1、ProgrammingPrinciples11.2THEGAMEOFLIFEExercises1.2DeterminebyhcalculationwhatwillhappentoeachoftheconfigurationsshowninFigure1.1overthecourseoffivegenerations.[Suggestion:SetuptheLifeconfigurationonacheckerboard.Useoneco

2、lofcheckersflivingcellsinthecurrentgenerationasecondcoltomarkthosethatwillbebndieinthenextgeneration.]Answer(a)Figureremainsstable.(b)(c)(d)Figureisstable.12Chapter1_ProgrammingPrinciples(e)(f)Figurerepeatsitself.(g)(h)(

3、i)Figurerepeatsitself.(j)(k)(l)Figurerepeatsitself.Section1.3_ProgrammingStyle31.3PROGRAMMINGSTYLEExercises1.34Chapter1_ProgrammingPrinciplesE3.Giventhedeclarationsinta[n][n]ijwherenisaconstantdeterminewhatthefollowingst

4、atementdoesrewritethestatementtoaccomplishthesameeffectinalesstrickyway.f(i=0ini..)f(j=0jnj..)a[i][j]=((i.1)(j.1))((j.1)(i.1))AnswerThisstatementinitializesthearrayawithall0’sexceptf1’sdownthemaindiagonal.Alesstrickywayt

5、oaccomplishthisinitializationis:f(i=0ini..)f(j=0jnj..)if(i==j)a[i][j]=1elsea[i][j]=0E4.Rewritethefollowingfunctionsothatitaccomplishesthesameresultinalesstrickyway.voiddoes_something(intsecond=second?firstfirst=second.fi

6、rstAnswerThefunctioninterchangesthevaluesofitsparameters:voidswap(intfirst=secondsecond=tempE5.Determinewhateachofthefollowingfunctionsdoes.Rewriteeachfunctionwithmeaningfulvariablenameswithbetterfmatwithoutunnecessaryva

7、riablesstatements.(a)intcalculate(intappleintange)intpeachlemonpeach=0lemon=0if(appleange)peach=angeelseif(ange=apple)peach=appleelsepeach=17lemon=19return(peach)AnswerThefunctioncalculatereturnsthelargerofitstwoparamete