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首页 c _random_函数_c 随机函数random()典型用法集锦(C _ran…

c _random_函数_c 随机函数random()典型用法集锦(C _random_ function _c random function random () typical usage highlights).doc

c _random_函数_c 随机函数random(&…

春雨柳丝
2019-01-09 0人阅读 举报 0 0 暂无简介

简介:本文档为《c _random_函数_c 随机函数random()典型用法集锦(C _random_ function _c random function random () typical usage highlights)doc》,可适用于社会民生领域

crandom函数c随机函数random()典型用法集锦(Crandomfunctioncrandomfunctionrandom()typicalusagehighlights)c#random函数c#随机函数random()典型用法集锦(C#randomfunctionc#randomfunctionrandom()typicalusagehighlights)Abstract:RandomNext()returnsanonnegativerandomnumberRandomNext(Int)returnsalessthanthespecifiedmaximumnonnegativerandomnumberRandomNext(Int,Int)returnsaspecifiedrangeofrandomnumber,random(number)functionofthishelpdocument,simplymentionRandomNext(return)nonnegativerandomnumbersuiJishuRandomNext(Int)returnsanonnegativerandomnumbersuiJishulessthanthespecifiedmaximumRandomNext(Int,Int)returnsarandomnumbersui,Ji,shuwithinthespecifiedrangefanwei,random(number)functionhanshuintroductionSeethehelpdocumentwendang,simplymentionthatrandom(number)returnsarandomintegerbetween~numberTheparametercanshunumberstandsforanintegerExample:Trace(random()),Mathrandom()SeehelpdocumentationwendangReturnsanumberof~withbitprecisionjingdu,notingthatthereisnoparametercanshuExample:Trace(Mathrandom()),customfunctionhanshuTherandomnumbersuiJishuwesometimesneedisnotsosimpleForexample,wewanttoreturnarandomnumbersuiJishuwithtwodecimaldigits,returntherandomnumbersbetweenthetwonumbers,sui,Ji,shu,returnthelettersrandomnumberssui,Ji,shu,returnanumberofrandomnumbers,sui,Ji,shu,andsoon,TheseneedtobewrittenbyourownfunctionhanshutoachieveThefollowingcode,daima,iscopieddirectlytothefirstframeofthemainscene,andtiaoyongcanbecalledNotethatsomefunctionshanshurequiretheentryparametercanshu#:returnsatotalnumberofNbitsinwhichthembitistherandomnumberofthedecimalsuiJishuFunctionrandomXiao(n,m){Vara=Mathpow(,nm)VarB=random(a)Returnb=bMathpow(,m)}Youcanusetrace(randomXiao(,))toexperimentThisfunctionhanshuissimpleMathpow(n,m)isusedforyongyutoreturnanumberwithnasthebaseandmasanexponentInvolution!#:returnsantombetweentherandomnumbersuiJishuFunctionrandomNm(n,m){If(m>=n){Returnrandom(mn)n}{elseReturnfalse}}Thereasonwhyrandom(mn)isusedisbecausetherangeofrandomnumberssui,Ji,shu,fan,weiisMN,plusmakesminitPlusNguaranteerandomnumberssui,Ji,shu,withnasthelowerboundAddajudgementtomakethefunctionhanshumorecompleteInaddition,ifyouwanttoreturnanegativerandomnumbersuiJishu,youcanalsouserandomNm(n,)ofcourse,Iwouldliketouserandom(n)moregenerally#:returnsaletterFunction,randomAscii(){VarC=StringfromCharCode(random())If(random()){Return,ctoLowerCase()}Returnc}#:returnsacaseinsensitiverandomletterIfyouwanttoreturntouppercase,removetheifconditionaltiaojiansentenceIfyouwanttoreturntolowercase,youcanchangetheconditionaltiaojiansentencetoconstant,orremovetheconditionaltiaojian,andthelastsentenceischangedto:ReturnctoLowerCase()theStringfromCharCode(number)functionhanshureturnsnumber,theASCIIcoderepresentingthenumericshuziToLowerCase()isusedinyongyutoconvertuppercasetolowercase#:returnsantoakmbetweendifferentrandomnumbersuiJishuPrivate,void,RandomKDiffer(int,N,int,m,int,K,int,arrayK){Inti=Int,a,jRandomrandom=new,Random()While(I<K){A=randomNext(mn)nFor(J=J<Ij){If(a==arrayKj){Break}}If(J==I){ArrayKi=aI}}}TheelementinthearrayshuzuarrayKistheresultingvalueNoticethatweborrowedrandom(mn)ntoreturnarandomnumbern~msuiJishuSomitselfwillbereturnedIfyouwanttoreturnanumberlessthanm,youcanchangethenvaluetoIfyouwanttoreturnanindeterminatenumberatrandom,YoucanassigntheKvalueoftheentryparametercanshutok=random(mn)Randomreturnsnotnecessarilythenumberofeachother,thejudgmentremoved,youcanpayattentiontoi,donotmissNomorehereThespecifiednumberofcharacters#zifudigitalshuzi,andthenreturnsarandom(ormore)zifushuzidigitalcharacters,theoriginalcharacterzifuisassignedtoanarrayofshuzu,accordingtotheshuzuxiaarraybiaoDeterminereturnvalueThefunctionhanshuisnolongerhere,soyoucantryityourselfAnother#pointedoutthatforarandomsetofMCcolorvalues,weusedmcColorsetRBG(random(xFFFFFF))thefollowingexamplewillhaveshuomingTospecifyagamut,youcanusethefunctionhanshugivenaboveIfyoudon'tknowmuchabouttheColorobjectduixiang,youcancheckforhelp,andthere'snodiscussionhereThefunctionhanshuisdirectlyderivedfromtherandombelow,forexample,canbesaidtobethederivativefunctionhanshuderivedfunctionhanshu,whichwillbeuseddirectlyabovethefunctionhanshu,pleasenote#:returnsarandomuppercaseEnglishwordofthespecifiedlength,wenzistringziFuchuanFunctionrandomString(n){VararrayA=randomKdiffer(,,n)VararrayB=""For(VaRI=I<ni){C=StringfromCharCode(arrayAi)*if(random()){C=ctoLowerCase()}*ArrayB=arrayBc}ReturnarrayB}NoticethattheStringCharCodemethodfangfa,ifyouwanttowritelowercase,returnsthereturnvaluearrayBtoLowerCase()ifyoureturnacharacterthatisnotcasesensitive,zifustringziFuchuan,ThenotezhushiremovedIfyouwanttoreturnaspecifiedlengthofthecharacterstringzizifuFuchuan,youcanputcanshufuzhientranceparameterassignmentforrandom(n)itonlyspecifiesitsupperlimitThisfunctioncanalsobeusedinshuhanRandomAsciifunctionhanshuimplementation,leavingyouthinking#:selecttherandomnumbersuiJishuinseveralregionsquyuForexample,in~,~,betweenthetwonumbers,selectxuanqu,arandomnumbersui,Ji,shuSincetheregionquyunumberisundefined,itisinconvenienttowritedirectlywithacertainfunctionhanshu,Themethodwewanttouseisfangfa,whichisdirectedbytheswitchstatementyujuSpecifically,wegiveafunctionhanshu,whichreturnsthenumberina~,~,andotherregionsqu,yureaders,changebythemselvesFunction,randomArea(){Vara=random()Switch(a){Case:ReturnrandomNm(,)breakCase:ReturnrandomNm(,)break}}Notethatwedidnotwritetheentryparametercanshu,butinsteadwedefinedthetwosegmentnumberdirectlyinthefunctionhanshu,andtherangefanweiisalsodeterminedIfitisthethreeparagraph,changetoa=random()It'salsopossibletoaddacaseOfcourse,youcanalsosettherangefanweiofthesectionnumberastheentryparametercanshu,andhereisnolongeranexampleButdoingsomightincreasetheparametercanshu,Personally,Idon'tlikeahanshuthatneedsalotofarguments,canshuSimilarly,wecanalsorandomlyreturnanumberoflettersorsegmentsofletters,orletters,withnumbersshu,zi,shu,Zi,duan,anumberMethodfangfaisalsojustacombinationofthepreviousfunctionshanshuHere,forexample,returnsarandomletterofthespecifieduppercasesectionToremindyou,thelowercaseASCIIcodea~zcorrespondsto~respectivelyFunctionrandomAArea(a,b){If(ord(a)<=ord(b)and<=ord(a)andord(b)<=){ReturnStringfromCharCode(randomNm(ord(a),ord(b))}else{Returnfalse}}Itusesafunctioncalledhanshuord(char),whichisanotrecommendedfunctionhanshuisusedforyongyuandreturnstheASCIIcodeofthecharcharacterzifuIfyouwanttocallanywhereinthetiaoyongfunctionhanshu,youneedtochangeitslightly,wewriteafunctionhanshutochangetheglobalfunctionhanshusothatyoucannotindicatethepathtothelujingandtiaoyongfreelytothecallingsystemxitongThefunctionhanshuisthesameMethodfangfaisasfollows例如:函数【汉书】randomxiao如果要声明盛明为全局函数汉书需要把第一行改为:global。randomxiao=函数(nm){声明}对全局函数【汉书】的概念不很清楚的朋友不用被这个名词吓倒。这样改了函数【汉书】第一行之后在任何地方比如在一个MC里直接用(对直接用不用加root路径卢了)randomxiao(nm)就可以

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c _random_函数_c 随机函数random&#40;&#41;典型用法集锦(C _random_ function _c random function random &#40;&#41; typical usage highlights)

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