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洛谷 P6938 - [ICPC2017 WF]Son of Pipe Stream（网络流）
见过的最怪的网络流题，没有之一。 首先新建超级源点，向 $1,2$ 各连 $\infty$ 的边。设最大流为 $A$，那么显然最优方案中 flutter 和 water 流量之和为 $A$。 先分析一波答案函数。显然，最终答案关于 flutter 的流量 $x$ 的函数 $f(x)=x^a(A-x) ......
Handling Information Loss of Graph Neural Networks for Session-based Recommendation
Chen T. and Wong R. C. Handling information loss of graph neural networks for session-based recommendation. KDD, 2020. 概 作者发现图用在 Session 推荐中存在: lossy ......
[ABC146E] Rem of Sum is Num
2023-03-03 题目 题目传送门 翻译 翻译 难度&重要性(1~10):4 题目来源 AtCoder 题目算法 数学 解题思路 先对整个序列求前缀和 $sum_k=\sum_{i=1}^{k}a_i$ 题目求有多少对 $(l,r)$ 满足 $sum_r-sum_l\equiv r-l \mod ......
Vulnhub之Gears of War靶机详细测试过程
Gear of War 识别目标主机IP地址 ─(kali㉿kali)-[~/Vulnhub/Gearofwar] └─$ sudo netdiscover -i eth1 -r 192.168.56.0/24 Currently scanning: Finished! | Screen View: ......
canonical description of Markdown’s syntax
Markdown: Syntax Main Basics Syntax License Dingus Overview Philosophy Inline HTML Automatic Escaping for Special Characters Block Elements Paragraphs ......
c语言报错 [Error] invalid initialization of non-const reference of type 'LinkQueue*& {aka Link*&}' from an rvalue of type 'LinkQueue* {aka Link*}'
进行地址传递是出现报错 临时值不能作为非常量引用参数进行传递 所以需要在main函数中·重新定义指针传递 ......
Debug Assertion Failed!：Expression: can't dereference out of range vector iterator（&&运算的注意事项）
1 #include<iostream> 2 #include<vector> 3 using namespace std; 4 bool Find(int target, vector<int> array) { 5 auto begin = array.begin(), end = array. ......
image as set of points
Image As Set Of Points Abstract 提取图像特征的几种方法: ConvNets:将图像视为矩形中有组织的像素，并通过局部区域的卷积运算提取特征； Vision Transformers(ViTs):将图像视为一系列补丁，并通过全局范围内的注意力机制提取特征。 Contex ......
ReadAlignChunk_processChunks.cpp:204:processChunks EXITING because of FATAL ERROR in input reads: wrong read ID line format
001、 star报错 002、解决方法 fastq文件为压缩格式，运行时需添加该参数： --readFilesCommand zcat ......
01 Recap of CG Basic
Real-time High quality Rendering 1. Graphics Pipeline 渲染管线 2. OpenGL 物体摆放 视图变换 画架画布 生成片段 片段着色 3. GLSL(OpenGL Shading Language) 4. Debugging Shaders 5. ......
[Prompt] Principles of Prompting Guidlines
Principle 1 Write clear and specific instructions clear !== short Clear and specific instructions for a model will guide it towards the desired output ......
The principle of uploading files with command line tools All In One
The principle of uploading files with command line tools All In One 命令行工具文件上传的原理 / The principle of command line tool file upload demos pip git CDN OS ......
控制台报错：[Vue warn]: Error in render: "TypeError: Cannot read properties of null (reading 'length')" found in
[Vue warn]: Error in render: "TypeError: Cannot read properties of null (reading 'length')" found in ... ......
论文阅读笔记《Residual Physics Learning and System Identification for Sim to real Transfer of Policies on Buoyancy Assisted Legged Robots》
Residual Physics Learning and System Identification for Sim to real Transfer of Policies on Buoyancy Assisted Legged Robots 发表于2023年。论文较新，未找到发表期刊。 基于浮 ......
[LeetCode] 1031. Maximum Sum of Two Non-Overlapping Subarrays
Given an integer array nums and two integers firstLen and secondLen, return the maximum sum of elements in two non-overlapping subarrays with lengths ......
TypeError: Cannot read properties of undefined (reading 'filter')
TypeError: Cannot read properties of undefined (reading 'filter') const filterTableData = computed(() => store.data.users!.filter( (data) => !search.v ......
