travelling through kingdom queen

Eloquent 模型使用详解 Has One Through 远程一对一

远程一对一也好,经过型,穿过型一对一也好,都能表示这种模型的关联方式:一种非直接的关系定义 这里使用官方的例子:👩‍🔧修理工,🚗车,👨‍💼车主来说明 上下文解释 👩‍🔧修理工 mechanics 负责维修 👨‍💼车主 owners 的 🚗车 cars,这里假设一个车主只有一张车, ......
一对一 Eloquent 模型 Through Has

2023 United Kingdom and Ireland Programming Contest (UKIEPC 2023)

Preface 最坐牢的一集,前3h狂出10题然后最后2h坐牢,祁神写J怒调2h最后喜提MLE 赛后我Rush了个H的做法常数太大又喜提TLE,评价是不如去写E题的模拟退火 A. Assessment Disruption 挺精巧的构造题,刚开始以为是构造数据不卡掉想歪了好久,后面仔细一想还是挺简单 ......
2023 Programming Kingdom Ireland Contest

If you are running inside a VM, you may need to enable SSE4.2 pass-through. 报错问题解析

W20240108 05:46:22.718271 1 flags.cc:413] Enabled unsafe flag: --use_hybrid_clock=false Not implemented: The CPU on this system (Intel(R) Xeon(R) Gold ......
pass-through you running through inside

P7830 [CCO2021] Through Another Maze Darkly

最坏走 \(n^2\) 次后,所有点的激光指向器都指向其父亲,此时走的就是欧拉序了,所以问题集中在优化前面的 \(n^2\) 次。 称激光指向器指向其父亲的结点为好点,激光指向器不指向其父亲的结点为坏点。 考虑好坏点间的转化,模拟后不难发现好点始终是好点,坏点经过一次遍历后变为好点。 而又因为坏点在 ......
Another Through Darkly P7830 7830

pytorch反向传播错误解决:RuntimeError: Trying to backward through the graph a second time, but the buffers have already been freed. Specify retain_graph=True when calling backward the first time.

pytorch反向传播错误解决: 错误: RuntimeError: Trying to backward through the graph a second time, but the buffers have already been freed. Specify retain_graph=T ......
backward the graph time RuntimeError

P7831 [CCO2021] Travelling Merchant

题意不多赘述。 注:全文所用的“点 \(u\) 的出度”均指的是点 \(u\) 在原图上的出度。 首先我们考虑 \(r_{i} = 0\) 的情况怎么写,这时我们会发现要么答案是 \(0\) 要么无解。当当前点 \(u\) 无论怎么走都走不到一个环上,即无论怎么走最终都会走到一个出度为 \(0\) ......
Travelling Merchant P7831 7831 2021

High-Efficiency Lossy Image Coding Through Adaptive Neighborhood Information Aggregation

目录简介创新点内容Entropy Coding Using Multistage Context Model模型结构残差邻域注意力块Residual Neighborhood Attention Block RNAB激活函数 高斯误差线性单元激活函数GELU并行解码 简介 创新点 Integrate ......

D. Jumping Through Segments

1、首先,假设我们已知一个k,若其符合题意,那么 第一次移动时可达区间为[-k,k],我们只需判断这个区间和[L1,R1]是否有交区间。然后我们取出这个交区间【left,right】。 接下每次移动,我们都在上一次得到的区间基础上得到新的可移动区间【left-k,right+k】,之后再和【Li,R ......
Segments Jumping Through

18.In the academic world, there is a popular phrase "publish or perish." Academics, therefore, always work hard to keep themselves academically alive through publications.

Round 1: Expressing Initial Opinions on "Publish or Perish" Speaker 1 (Student A): Hello, everyone! The phrase "publish or perish" is quite intense, i ......

D. Jumping Through Segments

题目传送门 我是彩笔 二分trigger:存在一个最小值,使得当大于最小值时一定成立,小于最小值时一定不成立 #include<bits/stdc++.h> using namespace std; int n; int l[200005]={0},r[200005]={0}; int ss(int ......
Segments Jumping Through

CF613D Kingdom and its Cities

题意 给定一棵树,每次询问给出 \(k\) 个点。 问最少删除多少个 节点 (不能删这 \(k\) 个点) 使得这 \(k\) 个点两两不连通。 Sol 无解的情况是 \(trivial\) 的。 判断是否有相邻的两个关键点就行了。 但是 \(dp\) 是不太 \(trivial\) 的。 设 \( ......
Kingdom Cities 613D 613 and

CF685E Travelling Through the Snow Queen's Kingdom

题意 给定一张图,走出当前边的时间为 \(i\)。 \(q\) 次询问,问 \(s\) 是否能在 \(l \to r\) 中走到 \(t\)。 Sol 考虑将边从大到小插入图中。 注意到当前边只能对起点造成贡献。 复杂度 \(O(n \times \max\{n, m\})\) Code #incl ......
Travelling Through Kingdom Queen 685E

T399750 Cell kingdom(Hard) 题解

Link T399750 Cell kingdom(Hard) Qustion 第一天产生 \(1\) 个细胞,之后的每一天,一个细胞都会分裂成 \(8\) 个和自己一样的细胞,每个细胞在第三天都会自爆并且带走当天产生的 \(6\) 个细胞,求第 \(x\) 天有多少细胞 Solution 我们设 ......
题解 T399750 kingdom 399750 Cell

T399742 Ting'er loves traveling 题解

Link T399742 Ting'er loves traveling Question 给出一个图,使得 \(1\) 到 \(N\) 的路径上的最大值最小 Solution 看到最大值最小想到二分,二分最大值 \(top\) 然后去 check 验证能不能从 \(1\) 走到 \(N\) Cod ......
题解 traveling T399742 399742 loves

