数据结构与算法分析 C++版答案.doc

数据结构与算法分析 C++版答案.doc

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1、DataStructuresandAlgorithm习题答案Prefaceii1DataStructuresandAlgorithms12MathematicalPreliminaries53AlgorithmAnalysis174Lists,Stacks,andQueues235BinaryTrees326GeneralTrees407InternalSorting468FileProcessingandExternalSorting549Searching5810Indexing6411Graphs

2、6912ListsandArraysRevisited7613AdvancedTreeStructures82i可编辑word,供参考版!iiContents14AnalysisTechniques8815LimitstoComputation94可编辑word,供参考版!PrefaceContainedhereinarethesolutionstoallexercisesfromthetextbookAPracticalIntroductiontoDataStructuresandAlgorithmA

3、nalysis,2ndedition.FormostoftheproblemsrequiringanalgorithmIhavegivenactualcode.InafewcasesIhavepresentedpseudocode.Pleasebeawarethatthecodepresentedinthismanualhasnotactuallybeencompiledandtested.WhileIbelievethealgorithmstobeessentiallycorrect,theremay

4、beerrorsinsyntaxaswellassemantics.Mostimportantly,thesesolutionsprovideaguidetotheinstructorastotheintendedanswer,ratherthanusableprograms.可编辑word,供参考版!1DataStructuresandAlgorithmsInstructor’snote:Unliketheotherchapters,manyofthequestionsinthischapterare

5、notreallysuitableforgradedwork.Thequestionsaremainlyintendedtogetstudentsthinkingaboutdatastructuresissues.1.1Thisquestiondoesnothaveaspecificrightanswer,providedthestudentkeepstothespiritofthequestion.Studentsmayhavetroublewiththeconceptof“operations.”1

6、.2Thisexerciseasksthestudenttoexpandontheirconceptofanintegerrepresentation.AgoodanswerisdescribedbyProject4.5,whereasingly-linkedlistissuggested.Themoststraightforwardimplementationstoreseachdigitinitsownlistnode,withdigitsstoredinreverseorder.Additiona

7、ndmultiplicationareimplementedbywhatamountstograde-schoolarithmetic.Foraddition,simplymarchdowninparallelthroughthetwolistsrepresentingtheoperands,ateachdigitappendingtoanewlisttheappropriatepartialsumandbringingforwardacarrybitasnecessary.Formultiplicat

8、ion,combinetheadditionfunctionwithanewfunctionthatmultipliesasingledigitbyaninteger.Exponentiationcanbedoneeitherbyrepeatedmultiplication(notreallypractical)orbythetraditionalΘ(logn)-timealgorithmbasedonthebinaryrepresenta

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