netherlands protection beautiful tulips
（补题）CF1348B. Phoenix and Beauty
CF1348B. Phoenix and Beauty 思路 最后输出的一定是一个周期为k的数值。我们只需要查看输入进来的数组中的元素的种类和k的关系即可。元素种类大于k输出-1；小于等于k，输出每个不同的元素，不够k个的话就用1补齐 ac代码 #include <bits/stdc++.h> us ......
8 You Are So Beautiful
如果要是子数组唯一，没有子序列与之相同，那么就要找同一个字母的第一个出现的位置和最后一个出现的位置 #include<bits/stdc++.h> #define int long long using namespace std; const int N=1e5+10; int a[N]; voi ......
致21岁的自己——May all the beauty be blessed.
[错峰跨年第一弹]长文预警，本文长达不知道多少字(本文同时发布于博客园)先说一下，博客园快要倒闭了233说起博客园又得提一嘴他的好朋友csdn，so f**k you csdn，盗我博客不得house每年到这个时候都是最忙的时候，期末周(月)加课设，画图画得焦头烂额，机械工程狗都不学。这一年倒是身体 ......
Codeforces Round 638 (Div. 2)B. Phoenix and Beauty
B. Phoenix and Beauty 这道题目学到的东西： 从给出的数据范围观察，得到一些有用信息（峰哥教的） 考虑无解的情况‘ 其实这题考虑怎么操作是比较难的，如果能想出来满足条件的结果就比较好了（我在说什么我自己也不知道，算了直接看下面的图吧） 假设\(k=3\)，下面是我们得到的结果数列 ......
SciTech-OS-MacOS的CSP(System Integrity Protection)系统正直性保护系统
bash-3.2# csrutil usage: csrutil <command> Modify the System Integrity Protection configuration. All configuration changes apply to the entire machine ......
How can I do to protect the Environmental
How can I do to protect the Environmental Protecting the environment is an important responsibility that we all share. Here are some simple steps you ......
React拖拽插件：react-beautiful-dnd
本篇文章主要介绍react-beautiful-dnd，它是基于react的拖拽插件 接下来会从以下几个方面来介绍react-beautiful-dnd 安装使用 API介绍 Example 1. 安装使用 首先我们需要安装react-beautiful-dnd # yarn yarn add re ......
Codeforces Round 910 (Div. 2) D. Absolute Beauty（数论）
Codeforces Round 910 (Div. 2) D. Absolute Beauty 思路： 将每个 \(a_i\) 与 \(b_i\) 转化为线段，大数在后，小数在前 即 L ( min) —— R (max) 对于 \(b_i\) 和 \(b_j\) 的 交换 ： L1 —— R ......
初中英语优秀范文100篇-027How to Protect Our Environment-如何保护我们的环境
PDF格式公众号回复关键字:SHCZFW027 记忆树 1 Now more and more people get to know it's important to protect our living environment. 翻译 现在越来越多的人开始意识到保护我们的生活环境的重要性。 简化 ......
CodeForces 1904F Beautiful Tree
洛谷传送门 CF 传送门 大家好，我是这个。 注意到可以树剖后线段树优化建图跑拓扑排序，但是空间复杂度 \(O(n \log^2 n)\)，大概过不了。 注意到我们只会有一个 \(\text{dfn}\) 区间不是一条重链上一段前缀的形式（跨过 \(\text{LCA}\) 的那个区间），于是对这个 ......
20.Explain how the following reasoning fails to address the complexity of the issue involved, and rebut it. “Sanya is warm all year round and has beautiful beaches,
Round 1: Identifying the Failure in Reasoning Speaker 1 (Student A): Hello, everyone! Let's kick off our discussion by examining the reasoning: "Sanya ......
初中英语优秀范文100篇-022How to Protect Eyes -如何保护眼睛
PDF格式公众号回复关键字:SHCZFW022 记忆树 1 Nowadays , the eyesight of many students is getting weaker , which is worrying. 翻译 如今，许多学生的视力越来越弱，这令人担忧。 简化记忆 担忧 句子结构 这个 ......
Redis报错：(error) DENIED Redis is running in protected mode because protected mode is enabled and no password is set for the default user
一、报错内容 (error) DENIED Redis is running in protected mode because protected mode is enabled and no password is set for the default user. In this mode c ......
