spreadsheet examples here with
CF1270G Subset with Zero Sum
G. Subset with Zero Sum 很妙。 一开始冲着背包去想的，显然不行。 考虑他条件给的这个 \(i − n \le a_i \le i − 1\) 化简一下得到 \[1 \le i - a_i \le n \]题目要去求 \[\sum \limits_{i \in S} a_i = ......
CF1270G Subset with Zero Sum
题目链接：洛谷 或者 CF 比较朴素的题，首先观察题目条件： \[ i-n \le a_i \le i-1 \Rightarrow 1 \le i-a_i \le n \text{，所以易知 } i-a_i \text{ 必定是某一点} \]考虑构造题目所说 \[\sum_{i=x_1}^{x_{t ......
修改账户密码时提示 ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement 错误
修改账户密码时提示 ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement 错误 ......
curl_easy_perform() failed: Problem with the SSL CA cert (path? access rights?)
curl_easy_perform() failed: Problem with the SSL CA cert (path? access rights?) 最近遇到了一个这个问题 发现是因为自己加了一个这个 curl_easy_setopt(pCURL, CURLOPT_SSL_OPTIONS, ......
[Vue warn]: onUnmounted is called when there is no active component instance to be associated with
[Vue warn]: onUnmounted is called when there is no active component instance to be associated with. Lifecycle injection APIs can only be used during e ......
component lists rendered with v-for should have explicit keys.
报错 component lists rendered with v-for should have explicit keys. vue2项目启动告警 告警信息 Module Warning (from ./node_modules/@vue/vue-loader-v15/lib/loaders/ ......
gsamplerCubeArrayShadow isn't supported in textureGrad, textureLod or texture with bias
问题描述 跑rust的Bevy示例程序 运行3d的示例，cargo run --example 3d_shapes 发现报错： INFO bevy_render::renderer: AdapterInfo { name: "Mesa Intel(R) Graphics (ADL GT2)", ve ......
Chapter 2 Building Abstract ions with Data
Chapter 2 Building Abstract ions with Data Native Data Types 到目前为止，我们使用的值都是 Python 语言中内置的少量的原始数据类型的实例。原始数据类型具有以下属性： ^13b410 有一些可以求解为原始数据类型的表达式，被称为字面量（ ......
3_5 Interpreters for Languages with Abstraction
3_5 Interpreters for Languages with Abstraction The Calculator language provides a means of combination through nested call expressions. However, ther ......
npm install安装依赖包时报错npm ERR! command C:\Windows\system32\cmd.exe /d /s /c node install.js，npm ERR! ChromeDriver installation failed Error with http(s) request: Error: read ECONNRESET
PS E:\20231213\uirecorder> PS E:\20231213\uirecorder> PS E:\20231213\uirecorder> PS E:\20231213\uirecorder> PS E:\20231213\uirecorder> npm install npm ......
AMOS: Enabling Automatic Mapping for Tensor Computations On Spatial Accelerators with Hardware Abstraction
AMOS: Enabling Automatic Mapping for Tensor Computations On Spatial Accelerators with Hardware Abstraction Abstract 为了实现性能提升，硬件专用化是一个趋势。空间硬件加速器利用专门的层次 ......
P9858 [CCC 2008 S1] It’s Cold Here! 题解
声明: 该题目已不再接受题解 小红题*1 正题 每个城市都有不同的气温，你想要知道哪个城市的气温最低。 现在你统计了一些城市的气温 $(1 \leq$ 城市数量 $\leq 10000$，$-273 \leq$ 气温 $\leq 200)$，请你实现一个代码，求出气温最低的城市名。 乍一看就确定了思 ......
Applied Statistics - 应用统计学习 - numpy array交换两行 ？ How to Swap Two Rows in a NumPy Array (With Example)
https://www.statology.org/qualitative-vs-quantitative-variables/ https://www.statology.org/numpy-swap-rows/ How to Swap Two Rows in a NumPy Array (Wit ......
【五期李伟平】CCF-B（TFS'23）Consensus Reaching Process With Multiobjective Optimization for Large-Scale Group Decision Making With Cooperative Game
Peng Wu, Fengen Li, Jie Zhao, et al. Consensus Reaching Process With Multiobjective Optimization for Large-Scale Group Decision Making With Cooperativ ......
【HBase】:Could not start ZK with 3 ZK servers in local mode deployment.
