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DataStructuresandAlgorithm习题答案Prefaceii
DataStructuresandAlgorithms1
MathematicalPreliminaries5
AlgorithmAnalysis17
Lists,Stacks,andQueues23
BinaryTrees32
GeneralTrees40
InternalSorting46
FileProcessingandExternalSorting549Searching58
Indexing64
Graphs69
ListsandArraysRevisited76
AdvancedTreeStructures82i
iiContents
AnalysisTechniques88
LimitstoComputation94Preface
ContainedhereinarethesolutionstoallexercisesfromthetextbookAPracticalIntroductiontoDataStructuresandAlgorithmAnalysis,2ndedition.
FormostoftheproblemsrequiringanalgorithmIhavegivenactualcode.In
afewcasesIhavepresentedpseudocode.Pleasebeawarethatthecodepresentedinthismanualhasnotactuallybeencompiledandtested.WhileIbelievethealgorithms
tobeessentiallycorrect,theremaybeerrorsinsyntaxaswellassemantics.Mostimportantly,thesesolutionsprovideaguidetotheinstructorastotheintended
answer,ratherthanusableprograms.1
DataStructuresandAlgorithms
Instructor’snote:Unliketheotherchapters,manyofthequestionsinthischapterarenotreallysuitableforgradedwork.Thequestionsaremainlyintendedtogetstudentsthinkingaboutdatastructuresissues.
Thisquestiondoesnothaveaspecificrightanswer,providedthestudent
keepstothespiritofthequestion.Studentsmayhavetroublewiththeconceptof“operations.”
This exercise asks the student to expand on their concept of an integerrepresentation.
AgoodanswerisdescribedbyProject,whereasingly-linked
listissuggested.Themoststraightforwardimplementationstoreseachdigit
in its own list node, with digits stored in reverse order. Addition andmultiplication
areimplementedbywhatamountstograde-schoolarithmetic.For
addition,simplymarchdowninparallelthroughthetwolistsrepresentingtheoperands,ateachdigitappendingtoanewlisttheappropriatepartial
sumandbringingforwardacarrybit
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