Fire er det magiske tal

Jeg tjekkede ikke sandkassen før jeg sendte denne udfordring – det ser ud til, at denne udfordring blev foreslået af Cᴏɴᴏʀ O “Bʀɪᴇɴ .

Givet et heltal input, skriv et program, der udskriver de” fire er et magisk tal “gåde

  • Fire er det magiske tal
  • Fem er fire og fire er det magiske tal
  • Seks er tre og tre er fem og fem er fire og fire er det magiske tal
  • Elleve er seks og seks er tre og tre er fem og fem er fire og fire er det magiske tal
  • Fem hundrede er elleve og elleve er seks og seks er tre og tre er fem og fem er fire og fire er det magiske nummer

Hvis du allerede kender gåden, eller er for doven til at løse det ivrig efter at finde ud af, hvad gåden er, her er en forklaring

Det næste tal er antallet af bogstaver i det forrige nummer. Så for e eksempel, fem har fire bogstaver, så det næste tal er fire .

seks har tre bogstaver, så det næste tal er 3 , og tre har fem bogstaver, så det næste tal er 5 , og fem har fire bogstaver, så det næste tal er 4

Grunden til, at gåden ender med fire, er fordi fire har fire bogstaver, og fire er fire og fire er fire og fire er fire … (fire er det magiske tal )

Testtilfælde

0 => Zero is four and four is the magic number 1 => One is three and three is five and five is four and four is the magic number 2 => Two is three and three is five and five is four and four is the magic number 3 => Three is five and five is four and four is the magic number 4 => Four is the magic number 5 => Five is four and four is the magic number 6 => Six is three and three is five and five is four and four is the magic number 7 => Seven is five and five is four and four is the magic number 8 => Eight is five and five is four and four is the magic number 9 => Nine is four and four is the magic number 10 => Ten is three and three is five and five is four and four is the magic number 17 => Seventeen is nine and nine is four and four is the magic number 100 => One Hundred is ten and ten is three and three is five and five is four and four is the magic number 142 => One Hundred Forty Two is eighteen and eighteen is eight and eight is five and five is four and four is the magic number 1,000 => One Thousand is eleven and eleven is six and six is three and three is five and five is four and four is the magic number 1,642 => One Thousand Six Hundred Forty Two is twenty nine and twenty nine is ten and ten is three and three is five and five is four and four is the magic number 70,000 => Seventy Thousand is fifteen and fifteen is seven and seven is five and five is four and four is the magic number 131,072 => One Hundred Thirty One Thousand Seventy Two is thirty seven and thirty seven is eleven and eleven is six and six is three and three is five and five is four and four is the magic number 999,999 => Nine Hundred Ninety Nine Thousand Nine Hundred Ninety Nine is fifty and fifty is five and five is four and four is the magic number 

Regler

  • Indgangen kan enten tages fra STDIN eller som et argument til en funk tion
  • Input vil være et positivt tal mellem 0 og 999.999
  • Input vil kun indeholde tal (det følger regex ^[0-9]+$)
  • Input kan enten tages som et heltal eller en streng
  • Når det konverteres til en ordstreng, skal mellemrum og bindestreger ikke medtages i optælling (100 [Hundrede] er 10 tegn, ikke 11. 1.742 [Tusind syvhundrede fyrre-to] er 31 tegn, ikke 36)
  • Når det konverteres til en streng, skal 100 være hundrede, ikke hundrede eller hundrede, 1000 skal være tusind, ikke tusind eller tusind.
  • Når det konverteres til en streng 142, skal det være et hundrede og fyrre, ikke et hundrede og fyrre To
  • Outputtet er store og små bogstaver og skal følge formatet “ N er K og K er M og M er … og fire er det magiske tal “(medmindre input er 4, i hvilket tilfælde output skal være” fire er det magiske tal “)
  • Outputtet kan bruge tal i stedet for bogstaver (“5 er 4 og 4 er det magiske tal” i stedet for “fem er fire og fire er det magiske tal”), så længe dit program altid er ensartet
  • Outputtet kan enten være returværdien af en funktion eller udskrives til STDOUT
  • Standard smuthuller gælder
  • Dette er , så det korteste program i bytes vinder. Held og lykke!

Bonus

-30 bytes hvis programmet fungerer, når input er mellem -999.999 og 999.999.

Negative tal, når de konverteres til ord, skal du bare have “negativ” foran dem. For eksempel er -4 “Negativ Fire”, Negativ Fire er tolv og tolv er seks og seks er tre og tre er fem og fem er fire og fire er det magiske tal

-150 bytes hvis programmet ikke bruger nogen indbyggede funktioner til generering strengrepræsentationen af nummeret

Leaderboard

Dette er et stakuddrag, der genererer både et leaderboard og en oversigt over vindere efter sprog.