Could not start ZK with 3 ZK servers in local mode deployment. Aborting as clients (e.g. shell) will not be able to find this ZK quorum. 控制台报错： 这个错误表明 ......
this is incompatible with sql_mode=only_full_group_by
MySQ：mysql-5.7.30-linux-glibc2.12-x86_64 生未知异常.org.springframework.jdbc.BadSqlGrammarException: ### Error querying database. Cause: java.sql.SQLSyntax ......
sqlite example
以下是Chatgpt提供的示例程序 import sqlite3 # 连接到数据库（如果不存在则创建）conn = sqlite3.connect('example.db') # 创建一个游标对象，用于执行SQL语句cursor = conn.cursor() # 创建一个示例表cursor.exe ......
OS-Ubuntu-Server-Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant
Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant Last Updated: November 8th, 2022 Xiao Guoan (Admin) 31 Comments Debian This tutoria ......
E2. Game with Marbles (Hard Version)
E2. Game with Marbles (Hard Version) The easy and hard versions of this problem differ only in the constraints on the number of test cases and $n$. In ......
SQL Server with(nolock) 学习
1. with(nolock) 使用方法 问题：由于数据量过大，会产生数据锁死问题 解决方法：目的就是查询是不锁定表,从而达到提高查询速度的目的。 SELECT CONVERT ( VARCHAR ( 100 ), VW_BaoBiaoShuJu.LsTime, 23 ) AS DateNow, C ......
InstructGPT《InstructGPT: Training language models to follow instructions with human feedback》解读
背景 GPT-3 虽然在各大 NLP 任务以及文本生成的能力上令人惊艳，但是他仍然还是会生成一些带有偏见的，不真实的，有害的造成负面社会影响的信息，而且很多时候，他并不按人类喜欢的表达方式去说话。在这个背景下，OpenAI 提出了一个概念“Alignment”，意思是模型输出与人类真实意图对齐，符合 ......
B. Make Almost Equal With Mod
原题链接 题解，看完你对最大公约数，求余一定有更深的认识 事实1.当序列中有奇数又有偶数时，2就是那个k 事实2.当 \(a[i] \ mod \ b = c,i\in[1,n]\)时\(a[i] \ mod \ 2b = c \ or \ c+b \ (2*b<a[i])\) 事实3.如上，对非有 ......
Cold Brew: Distilling Graph Node Representations with Incomplete or Missing Neighborhoods
目录概符号说明Cold Brew代码 Zheng W., Huang E. W., Rao N., Katariya S., Wang Z., Subbian K. Cold brew: Distilling graph node representations with incomplete or ......
rust call sqlite3 error: linking with `link.exe` failed: exit code: 1181
rust call sqlite3 error: linking with link.exe failed: exit code: 1181 声明：本文禁止csdn.net及所有所有子网站转载。禁止以营利性为目的的转载。 报错 error: linking with `link.exe` faile ......
【五期李伟平】CCF-A（S&P'20）The Value of Collaboration in Convex Machine Learning with Differential Privacy
Nan W., et al. “The Value of Collaboration in Convex Machine Learning with Differential Privacy.” 2020 IEEE Symposium on Security and Privacy. 304-317 ......
AtCoder Regular Contest 168 E Subsegments with Large Sums
洛谷传送门 AtCoder 传送门 尝试二分答案，问题变为要求恰好选 \(x\) 段 \(\ge s\)，最大化选的段数。 发现我们不是很会算段数的 \(\max\)，因为要求段不重不漏地覆盖 \([1, n]\)。考虑给每个 \(\ge s\) 段 \([l, r]\) 一个 \(r - l\) ......
Quake recovery starts with a bowl of hot beef noodles 地震恢复从一碗热牛肉面开始
In freezing temperatures, a simple bowl of beef noodles brings hope to thousands of residents who lost their homes in the magnitude-6.2 earthquake in ......
关于cin，cout的 I/O 性能优化【ios::sync_with_stdio(false);】
遇到大数据量（cin、cout 数据量级达到 1e5、1e6 ），因为考虑 IO 性能会报错 TLE，一般选择 scanf、printf 替代 cin、cout 但是加上这两段代码，它们之间的速度就相差无几了 ios::sync_with_stdio(false); cin.tie(nullptr) ......
FLAC: Federated Learning with Autoencoder Compression and Convergence Guarantee-2022
目的：减少通信量(成本)，例如VGGNet架构具有大约1.38亿个参数（4264 Mb） 方法：具有自动编码器压缩（Autoencoder Compression）且具有收敛保证（Convergence Guarantee）；利用冗余信息（the redundant information）和FL的 ......
Configuration 'compile' is obsolete and has been replaced with 'implementati解决方案
Android Studio更新到3.1.2编译之前的项目直接抛出下面的异常，这让我很是头疼，经过一翻查找发现是我们配置文件中的API已经过期，我对过期的API进行修改就Over了 1、异常显示 Configuration ‘compile’ is obsolete and has been rep ......