P7831 [CCO2021] Travelling Merchant CWOI1113B

首先将边反向,再按 \(r\) 从大到小排序,这样可以使得答案的转移没有后效性。 令 \(ans_i\) 表示 \(i\) 这个点最少有多少资产方能无限地走下去。(初值为 \(inf\) ) 依次枚举每一条边。(令 \(u\) 为这条边的起点,\(v\) 为这条边的终点) 首先对现在的图进行一遍 t ......
Travelling Merchant P7831 1113B 7831

[CF1588F] Jumping Through the Array

不妨认为 \(n,q\) 同阶。 考虑根号重构。如果没有第 3 种操作的话,我们每 \(\mathcal O(\sqrt n)\) 操作整体更新一次,每个询问只需要考虑块内的修改所在置换环上有多少 \([l,r]\) 内的数。这个是容易 \(\mathcal O(n\sqrt n)\) 做的。 然后 ......
Jumping Through 1588F Array 1588

PSO Solve N-Queen Problem

title: PSO Solve N-Queen Problem layout: page categories: data analysis PSO Solve 16-Queen Problem The N-Queens problem is a classic problem in the fi ......
N-Queen Problem Solve Queen PSO

CF1583G Omkar and Time Travel

CF1583G Omkar and Time Travel 想清楚了就不难。 首先我们考察一下性质,一次 time leap 之后只有包含于 \((a_i, b_i)\) 的区间会被重置,考虑这样一件事情:设 \(f_{l,r}\) 表示从 \(l\) 左边走到 \(r\) 右边的 time lea ......
Travel 1583G Omkar 1583 Time

A Tour Through TREE_RCU's Expedited Grace Periods (翻译)

原文:https://www.kernel.org/doc/html/latest/RCU/Design/Expedited-Grace-Periods/Expedited-Grace-Periods.html A Tour Through TREE_RCU's Expedited Grace Pe ......
Expedited TREE_RCU Through Periods Grace

CF587E Duff as a Queen

维护序列,支持: 区间异或 查询区间子集异或值种数(包含空集) \(n\le 2\times 10^5\),\(1\le q\le 4\times 10^4\),值域 \([1,10^9]\),TL=7s. 经典题。 操作 2 相当于查询区间线性基大小。 由于不能维护区间异或,作差分 \(b_i=a ......
Queen 587E Duff 587 CF

A Tour Through TREE_RCU's Grace-Period Memory Ordering (翻译)

原文: https://docs.kernel.org/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html August 8, 2017 This article was contributed by Paul E. McKenney I ......

A Tour Through TREE_RCU's Data Structures (翻译)

原文:https://www.kernel.org/doc/html/latest/RCU/Design/Data-Structures/Data-Structures.html December 18, 2016 This article was contributed by Paul E. Mc ......
Structures TREE_RCU Through Tour TREE

Can't connect to local MySQL server through socket '/tmp/mysql.sock'

Can't connect to local MySQL server through socket '/tmp/mysql.sock' 删除配置文件后重启 service mysql restart root 31619 1 0 14:06 ? 00:00:00 /bin/sh /home/mys ......
39 connect through server socket

E. Time Travel

E. Time Travel Berland is a country with ancient history, where roads were built and destroyed for centuries. It is known that there always were $n$ c ......
Travel Time

CF1887B Time Travel

早到可以选择停留在原地,所以我们一定会尽早地到达每一个节点,这样一定不劣。 考虑若我们最早可以在 \(t_u\) 时刻到达节点 \(u\),则对于边 \((u,v)\),我们一定会在它最早的解锁时刻由 \(u\) 向 \(v\) 扩展。实现时可以使用 dijkstra,并对每张图的出现时刻用 set ......
Travel 1887B 1887 Time CF

题解:【CF1888E】 Time Travel

题目链接 刚从 modinte 那里学到的广义 dijkstra。注意到一定不会有路径形如 \(x \to y \to x\),这样等价于 \(x\) 在原地等上两个时刻,我们记 \(d_i\) 表示到达 \(i\) 节点需要的最少时间。建图,边权为当前这一条边在哪一个历史时刻。然后用一个 set ......
题解 Travel 1888E 1888 Time

Internet-augmented language models through few-shot prompting for open-domain question answering阅读笔记

Internet-augmented language models through few-shot prompting for open-domain question answering 其实我没怎么正经读过论文,尤其是带实验的,我目前认真读过的(大部头)也就是一些LLM的综述。记录这个文档主 ......

CF1868C Travel Plan 题解

原题 翻译 发现所有长度相同的简单路径的权值可能情况相同,且最长的简单路径长度为 \(O(\log n)\) 级别,考虑维护所有长度的简单路径在一棵树上出现的次数,每种简单路径的权值在所有树上出现的次数,相乘即使答案。 我们考虑长度为 \(x\) 的路径对答案的贡献,考虑枚举这条路径的贡献 \(k\ ......
题解 Travel 1868C 1868 Plan

Go - Serving Through HTTPS

Problem: You want to serve your web application through HTTPS. Solution: Use the http.ListenAndServeTLS function to serve your web application through ......
Serving Through HTTPS Go

Triangle Graph Interest Network for Click-through Rate Prediction

目录概TGINMotivation: Triangle 的重要性Model代码 Jiang W., Jiao Y., Wang Q., Liang C., Guo L., Zhang Y., Sun Z., Xiong Y. and Zhu Y. Triangle graph interest ne ......