题面 CF1418G Three Occurrences 给一个 \(n\) 个数的序列 \(a_i\),求每个出现过的数出现次数为 \(3\) 的子序列个数. 数据范围:\(1\le n\le 5\cdot 10^5\),\(1\le a_i\le n\). 蒟蒻语 做了半个上午做出了最离谱的做法:表格打叉叉. 用线段树求矩阵面积并实现,时间复杂度 \(\Theta(n\log n)\),总用时 \(1.40 min\). 蒟蒻解 想象有一个 \(n\times n\) 的表格,行表示右端点,…

统计满足某些性质的区间个数. 我们考虑移动 \(r\) 指针. 然后考虑把不能选的区间 \(ban\)掉. 具体看下细节吧. #include<iostream> #include<cstdio> #define ll long long #define N 500005 int n,c[N],u[N],pre[N]; struct P{ int tag,sum; }T[N << 2]; #define ls(x) (x << 1) #define rs(x…

手机客户端向服务器提交Http请求时,Tomcat抛出错误: 十二月 31, 2014 2:32:45 下午 org.apache.coyote.http11.AbstractHttp11Processor process信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. 经过调试后发现是Tomcat…

Toggle Mark Occurrences这个功能非常好用,能把选中的方法/变量在本类中全部出现的地方高亮显示,是一个非常实用的功能.但是默认颜色是灰色,非常毁眼.可以通过下面的设置更改为自己喜欢的颜色. Window->Preferences->General->Editors->Text Editors->Annotations->Occurrences eclipse使用tips-Toggle Mark Occurrences 颜色更改 - xue0224的专…

Count the number of occurrences in a sorted array Given a sorted array arr[] and a number x, write a function that counts the occurrences of x in arr[]. Expected time complexity is O(Logn) Examples: Input: arr[] = {1, 1, 2, 2, 2, 2, 3,}, x = 2 Output…

https://visualstudiogallery.msdn.microsoft.com/ad686131-47d4-4c13-ada2-5b1a9019fb6f About This is a small add-in for Visual Studio 2008. It searches and highlights substrings that are currently selected in a text editor. As a bonus, it works for Outp…

最近写jsp遇到一系列的低级错误,记录下来权当前车之鉴吧. 错误提示: SEVERE: Servlet.service() for servlet jsp threw exceptionorg.apache.jasper.JasperException: /jsp04/Zj04_sj_test1_1.jsp(2,1) Page directive must not have multiple occurrences of pageencoding 程序代码如下: <%@ page languag…

今天进行项目测试的时候出现了further occurrences of HTTP header parsing errors will be logged at DEBUG level.错误,查了半天资料,稍微总结一下: 1.错误报文: 信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. 2.网上查…

严重: Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: /jsp.jsp(1,2) Page directive: illegal to have multiple occurrences of contentType with different values (old: text/html; charset=UTF-8, new: text/html; carset=UT…

Description You are given two strings s and t, both consisting only of lowercase Latin letters.The substring s[l..r] is the string which is obtained by taking characters sl,sl+1,…,sr without changing the order.Each of the occurrences of string a in a…

Mark Occurrences The Mark Occurrences feature enables you to see where an element is referenced by simply clicking on the element in the editor. When the Mark Occurrences feature is enabled, all occurrences of the element within the active file will…

Let's say we are going to find out number of occurrences of a number in a sorted array using binary search in O(log n) time. For example the given array is: [1,1,3,5,5,5,5,5,9,11], the number 5 appears 5 times; the number 3 appears 1 time; 2 appears…

本文为博主原创,未经允许,不得转载: 先还原错误: org.apache.jasper.JasperException: /WEB-INF/view/../../../../common/common1.jsp (line: 7, column: 1) Page directive must not have multiple occurrences of pageencoding org.apache.jasper.compiler.DefaultErrorHandler.jspError(D…

2018-03-23 18:32:21,690 [INFO] [http-nio-11007-exec-2] org.apache.coyote.http11.Http11Processor [DirectJDKLog.java : 181] Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.la…

十二月 31, 2014 2:32:45 下午 org.apache.coyote.http11.AbstractHttp11Processor process信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. 经过调试后发现是Tomcat的header缓冲区大小不够,只需要在server.xml中增…

四月 , :: 下午 org.apache.coyote.http11.AbstractHttp11Processor process 信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.lang.IllegalArgumentException: Invalid character fou…

为了你们查看设置的简便,本次书写重点用图片说明.…

Question: Found multiple occurrences of org.json.JSONObject on the class path: jar:file:/C:/Users/nmj/.m2/repository/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar!/org/json/JSONObject.class jar:fil…

org.apache.jasper.JasperException: /commons/meta.jsp(1,1) PWC5988: Page directive: illegal to have multiple occurrences of contentType with different values(old: text/html; charset=utf-8, new: text/html;charset=UTF-8) 问题:contentType 有多个值 解决:一个页面引入另一个…

1.   获取参数Json的值为null String json=request.getParameter("Json"); 首先检查是否有下面的东东, 信息: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. 如果有:说明tomcat  的head缓冲区大小不够,在server.xml中增加ma…

B. Segment Occurrences time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given two strings s and t , both consisting only of lowercase Latin letters. The substring s[l..r] is the str…

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problem 1078. Occurrences After Bigram 题意 solution: class Solution { public: vector<string> findOcurrences(string text, string first, string second) { string bigram = first + ' ' + second + ' '; vector<string> res; int n = bigram.size(); auto…

题目如下: Given an array of integers arr, write a function that returns true if and only if the number of occurrences of each value in the array is unique. Example 1: Input: arr = [1,2,2,1,1,3] Output: true Explanation: The value 1 has 3 occurrences, 2 h…

题目如下: Given words first and second, consider occurrences in some text of the form "first second third", where second comes immediately after first, and third comes immediately after second. For each such occurrence, add "third" to the…

lc1078 Occurrences After Bigram trim().split()将原字符串转换成words数组 依次匹配first和second,若两者都能匹配上,则下一个单词为third,将其加入List<String> res 返回 res.toArray(new String[0]) class Solution { public String[] findOcurrences(String text, String first, String second) { Strin…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 字符串分割遍历 日期 题目地址:https://leetcode.com/problems/occurrences-after-bigram/ 题目描述 Given words first and second, consider occurrences in some text of the form "first second third&quo…

问题描述: 在a.jsp通过<%@ include file="b.jsp" %> 的方式引入b.jsp,但是报了标题的中的错误, 问题原因: 在a.jsp的头部: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8" %> 在b.jsp的头部: <%@ page language=…

一个jsp文件中不能同时出现两个 p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco; color: #932192 } pageEncoding 关键词 例如以下的都是错误的: <%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1" pageEncoding="GBK&quo…

先将异常信息贴出: 该问题是tomcat进行http request解析的时候报的错,网上的解决办法主要是修改Tomcat的server.xml,在<Connector port="8080"protocol="HTTP/1.1"connectionTimeout="20000" redirectPort="8443" />的配置中增加maxHttpHeaderSize的配置. <Connector port…