Them
CF1144D Equalize Them All
第一次看的时候确实被题面吓了一跳，没有好好思考就放弃了。其实题目还是蛮简单的。 题意 对于两种操作，我们可以进行分类讨论。 当 \(a_i > a_j\) 时 操作一：将 \(a_i\) 变为了 \(2 \times a_i - a_j\)； 操作二：将 \(a_i\) 变为了 \(a_j\)。 当 ......
AtCoder Beginner Contest 331 G - Collect Them All【概率期望+容斥+多项式】
题目链接：ABC331_G 写在前面 将来如果回顾这道题，建议自己看完题意一定先重新推一遍。如果还是不够熟练，多去做一些同类型的题目吧。 题意： 盒子里有 \(N\) 张卡片，每张卡片上写着一个数字，数字的范围是 \(1,...,M\)，写着数字 \(i\) 的卡片有 \(C_i\) 张\(（C_i ......
14.Do you have a tentative plan for you reading and/or research writing project for this semester? Create a timetable with specific goals, objectives, ways to realize them and timelines.
Round 1: Discussing the Importance of a Tentative Plan Speaker 1 (Graduate Student A): Greetings, everyone. Today, our topic revolves around having a ......
AtCoder Beginner Contest 331 G Collect Them All
洛谷传送门 AtCoder 传送门 设数字 \(i\) 第一次拿到的时间为 \(t_i\)，所求即为 \(E(\max\limits_{i = 1}^m t_i)\)。 施 min-max 容斥，有： \[\begin{aligned}E(\max\limits_{i = 1}^m t_i) & = ......
Git拉取失败 Your local changes would be overwritten by merge.Commit, stash or revert them to proceed.
今天在使用Git pull 代码的时候，出现了这样的问题： Git Pull Failed Your local changes would be overwritten by merge. Commit, stash or revert them to proceed. 这是因为本地有文件改动未提 ......
Please take a look at the provided example service unit files in this directory, and adapt and install them. Sorry!
安装Redis，执行 install_server.s 脚本时，出现如下报错： 解决方案，注释掉 install_server.sh 中的部分代码，注释代码详情如下： 再次执行 install_server.sh 脚本，结果如下： ......
Git/TortoiseGit冲突：commit your changes or stash them before you can merge[解决之道]
最近在pull代码时，遇到了‘commit your changes or stash them before you can merge’的提示，针对此问题，我查阅了大量的资料，得到了解决办法，给大家分享下 问题：在你merge or change master 前，提交你的改变，或者存储改变。 ......
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
错误 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them ......
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
### 错误 ```bash apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but ......
vue 使用Adsense错误：TagError: adsbygoogle.push() error: All ins elements in the DOM with class=adsbygoogle already have ads in them.
<div class="adsenseunit"> <!-- in-article-aquare2 --> <ins class="adsbygoogle" style="display: block" data-ad-client="ca-pub-3935005489954231" data-ad ......
npm - 报错：found XXX vulnerabilities (XXX low, X moderate)，run `npm audit fix` to fix them, or `npm au
完整报错 我正准备 npm 装包，结果失败了，并提示如下报错信息： found 808 vulnerabilities (804 low, 4 moderate) run `npm audit fix` to fix them, or `npm audit` for details 解决 直接按照后 ......
Codeforces 1257F Make Them Similar
发现 $O(2^w)$ 过不了但是 $O(2^{\frac{w}{2}})$ 过得了（$w$ 为数二进制形式位数，此题为 $30$），且异或操作表明每一位之间不会互相影响，很明显上个折半搜索就行。 考虑怎么合并，和 CF585D 同样的套路，考虑前半部分得到的为 $c_{1\sim n}$，后半部分 ......
Git Merge Failed Merging is not possible because you have unmerged files. hint: Fix them up in
这个错误提示意味着在进行git merge操作时，存在未解决的冲突（unmerged files）。Git无法自动合并这些冲突，因此您需要手动解决冲突并进行提交。 要解决这个问题，您可以按照以下步骤进行操作： 首先，运行git status命令来查看未解决的冲突文件。您会看到类似下面的提示： U ......
Git Merge Failed Merging is not possible because you have unmerged files. hint: Fix them up in
这个错误提示意味着在进行git merge操作时，存在未解决的冲突（unmerged files）。Git无法自动合并这些冲突，因此您需要手动解决冲突并进行提交。 要解决这个问题，您可以按照以下步骤进行操作： 首先，运行git status命令来查看未解决的冲突文件。您会看到类似下面的提示： U ......
AtCoder Beginner Contest 227 H Eat Them All
[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc227_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc227/tasks/abc227_h "AtCoder 传送门") 好奇特的题。 考虑 ......
【五期邹昱夫】CCF-A（NeurIPS'22）Trap and Replace: Defending Backdoor Attacks by Trapping Them into an Easy-to-Replace Subnetwork
> "Wang, Haotao, et al. "Trap and Replace: Defending Backdoor Attacks by Trapping Them into an Easy-to-Replace Subnetwork." Advances in Neural Informa ......
[Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.
##报错信息: [Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, ......
papamelon 349. 城市帮派 Find them, Catch them（挑战程序设计竞赛）
地址 https://www.papamelon.com/problem/349 ``` 一个城市里有两个帮派，另外有 N 个成员，成员从 1∼N 进行编号，每个成员来自于其中一个帮派。 给定 M 个信息，每个信息有两种格式： D a b：a,b(1≤a,b≤N,a≠b) 两个人不是一个帮派的 A ......