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设二叉树的根为第一层，则第i层上的结点数最多有（）。
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一棵二叉树第六层根结点为第一层的结点数最多为【】个
一棵二叉树第六层根结点为第一层的结点数最多为______
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NAC’sNetworkAccessControlroleistorestrictnetworkaccesstoonlycompliantendpointsand81users.HoweverNACisnotacompleteLAN82solution;additionalproactiveand83securitymeasuresmustbeimplemented.NevisisthefirstandonlycomprehensiveLANsecuritysolutionthatcombinesdeepsecurityprocessingofeverypacketat100Gbpsensuringahighlevelofsecurityplusapplicationavailabilityandperformance.NevisintegratesNACasthefirstlineofLANsecurity84InadditiontoNACenterprisesneedtoimplementrole-basednetworkaccesscontrolaswellascriticalproactivesecuritymeasures-real-timemultilevel85inspectionandmicrosecondthreatcontainment.
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodernsoftwaredevelopment.Thenotionsof91andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive92whichisconcludedwithawell-defined93andcanbefurtherbrokendowninto94-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup95logicallybynature.
ItshouldgowithoutsayingthatthefocusofUMLismodeling.Howeverwhatthatmeansexactlycanbeanopen-endedquestion.101isameanstocaptureideasrelationshipsdecisionsandrequirementsinawell-definednotationthatcanbeappliedtomanydifferentdomains.ModelingnotonlymeansdifferentthingstodifferentpeoplebutalsoitcanusedifferentpiecesofUMLdependingonwhatyouaretryingtoconvey.IngeneralaUMLmodelismadeupofoneormore102.Adiagramgraphicallyrepresentsthingsandtherelationshipsbetweenthesethings.These103canberepresentationsofreal-worldobjectspuresoftwareconstructsoradescriptionofthebehaviorofsomeotherobjects.Itiscommonforanindividualthingtoshowuponmultiplediagrams;eachdiagramrepresentsaparticularinterestorviewofthethingbeingmodeled.UML2.0dividesdiagramsintotwocategories:structuraldiagramsandbehavioraldiagrams.104areusedtocapturethephysicalorganizationofthethingsinyoursystemi.e.howoneobjectrelatestoanother.105focusonthebehaviorofelementsinasystem.Forexampleyoucanusebehavioraldiagramstocapturerequirementsoperationsandinternalstatechangesforelements.
WebSQLisaSQL-like76languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb77makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherailthefinksina78allthepagesthatcanbereachedfromagivenURLthrough79thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon80Interface.
Object-orientedanalysisOOAisasemiformalspecificationtechniquefortheobject-orientedparadigm.Object-orientedanalysisconsistsofthreesteps.Thefirststepis96.Itdetermineshowthevariousresultsarecomputedbytheproductandpresentsthisinformationintheformofa97andassociatedscenarios.Thesecondis98whichdeterminestheclassesandtheirattributesthendeterminestheinterrelationshipsandinteractionamongtheclasses.Thelaststepis99whichdeterminestheactionsperformedbyortoeachclassorsubclassandpresentsthisinformationintheformof100
ItshouldgowithoutsayingthatthefocusofUMLismodeling.Howeverwhatthatmeansexactlycanbeanopen-endedquestion.101isameanstocaptureideasrelationshipsdecisionsandrequirementsinawell-definednotationthatcanbeappliedtomanydifferentdomains.ModelingnotonlymeansdifferentthingstodifferentpeoplebutalsoitcanusedifferentpiecesofUMLdependingonwhatyouaretryingtoconvey.IngeneralaUMLmodelismadeupofoneormore102.Adiagramgraphicallyrepresentsthingsandtherelationshipsbetweenthesethings.These103canberepresentationsofreal-worldobjectspuresoftwareconstructsoradescriptionofthebehaviorofsomeotherobjects.Itiscommonforanindividualthingtoshowuponmultiplediagrams;eachdiagramrepresentsaparticularinterestorviewofthethingbeingmodeled.UML2.0dividesdiagramsintotwocategories:structuraldiagramsandbehavioraldiagrams.104areusedtocapturethephysicalorganizationofthethingsinyoursystemi.e.howoneobjectrelatestoanother.105focusonthebehaviorofelementsinasystem.Forexampleyoucanusebehavioraldiagramstocapturerequirementsoperationsandinternalstatechangesforelements.
