员审核么! Followed by: Post your reply here: |
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