- 2024-11-06Introduction_Optimization Models_Giuseppe C. Calafiore, Laurent El Ghaoui
Balabala我想读完GiuseppeC.Calafiore,LaurentElGhaoui版本的《OptimizationModels》。1.Introduction作者列举了若干个例子,并阐述了优化问题的一般形式,最主要的洞见有:一些具有特定性质的问题是tractable的:Thefocusofthisbookisontractablemodels,andak
- 2024-10-21今日总结
四则运算importjavax.swing.;importjava.awt.;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.io.*;importjava.util.ArrayList;importjava.util.List;importjava.util.Random;abstractclassProblemGenerator{protected
- 2024-10-2010 月20日
周一Java课上留的课后习题代码:importjavax.swing.;importjava.awt.;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.io.*;importjava.util.ArrayList;importjava.util.List;importjava.util.Random;abstractclassProblemGe
- 2024-10-14scientifically practice DP
Iunderstandyourfrustration,andit'sacommonfeelingwhentacklingcomplexproblemslikethis.Findingtheseinsightsoftencomesdowntoacombinationofexperience,practice,andasystematicapproachtoproblem-solving.Here'showyoucan
- 2024-10-11Financial technology security.
Thisbookintroduceaboutthefinancialtechnologysecurityproblemsandithastenchapterstointroducethesecurityproblemsandthevalueofsecurityandsomefearsaboutsecuritypointsandtheapplicationsecurityandsomedataandnetworksecurit
- 2024-10-07abc371E I Hate Sigma Problems
给定长度为N的数组A[i],记f(l,r)表示区间[l,r]内不同A[i]的个数,求所有子区间f(i,j)之和。1<=N<=2E5,1<=A[i]<=N分析:贡献法,为了方便统计,区间中重复的数字以最左边出现的数为准,保证不重不漏。对于A[i],假设其上一次出现的位置为p,那么包含该数字的左端点可以是p+1,p+2,...,i,右端点可
- 2024-09-09题解:CF913D Too Easy Problems
题意给定一场考试,考试会持续\(T\)毫秒,由\(n\)道题目组成,你可以用\(t_i\)毫秒解决第\(i\)个问题,每个问题给定一个整数\(a_i\)。要求你选出一个试题集合\(S\),若该集合大小为\(k\),它应满足\(T\geq\sum_{i\inS}\limitst_i\),你需要最大化\(\sum_{i\inS}\limits[a_i
- 2024-08-2118107 校赛排名
###详细分析为了对参赛选手进行排序,我们需要按照以下规则:1.按照通过题数从高到低排序。2.如果通过题数相同,则按照用时从少到多排序。3.如果通过题数和用时都相同,则按照输入的先后顺序排序。###思路1.读取输入的选手数量`N`。2.读取每个选手的数据(通过题数、用
- 2024-08-17Problems in Mathematical Analysis (American First Edition)
https://www.amazon.com/Problems-Mathematical-Analysis-Boris-Demidovich/dp/B0007BNL1W/ ProblemsinMathematicalAnalysis(AmericanFirstEdition) Reviews:https://www.amazon.com/gp/customer-reviews/R225A0UUURIG9B/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASI
- 2024-08-11Ideas of Problems in Aug. 2024
\(\text{LuoguP1552[APIO2012]派遣}\)前置芝士:可并堆(左偏树)或斜堆或启发式合并。本题题意概括为:给定一颗以\(1\)为根的树,每个点有权值\(L_i\),花费\(C_i\),可以选择一个以某个结点为根的子树,并从其中选出一个点集\(T\)满足\(\sum_{i\inT}C_i\leqM\),那么此次的价
- 2024-07-15problems笔记(^^)
一些遇到的问题及其践而有效的解决方案CSND博客无法访问 解决方案 若是还无法访问
- 2024-07-02文献阅读-Distributed Constrained Combinatorial Optimization leveraging Hypergraph Neural Networks
DistributedConstrainedCombinatorialOptimizationleveragingHypergraphNeuralNetworks AbstractScalableaddressingofhighdimensionalconstrainedcombinatorialoptimizationproblemsisachallengethatarisesinseveralscienceandengineering
- 2024-05-30Chapter 4 Problems
T1证明\(\negA\rightarrowB,\negA\rightarrow\negB\vdashA\)可用定理:\(\vdash(\negA\rightarrowA)\rightarrowA\)Proof\[\begin{aligned}A_1:\quad&\negA\rightarrowB&\in\Gamma\\A_2:\quad&\negA\rightarrow
- 2024-04-25Week 9 Problems
T1用等值演算、构造指派等方式判断公式的永真性(1)\[(\forallxP(x)\rightarrow\existxQ(x))\rightarrow\existx(P(x)\rightarrowQ(x))\](2)\[(\forallxP(x)\rightarrow\forallxQ(x))\rightarrow\forallx(P(x)\rightarrowQ(x))\]T2以下哪一步出现错误?