FornearlytenyearstheUnifiedModelingLanguageUMLhasbeentheindustrystandardforvisualizingspecifyingconstructinganddocumentingthe106ofasoftware-intensivesystem.Asthe107standardmodelinglanguagetheUMLfacilitatescommunicationandreducesconfusionamongproject108TherecentstandardizationofUML2.0hasfurtherextendedthelanguage’sscopeandviability.Itsinherentexpressivenessallowsusersto109everythingfromenterpriseinformationsystemsanddistributedWeb-basedapplicationstoreal-timeembeddedsystems.TheUMLisnotlimitedtomodelingsoftware.Infactitisexpressiveenoughtomodel110systemssuchasworkflowinthelegalsystemthestructureandbehaviorofapatienthealthcaresystemsoftwareengineeringinaircraftcombatsystemsandthedesignofhardware.TounderstandtheUMLyouneedtoformaconceptualmodelofthelanguageandthisrequireslearningthreemajorelements:theUML’sbasicbuildingblockstherulesthatdictatehowthosebuildingblocksmaybeputtogetherandsomecommonmechanismsthatapplythroughouttheUML.
Object-orientedanalysisOOAisasemiformalspecificationtechniquefortheobject-orientedparadigm.Object-orientedanalysisconsistsofthreesteps.Thefirststepis96.Itdetermineshowthevariousresultsarecomputedbytheproductandpresentsthisinformationintheformofa97andassociatedscenarios.Thesecondis98whichdeterminestheclassesandtheirattributesthendeterminestheinterrelationshipsandinteractionamongtheclasses.Thelaststepis99whichdeterminestheactionsperformedbyortoeachclassorsubclassandpresentsthisinformationintheformof100
FornearlytenyearstheUnifiedModelingLanguageUMLhasbeentheindustrystandardforvisualizingspecifyingconstructinganddocumentingthe106ofasoftware-intensivesystem.Asthe107standardmodelinglanguagetheUMLfacilitatescommunicationandreducesconfusionamongproject108TherecentstandardizationofUML2.0hasfurtherextendedthelanguage’sscopeandviability.Itsinherentexpressivenessallowsusersto109everythingfromenterpriseinformationsystemsanddistributedWeb-basedapplicationstoreal-timeembeddedsystems.TheUMLisnotlimitedtomodelingsoftware.Infactitisexpressiveenoughtomodel110systemssuchasworkflowinthelegalsystemthestructureandbehaviorofapatienthealthcaresystemsoftwareengineeringinaircraftcombatsystemsandthedesignofhardware.TounderstandtheUMLyouneedtoformaconceptualmodelofthelanguageandthisrequireslearningthreemajorelements:theUML’sbasicbuildingblockstherulesthatdictatehowthosebuildingblocksmaybeputtogetherandsomecommonmechanismsthatapplythroughouttheUML.
Whyis111funWhatdelightsmayitspractitiopectashisrewardFirstisthesheerjoyofmakingthings.Asthechilddelightsinhismudpiesotheadultenjoysbuildingthingsespeciallythingsofhisowndesign.Secondisthepleasureofmakingthingsthatareusefultootherpeople.Thirdisthefascinationoffashioningcomplexpuzzle-likeobjectsofinterlockingmovingpartsandwatchingthemworkinsubtlecyclesplayingouttheconsequencesofprinciplesbuiltinfromthebeginning.Fourthisthejoyofalwayslearningwhichspringsfromthe112natureofthetask.Inonewayoranothertheproblemisevernewanditssolverlearnssomething:sometimes113sometimestheoreticalandsometimesboth.Finallythereisthedelightofworkinginsuchatractablemedium.The114likethepoetworksonlyslightlyremovedfrompurethought-stuff.Fewmediaofcreationaresoflexiblesoeasytopolishandreworksoreadilycapableofrealizinggrandconceptualstructures.Yettheprogram115unlikethepoet’swordsisrealinthesensethatitmovesandworksproducingvisibleoutputsseparatefromtheconstructitself.Itprintsresultsdrawspicturesproducessoundsmovesarms.Programmingthenisfunbecauseitgratifiescreativelongingsbuiltdeepwithinusanddelightssensibilitieswehaveincommonwithallmen.