For at sikre, at dit svar vises, skal du starte dit svar med en overskrift ved hjælp af følgende Markdown-skabelon

## Language Name, N bytes 

Hvor N er størrelsen , i byte, af din indsendelse

Hvis du vil medtage flere tal i dit overskrift (f.eks. at slå gennem gamle scores eller inkludere flag i byte-antallet), skal du bare sørge for at den faktiske score er sidste nummer i din overskrift

## Language Name, <s>K</s> X + 2 = N bytes 
 var QUESTION_ID=67344;var OVERRIDE_USER=20634;function answersUrl(e){return"http://api.stackexchange.com/2.2/questions/"+QUESTION_ID+"/answers?page="+e+"&pagesize=100&order=desc&sort=creation&site=codegolf&filter="+ANSWER_FILTER}function commentUrl(e,s){return"http://api.stackexchange.com/2.2/answers/"+s.join(";")+"/comments?page="+e+"&pagesize=100&order=desc&sort=creation&site=codegolf&filter="+COMMENT_FILTER}function getAnswers(){jQuery.ajax({url:answersUrl(answer_page++),method:"get",dataType:"jsonp",crossDomain:!0,success:function(e){answers.push.apply(answers,e.items),answers_hash=[],answer_ids=[],e.items.forEach(function(e){e.comments=[];var s=+e.share_link.match(/\d+/);answer_ids.push(s),answers_hash[s]=e}),e.has_more||(more_answers=!1),comment_page=1,getComments()}})}function getComments(){jQuery.ajax({url:commentUrl(comment_page++,answer_ids),method:"get",dataType:"jsonp",crossDomain:!0,success:function(e){e.items.forEach(function(e){e.owner.user_id===OVERRIDE_USER&&answers_hash[e.post_id].comments.push(e)}),e.has_more?getComments():more_answers?getAnswers():process()}})}function getAuthorName(e){return e.owner.display_name}function process(){var e=[];answers.forEach(function(s){var r=s.body;s.comments.forEach(function(e){OVERRIDE_REG.test(e.body)&&(r="<h1>"+e.body.replace(OVERRIDE_REG,"")+"</h1>")});var a=r.match(SCORE_REG);a&&e.push({user:getAuthorName(s),size:+a[2],language:a[1],link:s.share_link})}),e.sort(function(e,s){var r=e.size,a=s.size;return r-a});var s={},r=1,a=null,n=1;e.forEach(function(e){e.size!=a&&(n=r),a=e.size,++r;var t=jQuery("#answer-template").html();t=t.replace("{{PLACE}}",n+".").replace("{{NAME}}",e.user).replace("{{LANGUAGE}}",e.language).replace("{{SIZE}}",e.size).replace("{{LINK}}",e.link),t=jQuery(t),jQuery("#answers").append(t);var o=e.language;/<a/.test(o)&&(o=jQuery(o).text()),s[o]=s[o]||{lang:e.language,user:e.user,size:e.size,link:e.link}});var t=[];for(var o in s)s.hasOwnProperty(o)&&t.push(s[o]);t.sort(function(e,s){return e.lang>s.lang?1:e.lang<s.lang?-1:0});for(var c=0;c<t.length;++c){var i=jQuery("#language-template").html(),o=t[c];i=i.replace("{{LANGUAGE}}",o.lang).replace("{{NAME}}",o.user).replace("{{SIZE}}",o.size).replace("{{LINK}}",o.link),i=jQuery(i),jQuery("#languages").append(i)}}var ANSWER_FILTER="!t)IWYnsLAZle2tQ3KqrVveCRJfxcRLe",COMMENT_FILTER="!)Q2B_A2kjfAiU78X(md6BoYk",answers=[],answers_hash,answer_ids,answer_page=1,more_answers=!0,comment_page;getAnswers();var SCORE_REG=/<h\d>\s*([^\n,]*[^\s,]),.*?(-?\d+)(?=[^\n\d<>]*(?:<(?:s>[^\n<>]*<\/s>|[^\n<>]+>)[^\n\d<>]*)*<\/h\d>)/,OVERRIDE_REG=/^Override\s*header:\s*/i; 
 body{text-align:left!important}#answer-list,#language-list{padding:10px;width:290px;float:left}table thead{font-weight:700}table td{padding:5px} 
 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <link rel="stylesheet" type="text/css" href="//cdn.sstatic.net/codegolf/all.css?v=83c949450c8b"> <div> <h2>Leaderboard</h2> <table class="answer-list"> <thead> <tr><td></td><td>Author</td><td>Language</td><td>Size</td></tr></thead> <tbody> </tbody> </table> </div><div> <h2>Winners by Language</h2> <table class="language-list"> <thead> <tr><td>Language</td><td>User</td><td>Score</td></tr></thead> <tbody> </tbody> </table> </div><table style="display: none"> <tbody> <tr><td>{{PLACE}}</td><td>{{NAME}}</td><td>{{LANGUAGE}}</td><td>{{SIZE}}</td><td><a href="{{LINK}}">Link</a></td></tr></tbody> </table> <table style="display: none"> <tbody> <tr><td>{{LANGUAGE}}</td><td>{{NAME}}</td><td>{{SIZE}}</td><td><a href="{{LINK}}">Link</a></td></tr></tbody> </table> 

Kommentarer

  • Er der et maksimalt muligt input?
  • I fremtiden skal du også kontrollere sandkassen for at se om

    en anden havde din idé .

