爆炸入口 有一个S串和一个T串,长度均小于1,000,000,设当前串为U串,然后从前往后枚举S串一个字符一个字符往U串里添加,若U串后缀为T,则去掉这个后缀继续流程. 这道题确乎是个很好的联系kmp的题目 结合了栈的思想.通过栈保留匹配时的失配指针的位置,达到分段删除的效果,即可以通过删去中间若干个T串,使得被删去左右两端可以拼成T. 同时也因为栈,使得我们在输出的更加方便.结束时,在栈中的元素一定是无法删除的元素.而且是有序的(输入顺序,从下标小的开始),直接输出即可以. 怎么使用栈呢? 对…

[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…

3942: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 375  Solved: 206[Submit][Status][Discuss] Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material…

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 inap…

AC自动机.为什么洛谷水题赛会出现这种题然而并不会那么题意就不说啦 .终于会写AC自动机判断是否是子串啦...用到kmp的就可以用AC自动机水过去啦 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<queue> using namespace std; #define rep(i,s,t) for(int i=s;i<=t;…

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…

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…

P3121 [USACO15FEB]审查(黄金)Censoring (Gold) (银的正解是KMP) AC自动机+栈 多字符串匹配--->AC自动机 删除单词的特性--->栈 所以我们先打个AC自动机模板 然后搞2个栈维护: AC自动机目前跑到字典树上的哪个点 已经跑过且没被删除的字符(答案栈) 每次碰到有结尾标记的点,就让2个栈弹出这个点所对应的单词的长度  最后输出第二个栈就行了 attention:输出答案后要换行,否则会蜜汁爆炸7pts P3121 code(P4824要稍作修改):…

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 inap…

3942: [Usaco2015 Feb]Censoring Time Limit: 10 Sec Memory Limit: 128 MB Submit: 964 Solved: 480 [Submit][Status][Discuss] Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material…

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…

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…

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…

CENSORING 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,t1,t2...tn. 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串的子串.要就是说每次要删的单词…

Censoring Time Limit: 10 Sec  Memory Limit: 128 MB[Submit][Status][Discuss] Description 有一个S串和一个T串,长度均小于1,000,000,设当前串为U串,然后从前往后枚举S串一个字符一个字符往U串里添加,若U串后缀为T,则去掉这个后缀继续流程. Input 第一行是S串,第二行是T串. Output 输出一行,表示按照操作后得到的串. Sample Input whatthemomooofun moo Sa…

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\(ans\)…

3940: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 367  Solved: 173[Submit][Status][Discuss] Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of materia…

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 inappropriate…

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…

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 inap…

题目传送门 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105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,这意味着每个列表中的单词在S中出现的开始位置是互不…

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…

WA了一万次.... 然后发现多输出了一个空格 我#$%^& 启示我们输出字符的时候应该输出ASCII码看一下.... 然后本题可以用烤馍片算法,每次匹配完以后看看当前最后一位的nxt数组的值是多少,然后补齐到 lenT . 下次匹配的时候直接从上次匹配过的最后一个开始匹配就行了. #include <iostream> #include <cstdio> #include <cstring> using namespace std; ],t[],u[]; ],…

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…

3942: [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 late…

[题目链接] https://loj.ac/problem/10059 [题意] 有一个长度不超过  1e5 的字符串 .Farmer John 希望在 T 中删掉 n 个屏蔽词(一个屏蔽词可能出现多次),这些词记为 P1,P2……Pn. [题解] 利用栈来进行匹配删除即可. 1.建模式串的AC自动机.(结尾位置记录长度) 2.利用文本串跑一遍AC自动机. 3.在跑的过程中,如果遇到屏蔽字的结尾时,相应操作为:1.把栈里弹出模式串的长度,2.同时文本串继续跑. 4.跑的过程中还需要一个辅助的数组…

[KMP]Censoring 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 rat…

# 10048. 「一本通 2.2 练习 4」Censoring [题目描述] 给出两个字符串 $S$ 和 $T$,每次从前往后找到 $S$ 的一个子串 $A=T$ 并将其删除,空缺位依次向前补齐,重复上述操作多次,直到 $S$ 串中不含 $T$ 串.输出最终的 $S$ 串. [算法] 1.kmp $O(n)$就可以定位. 2.栈是个好东西啊. 注:一开始想双指针,实在不好写...栈很好,它可以弹出去...(此处滑稽脸) [代码] #include <bits/stdc++.h> using…