WebSQLisaSQL-like76languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb77makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherailthefinksina78allthepagesthatcanbereachedfromagivenURLthrough79thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon80Interface.
Whyis111funWhatdelightsmayitspractitiopectashisrewardFirstisthesheerjoyofmakingthings.Asthechilddelightsinhismudpiesotheadultenjoysbuildingthingsespeciallythingsofhisowndesign.Secondisthepleasureofmakingthingsthatareusefultootherpeople.Thirdisthefascinationoffashioningcomplexpuzzle-likeobjectsofinterlockingmovingpartsandwatchingthemworkinsubtlecyclesplayingouttheconsequencesofprinciplesbuiltinfromthebeginning.Fourthisthejoyofalwayslearningwhichspringsfromthe112natureofthetask.Inonewayoranothertheproblemisevernewanditssolverlearnssomething:sometimes113sometimestheoreticalandsometimesboth.Finallythereisthedelightofworkinginsuchatractablemedium.The114likethepoetworksonlyslightlyremovedfrompurethought-stuff.Fewmediaofcreationaresoflexiblesoeasytopolishandreworksoreadilycapableofrealizinggrandconceptualstructures.Yettheprogram115unlikethepoet’swordsisrealinthesensethatitmovesandworksproducingvisibleoutputsseparatefromtheconstructitself.Itprintsresultsdrawspicturesproducessoundsmovesarms.Programmingthenisfunbecauseitgratifiescreativelongingsbuiltdeepwithinusanddelightssensibilitieswehaveincommonwithallmen.
NAC’sNetworkAccessControlroleistorestrictnetworkaccesstoonlycompliantendpointsand81users.HoweverNACisnotacompleteLAN82solution;additionalproactiveand83securitymeasuresmustbeimplemented.NevisisthefirstandonlycomprehensiveLANsecuritysolutionthatcombinesdeepsecurityprocessingofeverypacketat100Gbpsensuringahighlevelofsecurityplusapplicationavailabilityandperformance.NevisintegratesNACasthefirstlineofLANsecurity84InadditiontoNACenterprisesneedtoimplementrole-basednetworkaccesscontrolaswellascriticalproactivesecuritymeasures-real-timemultilevel85inspectionandmicrosecondthreatcontainment.
Ravilikemanyproject126hadstudiedthewaterfallmodelofsoftwaredevelopmentastheprimarysoftwarelife-cycle127.Hewasallsettouseitforanupcomingprojecthisfirstassignment.HoweverRavifoundthatthewaterfallmodelcouldnotbeusedbecausethecustomerwantedthesoftwaredeliveredinstagessomethingthatimpliedthatthesystemhadtobedeliveredandbuiltin128andnotas129.Thesituationinmanyotherprojectsisnotverydifferent.Therealworldrarelypresentsaprobleminwhichastandardprocessortheprocessusedinapreviousprojectisthebestchoice.Tobethemostsuitableanexistingprocessmustbe130tothenewproblem.Adevelopmentprocessevenaftertailoringgenerallycannothandlechangerequests.Toaccommodatechangerequestswithoutlosingcontroloftheprojectyoumustsupplementthedevelopmentprocesswitharequirementchangemanagementprocess.