CF55D Beautiful numbers
题意 给定序列 \(S\)。 求满足以下性质的 \(S\) 的排列的数量： \(\max_{j = 1} ^ {i - 1} s_j \ge 2 \times s_i\) 或 \(\max_{j = 1} ^ {i - 1} 2 \times s_j \le s_i\)。 Sol 排个序先。 设 \ ......
Count Beautiful Substrings II
Count Beautiful Substrings II You are given a string s and a positive integer k. Let vowels and consonants be the number of vowels and consonants in a ......
Transferability of the Chinese Eco-environmental Protection Measure
The United States faces multiple air pollution problems, some of which mainly include:1. Carbon dioxide emissions The United States is one of the larg ......
Netherlands: Soil Protection Act to keep tulips beautiful
Soil pollution management in the Netherlands has three characteristics. Although the natural environment, population and development conditions of the ......
CF1898 D Absolute Beauty 题解
Link CF1898 D Absolute Beauty Question 给出两个长度都为 \(n\) 的数组 \(a,b\) ，我们可以任意选择两个数 \(i,j\) 交换 \(b_i\) 和 \(b_j\) 一次，或者不换 求 \(\sum\limits_{i=1}^n |a_i-b_i|\ ......
Transferability of the Chinese Eco-environmental Protection Measure
London Convention and London ProtocolThe London Convention and London Protocol establish the global rules and standards for preventing, reducing, and ......
CF1898D - Absolute Beauty（绝对值）
题目地址 Solution 考虑把 \(|a_i-b_i|\) 转化为数轴上的线段的一条线段，那么 \(swap\) 操作可以形象转化为下图（借用官方\(Editoral\)） 考虑最大的增加（第一张图的情况）即可。 Summary 学到了 绝对值转线段，把指定操作形象化，数形结合（雾 ......
Transferability of the Chinese Ocean Trash Protection Measure
PROBLEMS Researchers at The University of Western Australia have found that although the Indian Ocean is the world's biggest dumping ground for plasti ......
Transferability of the Chinese Eco-environmental Protection Measure
Most of Saudi Arabia is desert, so it faces serious problems of water shortage and desertification. China has employed technological methods and has t ......
PyCharm - Beautiful Soup
介绍 Beautiful Soup 主要是用来解析提取 HTML 和 XML 文件中的数据。 现在官网推荐使用 Beautiful Soup 4 ，已经被移植到了BS4中。 安装 Beautiful Soup：pip instal beautifulsoup4 使用格式： 实例化 Beautiful ......
[题解] P4755 Beautiful Pair
P4755 Beautiful Pair 给你一个长度为 \(n\) 的序列 \(a\)，求有多少个区间 \([l, r]\) 满足 \(a_l \cdot a_r \le \max_{i = l}^r a_i\)。 \(n \le 10^5, a_i \le 10^9\)。 首先按最大值位置分治。 ......
A Protection Measure-the river chief system
The river and lake chief system, namely the river chief system, is an ecological civilization construction system innovation in which the party and go ......
Fight Hard for Ecological Protection and Governance of the Yellow River to Address the Water Contamination
1.Effective measure aimed at addressing the water contamination: We will fight hard for ecological protection and governance of the Yellow River. We w ......
One specific Eco-Environmental Protection Measure of light pollution
In this section, I will show the specific legal measures for light pollution in a comparative form. Foreign light pollution legislation experience On ......
Marine protected areas（MAPs)
Introduction The People’s Republic of China is the largest producer and consumer of life in the ocean, both farmed and wild-caught. Its fleets haul fr ......
题解 P4755 Beautiful Pair
洛谷。 题意 显然。 分析 首先考虑到分治，那么问题就在于如何维护经过某个结点的方案数。 利用从中间结点向两端的前缀后缀最大值，接下来我们对左端点的每一个结点考虑连向右侧的方案数。 考虑分类讨论，令左端点为 \(i\)，右端点为 \(j\)。 假如 \(mx_i> mx_j\)，那么我们整个区间的最 ......
漏扫 X-Content-Type-Options X-XSS-Protection Strict-Transport-Security X-Frame-Options
web应用nginx部署未设置头部，导致可能出现安全问题 【未设置X-Content-Type-Options响应头】 【未设置X-XSS-Protection响应头】 【未设置Strict-Transport-Security响应头】 【X-Frame-Options头未设置】 Content-T ......