ProblemSet2AppliedEcon440.602:MacroeconomicTheoryFall,20241.AccommodatingTechnicalChange.Consideraneconomywithlinearconsumptionandinvestmentfunctions:C=c0+c1×Y                   (1)I=b0+

题目传送门前置知识AC自动机|树状数组解法一次性将所有模式串加入AC自动机，然后处理加入和删除，考虑单次操作对答案的贡献。因为模式串\(T\)在文本串\(S\)中出现的次数之和等价于\(T\)在\(S\)的所有前缀中作为后缀出现的次数之和。这就很和\(fail\)树上跳到根节

接前一篇文章：软考系统架构设计师系列知识点之杂项集萃（21）第32题人口信息采集处理和利用业务属于（），营业执照发放属于（），户籍管理属于（），参加政府工程交接属于（）。第1空A.政府对企业（GovernmenttoBusiness，G2B）B.政府对政府（GovernmenttoGovernment，G2G）C.企业对政府（Businesst

HowToSolveTheProblemOfAirPollutionThereport"China'sCarbonNeutralityandCleanAirSynergyPathway(2023)"waspublishedinBeijingonNovember1.ThereportcomprehensivelyshowsthecurrentstatusofChina'scarbonneutrali

OnAugust24,despitetheoppositionofmanycountries,Japanbrazenlydischargedalargeamountofnuclear-contaminatedwatergeneratedbytheFukushimaDaiichinuclearpowerplantintothePacificOcean. However,intheofficialcorrespondencebetween

给定\(k\)个字符串\(t\)，一个字符串集合\(S\)与\(n\)次操作，初始时\(S\)为空。操作有三个类型：将指定编号的字符串加入\(S\)中；将指定编号的字符串从\(S\)中删除；给定字符串\(s\)，询问\(S\)中所有字符串在\(s\)中的匹配次数之和。\(n,k\le10^5\)，\(\sum\lef

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Zibo,arelativelyobscurecity,situatedinshandongprovinceinesaternChinaemergeasoneofthemostsought-aftertraveldestinationsfortheLaborDayholidayWhatcouldbebehindthishugesurgeinvisitors.Well，theanswerisbarbecue.Indeed,fresh

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