CSCI114 week3 Color.pdf

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1、CSCI114ProceduralProgrammingWeek3–LecturesC++Expressions,SimpleInput/OutputandIntroductiontoFunctionsLecturer:JoAbrantesRoom3.212ph:42213872jo_abrantes@uow.edu.auSchoolofComputerScienceandSoftwareEngineeringCSCI114/MCS9114–Spring20118/8/111TopicsCoveredinWeeks1to4WeekTopicsReading

2、Assigns.1IntroductiontocomputerconceptsandprogrammingGaddisCh.1languages.Lect.NotesCh.1Writing,editing,compiling,linkingandexecutingprograms.2Introductiontoalgorithms.GaddisChap.2/3Datatypes,operatorsandexpressions.Lect.NotesCh.1A1outIntroductiontodebugging.3Simpleinput/outputandi

3、ntroductiontofunctions.GaddisChap.3/6Lect.NotesCh.24Controlstructures:ConditionalGaddisChap.4Lect.NotesCh.3A1due8/8/11CSCI1142LecturesOverview!Moreondatatypes,operatorsandexpressions!Relationalandlogicalexpressions!SimpleInput/Output!Introductiontofunctions8/8/113RevisionArithmeti

4、cOperatorsPrecedence!Whenoperatorshavethesamelevelofprecedencetheoperationsareperformedfromlefttoright!Forexample:*and/havethesamelevelthetwosetsofbracketsin3*7+3*5/2((3*5)/2)arenotnecessarysincemultiplicationwillMeans:bedonebeforethe(3*7)+((3*5)/2)division=21+(15/2)=21+7=28August

5、8,2011CSCI1144RevisionQuickQuiz-1Question:Whatistheresultofthefollowingexpressions:7/4%5?24/5?04/5.0?0.89/4*2.5?5.0August8,2011CSCI1145RevisionTheAssignmentOperatorRevisited!Examplesofstatements:score=0.02*1000–3;average=totalScore/numberSubjects;initial='J';Theexpressionontherigh

6、tisevaluatedanditsvalueisassignedtothevariableontheleftAugust8,2011CSCI1146RevisionPracticeExercisefromLastWeekUsingtheconversionformula:1.WriteaC++programtoconvertCelsiusdegreestoFahrenheitdegrees.2.CheckifyourprogramisconvertingfromCelsiustoFahrenheitcorrectly.August8,2011CSCI11

7、47IncrementandDecrementOperatorsintitem;!!Thefragmentofcode:...!item=item+1;!...!!Incrementsthevalueofitemby1!Thesamecanbedonewiththeincrementoperator++!Theincrementoperatorhastwoforms:Pre-increment:++item!Post-increment:item++!August8,2011CSCI1148RevisionIncrementandDecrementOper

8、ators!Forexample:...intcount=4,to