Peopleareindulginginanillusionwhenevertheyfindthemselvesexplainingatacocktail鸡尾酒partysaythattheareincomputersorintelecommunicationsorinelectronicfundstransfer.Theimplicationisthattheyarepartofthehigh-techworld.Justbetweenustheyusuallyaren’t.Theresearcherswhomadefundamentalbreakthroughsinthoseareasareinahigh-techbusiness.Therestofusare121oftheirwork.Weusecomputersandothernewtechnologycomponentstodevelopourproductsortoorganizeouraffairs.Becausewegoaboutthisworkinteamsandprojectsandothertightlyknitworkinggroup紧密联系在一起的工作小组wearemostlyinthehumancommunicationbusiness.Oursuccessesstemfromgoodhumaninteractionsbyallparticipantsintheeffortandourfailuresstemfrompoorhumaninteractions.Themainreasonwetendtofocusonthe122ratherthanthehumansideofworkisnotbecauseit’smore123butbecauseit’seasiertodo.GettingthenewdiskdriveinstalledispositivelytrivialcomparedtofigurineoutwhyHoraceisinabluefunk恐惧orwhySusanisdissatisfiedwiththecompanyaveronlyafewmonths.Humaninteractionsarecomplicatedandneververycrisp干脆的干净利落的andcleanintheireffectsbuttheymattermorethananyotheraspectofthework.Ifyoufindyourselfconcentratingonthe124ratherthanthe125.you’relikethevaudevillecharacter杂耍人物wholoseshisKeysonadarkstreetandlooksforthemontheadjacentstreetbecauseasheexplainsThelightisbetterthere!/
阅读下列函数说明和C代码将应填入n处的字句写在对应栏内 [说明] 函数intToplogicalLinkedWDigraphG的功能是对图G中的顶点进行拓扑排序并返回关键路径的长度其中图G表示一个具有n个顶点的AOE网图中顶点从1～n依次编号图G的存储结构采用邻接表表示其数据类型定义如下 typedefstructGnode/*邻接表的表结点类型*/ intadjvex/*邻接顶点编号*/ intweight/*弧上的权值*/ structGnode*nextarc/*指示下一个弧的结点*/ Gnode typedefstructAdjlist/*邻接表的头结点类型*/ charvdata/*顶点的数据信息*/ structGnode*Firstadj/*指向邻接表的第一个表结点*/ Adjulist typedefstructLinkedWDigraph/*图的类型*/ intne/*图中顶点个数和边数*/ structAdjlist*head/*指向图中第一个顶点的邻接表的头结点*/ LinkedWDigraph 例如某AOE网如图21-1所示其邻接表存储结构如图21-2所示 [本题函数] intToplogicalLinkedWDigraphG Gnode*p intjWtop=0 int*Stack*ve*indegree ve=int*mallocG.n+1*sizeofint indegree=int*maZZocG.n+1*sizeofint/*存储网中各顶点的入度*/ Stack=int*mallocG.n+1*sizeofint/*存储入度为0的顶点的编号*/ if!ve||!indegree||!Stackexit0 forj=1j＜=G.nj++ ve[j]=0indegree[j]=0 /*for*/ forj=1j＜=G.nj++/*求网中各顶点的入度*/ p=G.head[j].Firstadj whilep 1p=p-＞nextarc /*while*/ /*for*/ forj=1j＜=G.nj++/*求网中入度为0的顶点并保存其编号*/ if!indegree[j]stack[++top]=j whiletop＞0 w=2 printf"%c"G.head[w].vdata p=G.head[w].Firstadj whilep 3 if!indegree[p-＞adjvex] Stack[++top]=p-＞adjvex if4 ve[p-＞adjvex]=ve[w]+p-＞weight p=p-＞nextarc /*while*/ /*while*/ return5 /*Toplogical*/ 1处填
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodernsoftwaredevelopment.Thenotionsof91andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive92whichisconcludedwithawell-defined93andcanbefurtherbrokendowninto94-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup95logicallybynature.
ItshouldgowithoutsayingthatthefocusofUMLismodeling.Howeverwhatthatmeansexactlycanbeanopen-endedquestion.101isameanstocaptureideasrelationshipsdecisionsandrequirementsinawell-definednotationthatcanbeappliedtomanydifferentdomains.ModelingnotonlymeansdifferentthingstodifferentpeoplebutalsoitcanusedifferentpiecesofUMLdependingonwhatyouaretryingtoconvey.IngeneralaUMLmodelismadeupofoneormore102.Adiagramgraphicallyrepresentsthingsandtherelationshipsbetweenthesethings.These103canberepresentationsofreal-worldobjectspuresoftwareconstructsoradescriptionofthebehaviorofsomeotherobjects.Itiscommonforanindividualthingtoshowuponmultiplediagrams;eachdiagramrepresentsaparticularinterestorviewofthethingbeingmodeled.UML2.0dividesdiagramsintotwocategories:structuraldiagramsandbehavioraldiagrams.104areusedtocapturethephysicalorganizationofthethingsinyoursystemi.e.howoneobjectrelatestoanother.105focusonthebehaviorofelementsinasystem.Forexampleyoucanusebehavioraldiagramstocapturerequirementsoperationsandinternalstatechangesforelements.