- 2024-03-28温故而知新-基础课程篇【面试】
温故而知新-基础课程篇【面试】前言推荐数据结构线性表树图查询排序算法题class034链表高频题目和必备技巧【算法】class035数据结构设计高频题【算法】class036二叉树高频题目-上-不含树型dp【算法】class037二叉树高频题目-下-不含树型dp【算法】class038经典递
- 2024-03-26Week 5 Problems
T5判断对错:任意命题合式公式可以等价转化为复杂度不超过二的形式T6(2)今有一命题逻辑合式公式\(F_2\)为\[(P\rightarrowR)\rightarrow((Q\rightarrowR)\rightarrow(P\lorQ)\land\negR)\]根据Week1T1(1)中真值表写出\(F_2\)的主析取范式与主合取范式T7设命题逻辑合
- 2024-03-12Spring MVC——API(5)
SpringMVC——API(5)一、实验目的二、实验用的仪器和材料三、实验的步骤和方法四、备注或说明一、实验目的(1)掌握RestfulAPI的开发方法(2)掌握Controller、Service、VO、BO的概念(3)了解参数合法性检查的方法二、实验用的仪器和材料(1)硬件:PC或Mac一台;8G及以上内存,40G硬盘
- 2024-03-06Week 2 Problems
T1代换式、替换式求代换式\((P\rightarrow(P\rightarrowQ))[P/P\rightarrowR]\)求替换式\((P\lorR\rightarrowP\lorR\landS)[(P\lorR)/(P\landR)]\)已知\(P,Q,R,S\)是命题逻辑合式公式,\(P\)是\(Q\)的子公式,\(R\)不是\(Q\)的子公式,用\(Q^1\equivQ[P/R]\)和「替
- 2024-03-04Offline Reinforcement Learning: Tutorial, Review, and Perspectives on Open Problems
发表时间:2020文章要点:这篇文章主要介绍当前offlineRL的研究进展,可能的问题以及一些解决方法。作者先介绍了强化学习的准备知识,比如policygradients,Approximatedynamicprogramming,Actor-criticalgorithms,Model-basedreinforcementlearning,这里不具体说了。接着开始说offl
- 2024-03-01Week 1 Problems
T1今有一逻辑表达式\(F_0\)为:\[(p\rightarrowr)\rightarrow((q\rightarrowr)\rightarrow(p\lorq)\land\negr)\]其中的联结词运算优先级与命题逻辑合式公式完全相同。观察\(F_0\)的形式,完成以下两个题目(1)补全真值表pqr\(p\rightarrowr\)\(q\rightarrowr\)
- 2024-02-15「题解」ARC139F Many Xor Optimization Problems
考虑线性空间的标准基底(即每个主元都只有对应向量有值),答案为所有基底异或和。对于一个秩\(k\)计算它对答案的贡献。固定主元为\(a_1<a_2<\cdots<a_k\),各种情况应该是等概率,也就是对第\(i\)个基底来说,\(a_i\)位一定为\(1\),再往下的位除了在\(a\)出现过的以外的位0/1是
- 2024-02-13Go 100 mistakes - #10: Not being aware of the possible problems with type embedding
Becausethemutexisembedded,wecandirectlyaccesstheLockandUnlockmethods fromtheireceiver.Wementionedthatsuchanexampleisawrongusageoftypeembedding.What’s thereasonforthis?Sincesync.Mutexisanembeddedtype,theLockand
- 2024-01-21F - Usual Color Ball Problems
F-UsualColorBallProblemsProblemStatementYouaregivenpositiveintegers$N$,$M$,$K$,andasequenceofpositiveintegersoflength$N$,$(C_1,C_2,\ldots,C_N)$.Foreach$r=0,1,2,\ldots,N-1$,printtheanswertothefollowingproblem.
- 2023-12-22kaggle Open Problems – Single-Cell Perturbations 1st & 2nd place solution summary
Leaderboard:https://www.kaggle.com/competitions/open-problems-single-cell-perturbations/leaderboard2ndSolution:https://www.kaggle.com/competitions/open-problems-single-cell-perturbations/discussion/458738Code:https://github.com/Eliorkalfon/single_ce
- 2023-12-20An Introduction to Bioinformatics Algorithms, Neil C. Jones and Pavel Pevzner, the MIT Press, 2004.
AnIntroductiontoBioinformaticsAlgorithms,NeilC.JonesandPavelPevzner,theMITPress,2004. Thisintroductorytextoffersaclearexpositionofthealgorithmicprinciplesdrivingadvancesinbioinformatics.Accessibletostudentsinbothbiology