[BZOJ3942][Usaco2015 Feb]Censoring Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around in the barn during milking sessions. Unfortunately, the…

bzoj 3940 Censoring 题目描述 FJ把杂志上所有的文章摘抄了下来并把它变成了一个长度不超过10^5的字符串S. 他有一个包含n个单词的列表,列表里的n个单词记为T1......Tn.他希望从S中删除这些单词. FJ每次在S中找到最早出现的列表中的单词(最早出现指该单词的开始位置最小),然后从S中删除这个单词. 他重复这个操作直到S中没有列表里的单词为止. 注意删除一个单词后可能会导致S中出现另一个列表中的单词 FJ注意到列表中的单词不会出现一个单词是另一个单词子串的情况,这意味…

题目描述 Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around in the barn during milking sessions. Unfortunately, the latest issue contains a rather inappropria…

Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of material to read while waiting around in the barn during milking sessions. Unfortunately, the latest  issue contains a rather in…

题目 [题目描述] FJ 为它的奶牛订阅了很多杂志,balabala.......,其中有一些奶牛不宜的东西 (比如如何煮牛排). FJ 将杂志中所有的文章提取出来组成一个长度最多为 $ 10^5 $ 的字符串 S.他有一个要从 S 中删除的词语的列表,$ t_1,t_2...t_n $. FJ 每次找到最早的出现在列表里的子串,然后将其删去.他重复此过程,直到找不到这样的子串.值得注意的是删除一个单词可能产生一个新的之前并没有出现过的要被删除的单词. FJ 保证列表中没有一个字符串是另一个字符…

Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of material to read while waiting around in the barn during milking sessions. Unfortunately, the latest  issue contains a rather in…

3940: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MB Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of material to read while waiting around in the barn during…

题意:在文本串上删除一些字符串 每次优先删除从左边开始第一个满足的 删除后剩下的串连在一起重复删除步骤 直到不能删 题解:建fail 用栈存当前放进了那些字符 如果可以删 fail指针跳到前面去 好菜啊TAT 原来还有个优化 #include <bits/stdc++.h> using namespace std; ]; ]; int n, cnt, tot; ][]; ]; ]; ]; ]; ]; void insert() { int len = strlen(s); ; ; i <…

3940: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 723  Solved: 360[Submit][Status][Discuss] Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of materia…

点此看题面 大致题意: 给你一个文本串和\(N\)个模式串,要你将每一个模式串从文本串中删去.(此题是[BZOJ3942][Usaco2015 Feb]Censoring的升级版) \(AC\)自动机 这是一道\(AC\)自动机的简单运用题. 题解 我们可以用一个\(ans[\) \(]\)字符数组来存储最后的答案,并用一个\(lst[\) \(]\)数组来记录字符串中每一位上次被访问时所到达的\(Trie\)上的节点. 如果找到了一个长度为\(len\)的模式串要删去,我们可以将\(ans\)…