Observethatfortheprogrammerasforthecheftheurgencyofthepatron顾客maygovernthescheduledcompletionofthetaskbutitcannotgoverntheactualcompletion.Anomelette煎鸡蛋promisedintwominutesmayappeartobeprogressingnicely.Butwhenithasnotsetintwominutesthecustomerhastwochoices--waitsoreatsitraw.Softwarecustomershavehad116choices.NowIdonotthinksoftware117havelessinherentcourageandfirmnessthanchefsnorthanotherengineeringmanagers.Butfalse118tomatchthepatron’sdesireddateismuchmorecommoninourdisciplinethanelsewhereinengineering.Itisvery119tomakeavigorousplausibleandjobriskingdefenseofanestimatethatisderivedbynoquantitativemethodsupportedbylittledataandcertifiedchieflybythehunchesofthemanagers.Clearlytwosolutionsareneeded.Weneedtodevelopandpublicizeproductivityfiguresbug-incidencefiguresestimatingrulesandsoon.Thewholeprofessioncanonlyprofitfrom120suchdata.Untilestimatingisonasounderbasisindividualmanagerswillneedtostiffentheirbackbonesanddefendtheirestimateswiththeassurancethattheirpoorhunchesarebetterthanwishderivedestimates.
Observethatfortheprogrammerasforthecheftheurgencyofthepatron顾客maygovernthescheduledcompletionofthetaskbutitcannotgoverntheactualcompletion.Anomelette煎鸡蛋promisedintwominutesmayappeartobeprogressingnicely.Butwhenithasnotsetintwominutesthecustomerhastwochoices--waitsoreatsitraw.Softwarecustomershavehad116choices.NowIdonotthinksoftware117havelessinherentcourageandfirmnessthanchefsnorthanotherengineeringmanagers.Butfalse118tomatchthepatron’sdesireddateismuchmorecommoninourdisciplinethanelsewhereinengineering.Itisvery119tomakeavigorousplausibleandjobriskingdefenseofanestimatethatisderivedbynoquantitativemethodsupportedbylittledataandcertifiedchieflybythehunchesofthemanagers.Clearlytwosolutionsareneeded.Weneedtodevelopandpublicizeproductivityfiguresbug-incidencefiguresestimatingrulesandsoon.Thewholeprofessioncanonlyprofitfrom120suchdata.Untilestimatingisonasounderbasisindividualmanagerswillneedtostiffentheirbackbonesanddefendtheirestimateswiththeassurancethattheirpoorhunchesarebetterthanwishderivedestimates.
Whyis111funWhatdelightsmayitspractitiopectashisrewardFirstisthesheerjoyofmakingthings.Asthechilddelightsinhismudpiesotheadultenjoysbuildingthingsespeciallythingsofhisowndesign.Secondisthepleasureofmakingthingsthatareusefultootherpeople.Thirdisthefascinationoffashioningcomplexpuzzle-likeobjectsofinterlockingmovingpartsandwatchingthemworkinsubtlecyclesplayingouttheconsequencesofprinciplesbuiltinfromthebeginning.Fourthisthejoyofalwayslearningwhichspringsfromthe112natureofthetask.Inonewayoranothertheproblemisevernewanditssolverlearnssomething:sometimes113sometimestheoreticalandsometimesboth.Finallythereisthedelightofworkinginsuchatractablemedium.The114likethepoetworksonlyslightlyremovedfrompurethought-stuff.Fewmediaofcreationaresoflexiblesoeasytopolishandreworksoreadilycapableofrealizinggrandconceptualstructures.Yettheprogram115unlikethepoet’swordsisrealinthesensethatitmovesandworksproducingvisibleoutputsseparatefromtheconstructitself.Itprintsresultsdrawspicturesproducessoundsmovesarms.Programmingthenisfunbecauseitgratifiescreativelongingsbuiltdeepwithinusanddelightssensibilitieswehaveincommonwithallmen.