【题解】XX Open Cup, GP of Moscow
// created on 23.03.26 A. Alice and Bob 对于链上的情况，异色点是一定不会选择走进同色段的（长度不小于 $2$），因为一定不优。所以，可以倒着 DP，求助每个点的优势步数（即走多少到同色段的最后，然后接下来是黑白相间的链；链过后如果还是同色，就再 $+1$，表示 ......
【题解】XXI Open Cup. GP of Tokyo
// created on 23.04.18 A. Ascending Matrix 先不考虑 $a_{R,C}=V$ 的限制，考虑原问题，我们要找到 $k-1$ 条值域轮廓线（起点 $(n,0)$ 终点 $(0,m)$），使相互不越过。将第 $i$ 条向下、右平移 $i-1$ 格，变成了路径不交问 ......
Introducing the QCN9074: A Revolutionary New Chip for the Internet of Things
The QCN9074 is a high-performance chip designed to meet the demanding needs of the Internet of Things (IoT) market. With its powerful processing capab ......
How to use axios.js instead of request.js to get data as a buffer All In One
How to use axios.js instead of request.js to get data as a buffer All In One
如何使用 axios.js 代替 request.js 获取数据作为缓冲区 ......
B. Sum of Two Numbers - 贪心+思维+构造
题意：
给定一个整数n，输出x，y满足以下要求：
1. x+y=n
2. x的每一位上的数加在一起的数位和和y的数位和相差不超过1.
分析：
从高位开始依次遍历，将其平均分给x和y，奇数剩余的1由x和y轮流加上。
代码： ......
Correct the classpath of your application so that it contains a single, compatible version of xxx报错解决
1.背景 有时候引入包有冲突,比如在Maven项目中的不同模块多次重复引入等 这里遇到的问题是重复映入了如下包: <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactI ......
golang -WARNING: undefined behavior - version of Delve is too old for Go version 1.19.3 (maxi mum supported version 1.17)-解决
1.背景 启动警告 这是idea 内置的dlv.exe调试器版本太低了 2.解决 安装最新的 go install github.com/go-delve/delve/cmd/dlv@latest 安装成功后， 在golang的安装位置多出来个新的dlv.exe idea打开配置 写上自己的地址即可 ......
vue3 uniapp Uncaught (in promise) TypeError: Cannot read properties of null (reading 'emitsOptions') 报错
引发这个问题是在三级页面中使用uni.navigateBack({ delta: 2 })返回到一级页面 再重一级页面进入二级页面 二级页面中引用的组件引发的emitsOptions报错 //原因：我在二级页面中的组件使用ts的emit写法引发的报错 const emit= defineEmits< ......
SpringBoot上传文件报错The field multiFile exceeds its maximum permitted size of 1048576 bytes
问题原因：在上传文件中文件的大小超过默认大小，所以抛出此异常。 解决办法：在SpringBoot的配置文件中修改上传文件大小的配置 1、application.properties spring.servlet.multipart.max-request-size=200MB spring.serv ......
CF1621A Stable Arrangement of Rooks
###题目简述: 一个n*n的棋盘上，放上k个车，使得一任意车向上下左右移动一格(这里的车可以上下左右移动任意步数)后不与其他车相撞(注：不能走出棋盘之外)。 ###个人分析： 从题目可知，在车上下左右移动一格后不会与其他车相撞，换句话说，两辆车之间至少相隔一行一列，放在对角线上是最优想法，若无解则 ......
Consider defining a bean of type 'org.springframework.security.authentication.AuthenticationManager' in your configuration.
Consider defining a bean of type 'org.springframework.security.authentication.AuthenticationManager' in your configuration. ......
[LeetCode] 1342. Number of Steps to Reduce a Number to Zero 将数字变成 0 的操作次数
Given an integer num, return the number of steps to reduce it to zero. In one step, if the current number is even, you have to divide it by 2, otherwi ......
java中使用RedisTemplate读取数据异常 Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property '@class' at [Source: (byte[])"
解决方法： 直接储存对象，交给redisTemplate来序列化，或手动使用Jackson2JsonRedisSerializer序列化对象。 ......
Deep-Learning-Based Spatio-Temporal-Spectral Integrated Fusion of Heterogeneous Remote Sensing Images
Deep-Learning-Based Spatio-Temporal-Spectral Integrated Fusion of Heterogeneous Remote Sensing Images abstract 为了解决STF中的生成heterogeneous images问题: 为此，本 ......