SCU 4438 Censor Time Limit:0MS     Memory Limit:0KB     64bit IO Format:%lld & %llu  Practice Description Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text pp. Her job is relatively simple -- just to find the…

Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text pp. Her job is relatively simple -- just to find the first occurence of sensitive word ww and remove it. frog repeats over and over again. Help her do the tedi…

传送门 Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text P. Her job is relatively simple -- just to find the first occurence of sensitive word w and remove it. frog repeats over and over again. Help her do the te…

题意:给定一个模式串和文本,要求删除所有模式串.可能删除后会形成新的模式串,必须全部删除. 思路1:kmp算法求得失配数组,用一个match数组记录文本串中第i字符和未删除的字符能匹配模式串的长度.这样每次删除字符串之后就不用再匹配,直接查询match数组即可.用栈模拟,自己实现的栈可以加快速度. AC代码 #include <cstdio> #include <cmath> #include <cctype> #include <bitset> #incl…

模式串为子串 KMP /* @author : victor */ #include <bits/stdc++.h> using namespace std; typedef long long ll; ; int next_[MAX]; char s1[MAX], s2[MAX], ans[MAX]; int pos[MAX]; int l1, l2, cnt; void get_next(char x[],int m,int next_[]) { int i ,j; j = next_[]…

[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…

C. Censor Time Limit: 2000ms Memory Limit: 65536KB frog is now a editor to censor so-called sensitive words (敏感词). She has a long text p. Her job is relatively simple – just to find the first occurence of sensitive word w and remove it. frog repeats…

字符串模式匹配 我们要先了解一下问题是什么. 模式匹配是数据结构中字符串的一种基本运算,给定一个子串,要求在某个字符串中找出与该子串相同的所有子串,这就是模式匹配. KMP 然后我们来认识一下今天的主角\(KMP\). \(KMP\)算法是一种用来解决字符串模式匹配问题的一个经典算法,其能够在线性时间内求出在一个字符串中是否出现了另一个指定字符串,以及出现的位置,出现的次数. 形式化一下问题:给定一个字符串\(A\)和一个字符串\(B\),求\(B\)在\(A\)中的出现次数. 最长前后缀匹配…

frog is now a editor to censor so-called sensitive words (敏感词). She has a long text (p). Her job is relatively simple -- just to find the first occurence of sensitive word (w) and remove it. frog repeats over and over again. Help her do the tedious w…

Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text p . Her job is relatively simple -- just to find the first occurence of sensitive word w and remove it. frog repeats over and over again. Help her do the tedio…