Ravilikemanyproject126hadstudiedthewaterfallmodelofsoftwaredevelopmentastheprimarysoftwarelife-cycle127.Hewasallsettouseitforanupcomingprojecthisfirstassignment.HoweverRavifoundthatthewaterfallmodelcouldnotbeusedbecausethecustomerwantedthesoftwaredeliveredinstagessomethingthatimpliedthatthesystemhadtobedeliveredandbuiltin128andnotas129.Thesituationinmanyotherprojectsisnotverydifferent.Therealworldrarelypresentsaprobleminwhichastandardprocessortheprocessusedinapreviousprojectisthebestchoice.Tobethemostsuitableanexistingprocessmustbe130tothenewproblem.Adevelopmentprocessevenaftertailoringgenerallycannothandlechangerequests.Toaccommodatechangerequestswithoutlosingcontroloftheprojectyoumustsupplementthedevelopmentprocesswitharequirementchangemanagementprocess.
NAC’sNetworkAccessControlroleistorestrictnetworkaccesstoonlycompliantendpointsand81users.HoweverNACisnotacompleteLAN82solution;additionalproactiveand83securitymeasuresmustbeimplemented.NevisisthefirstandonlycomprehensiveLANsecuritysolutionthatcombinesdeepsecurityprocessingofeverypacketat100Gbpsensuringahighlevelofsecurityplusapplicationavailabilityandperformance.NevisintegratesNACasthefirstlineofLANsecurity84InadditiontoNACenterprisesneedtoimplementrole-basednetworkaccesscontrolaswellascriticalproactivesecuritymeasures-real-timemultilevel85inspectionandmicrosecondthreatcontainment.
阅读下列函数说明和C代码将应填入n处的字句写在对应栏内 [说明] 函数intToplogicalLinkedWDigraphG的功能是对图G中的顶点进行拓扑排序并返回关键路径的长度其中图G表示一个具有n个顶点的AOE网图中顶点从1～n依次编号图G的存储结构采用邻接表表示其数据类型定义如下 typedefstructGnode/*邻接表的表结点类型*/ intadjvex/*邻接顶点编号*/ intweight/*弧上的权值*/ structGnode*nextarc/*指示下一个弧的结点*/ Gnode typedefstructAdjlist/*邻接表的头结点类型*/ charvdata/*顶点的数据信息*/ structGnode*Firstadj/*指向邻接表的第一个表结点*/ Adjulist typedefstructLinkedWDigraph/*图的类型*/ intne/*图中顶点个数和边数*/ structAdjlist*head/*指向图中第一个顶点的邻接表的头结点*/ LinkedWDigraph 例如某AOE网如图21-1所示其邻接表存储结构如图21-2所示 [本题函数] intToplogicalLinkedWDigraphG Gnode*p intjWtop=0 int*Stack*ve*indegree ve=int*mallocG.n+1*sizeofint indegree=int*maZZocG.n+1*sizeofint/*存储网中各顶点的入度*/ Stack=int*mallocG.n+1*sizeofint/*存储入度为0的顶点的编号*/ if!ve||!indegree||!Stackexit0 forj=1j＜=G.nj++ ve[j]=0indegree[j]=0 /*for*/ forj=1j＜=G.nj++/*求网中各顶点的入度*/ p=G.head[j].Firstadj whilep 1p=p-＞nextarc /*while*/ /*for*/ forj=1j＜=G.nj++/*求网中入度为0的顶点并保存其编号*/ if!indegree[j]stack[++top]=j whiletop＞0 w=2 printf"%c"G.head[w].vdata p=G.head[w].Firstadj whilep 3 if!indegree[p-＞adjvex] Stack[++top]=p-＞adjvex if4 ve[p-＞adjvex]=ve[w]+p-＞weight p=p-＞nextarc /*while*/ /*while*/ return5 /*Toplogical*/ 3处填
VirtualizationisanapproachtoITthatpoolsandshares86sothatutilizationisoptimizedandsuppliesautomaticallymeetdemand.TraditionalITenvironmentsareoftensiloswherebothtechnologyandhuman87.arealignedaroundanapplicationorbusinessfunction.Withavirtualized88peopleprocessesandtechnologyarefocusedonmeetingservicelevels89isallocateddynamicallyresourcesareoptimizedandtheentireinfrastructureissimplifiedandflexible.Weofferabroadspectrumofvirtualization90thatallowscustomerstochoosethemostappropriatepathandoptimizationfocusfortheirITinfrastructureresources.
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodernsoftwaredevelopment.Thenotionsof91andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive92whichisconcludedwithawell-defined93andcanbefurtherbrokendowninto94-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup95logicallybynature.
Peopleareindulginginanillusionwhenevertheyfindthemselvesexplainingatacocktail鸡尾酒partysaythattheareincomputersorintelecommunicationsorinelectronicfundstransfer.Theimplicationisthattheyarepartofthehigh-techworld.Justbetweenustheyusuallyaren’t.Theresearcherswhomadefundamentalbreakthroughsinthoseareasareinahigh-techbusiness.Therestofusare121oftheirwork.Weusecomputersandothernewtechnologycomponentstodevelopourproductsortoorganizeouraffairs.Becausewegoaboutthisworkinteamsandprojectsandothertightlyknitworkinggroup紧密联系在一起的工作小组wearemostlyinthehumancommunicationbusiness.Oursuccessesstemfromgoodhumaninteractionsbyallparticipantsintheeffortandourfailuresstemfrompoorhumaninteractions.Themainreasonwetendtofocusonthe122ratherthanthehumansideofworkisnotbecauseit’smore123butbecauseit’seasiertodo.GettingthenewdiskdriveinstalledispositivelytrivialcomparedtofigurineoutwhyHoraceisinabluefunk恐惧orwhySusanisdissatisfiedwiththecompanyaveronlyafewmonths.Humaninteractionsarecomplicatedandneververycrisp干脆的干净利落的andcleanintheireffectsbuttheymattermorethananyotheraspectofthework.Ifyoufindyourselfconcentratingonthe124ratherthanthe125.you’relikethevaudevillecharacter杂耍人物wholoseshisKeysonadarkstreetandlooksforthemontheadjacentstreetbecauseasheexplainsThelightisbetterthere!/
VirtualizationisanapproachtoITthatpoolsandshares86sothatutilizationisoptimizedandsuppliesautomaticallymeetdemand.TraditionalITenvironmentsareoftensiloswherebothtechnologyandhuman87.arealignedaroundanapplicationorbusinessfunction.Withavirtualized88peopleprocessesandtechnologyarefocusedonmeetingservicelevels89isallocateddynamicallyresourcesareoptimizedandtheentireinfrastructureissimplifiedandflexible.Weofferabroadspectrumofvirtualization90thatallowscustomerstochoosethemostappropriatepathandoptimizationfocusfortheirITinfrastructureresources.
OriginallyintroducedbyNetscapeCommunications71areageneralmechanismwhichHTTPServersideapplicationssuchasCGI72canusetobothstoreandretrieveinformationontheHTTP73sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe74natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based75
Peopleareindulginginanillusionwhenevertheyfindthemselvesexplainingatacocktail鸡尾酒partysaythattheareincomputersorintelecommunicationsorinelectronicfundstransfer.Theimplicationisthattheyarepartofthehigh-techworld.Justbetweenustheyusuallyaren’t.Theresearcherswhomadefundamentalbreakthroughsinthoseareasareinahigh-techbusiness.Therestofusare121oftheirwork.Weusecomputersandothernewtechnologycomponentstodevelopourproductsortoorganizeouraffairs.Becausewegoaboutthisworkinteamsandprojectsandothertightlyknitworkinggroup紧密联系在一起的工作小组wearemostlyinthehumancommunicationbusiness.Oursuccessesstemfromgoodhumaninteractionsbyallparticipantsintheeffortandourfailuresstemfrompoorhumaninteractions.Themainreasonwetendtofocusonthe122ratherthanthehumansideofworkisnotbecauseit’smore123butbecauseit’seasiertodo.GettingthenewdiskdriveinstalledispositivelytrivialcomparedtofigurineoutwhyHoraceisinabluefunk恐惧orwhySusanisdissatisfiedwiththecompanyaveronlyafewmonths.Humaninteractionsarecomplicatedandneververycrisp干脆的干净利落的andcleanintheireffectsbuttheymattermorethananyotheraspectofthework.Ifyoufindyourselfconcentratingonthe124ratherthanthe125.you’relikethevaudevillecharacter杂耍人物wholoseshisKeysonadarkstreetandlooksforthemontheadjacentstreetbecauseasheexplainsThelightisbetterthere!/
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