  • @El ' endiaStarman Okay, jeg tilføjede noget tekst i toppen af udfordringen, der linker til dette indlæg
  • Din indbyggede funktionsbonus skal være mere som -150 til -200 byte.
  • I ' Jeg vil bare smide dette derude – selv det mest sindssygt optimerede antal til navngivning af konvertere koster næppe mindre end 150 byte for de fleste sprog, da det står -150 er mere en fælde end en bonus.

Svar

Bash + almindelige hjælpeprogrammer (inklusive bsd-spil), 123 – 30 = 93 byte

 for((n=$1;n-4;n=m)){ m=`number -l -- $n|sed "s/nus/&&/;s/\W//g"` s+="$n is $[m=${#m}] and " } echo $s 4 is the magic number  

Heldigvis er output fra bsd-games number utility er næsten nøjagtigt det, vi har brug for. Outputnumre skrives alle numerisk og ikke med ord i henhold til det 8. punkt:

$ ./4magic.sh 131072 131072 is 37 and 37 is 11 and 11 is 6 and 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number $ ./4magic.sh -4 -4 is 12 and 12 is 6 and 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number $ 

Svar

C, 263 261 bytes – 180 = 81

 char*i="jmmonnmoonmpprrqqsrrjjddeeecdd",x;f(n,c){return!n?n:n<0?f(-n,8):n<100?c+i[n<20?n:n%10]-i[20+n/10]:f(n/1000,8)+f(n/100%10,7)+f(n/100%10,0)+c;}main(int c,char**v){for(c=atoi(*++v);c-4;c=x)printf("%d is %d and ",c,x=c?f(c,0)):4;puts("4 is the magic number");}  

Inspireret af svaret fra Cole Cameron . Jeg tænkte, at jeg muligvis kunne klare mig bedre uden makrodefinitionen. Selvom det til sidst lykkedes mig, krævede det noget pres for at opnå det!

Det kræver et værtssæt med på hinanden følgende bogstaver (så ASCII er okay, men EBCDIC fungerer ikke). Det er for parret opslagstabeller. Jeg valgte j som nultegn og udnyttede behovet for to opslag, så jeg kunne trække den ene fra den anden i stedet for at skulle trække mit nul fra begge.

Kommenteret version:

 char*i= "jmmonnmoon" /* 0 to 9 */ "mpprrqqsrr" /* 10 to 19 */ "jjddeeecdd"; /* tens */ char x; /* current letter count */ f(n,c){ return !n?n /* zero - return 0 (ignore c) */ :n<0?f(-n,8) /* negative n (only reached if c==0) */ :n<100?c+i[n<20?n:n%10]-i[20+n/10] /* lookup tables */ : f(n/1000,8) /* thousand */ + f(n/100%10,7) /* hundred */ + f(n%100,0) /* rest */ + c; /* carry-in */ } main(int c, char**v) { for(c=atoi(*++v);c-4;c=x) printf("%d is %d and ",c,x=c?f(c,0):4); puts("4 is the magic number"); }  

Der er en åbenbar udvidelse til at støtte millioner ved at erstatte f(n/1000,8) med f(n/1000000,7)+f(n/1000%1000,8).

Testoutput

0 is 4 and 4 is the magic number 1 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 2 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 3 is 5 and 5 is 4 and 4 is the magic number 4 is the magic number 5 is 4 and 4 is the magic number 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 7 is 5 and 5 is 4 and 4 is the magic number 8 is 5 and 5 is 4 and 4 is the magic number 9 is 4 and 4 is the magic number 10 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 17 is 9 and 9 is 4 and 4 is the magic number 100 is 10 and 10 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 142 is 18 and 18 is 8 and 8 is 5 and 5 is 4 and 4 is the magic number 1000 is 11 and 11 is 6 and 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 1642 is 29 and 29 is 10 and 10 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 70000 is 15 and 15 is 7 and 7 is 5 and 5 is 4 and 4 is the magic number 131072 is 37 and 37 is 11 and 11 is 6 and 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 999999 is 50 and 50 is 5 and 5 is 4 and 4 is the magic number 

Svar

Mathematica, 156 – 30 = 126 bytes

a=ToString;({a@#," is ",a@#2," and "}&@@@Partition[NestWhileList[#~IntegerName~"Words"~StringCount~LetterCharacter&,#,#!=4&],2,1])<>"4 is the magic number"& 

Jeg er simpelthen overrasket over, at dette bruger strenge og er ikke latterligt langt.

Svar

Swift 2 , 408 419 – 30 = 389 Bytes

Jeg ville være i stand til at få slippe af med 176 byte, hvis Swift ikke var så detaljeret med regulære udtryk (fjernelse af bindestreger og mellemrum) * blænder på Apple *

 func c(var s:Int)->String{var r="";while(s != 4){r+="\(s)";let f=NSNumberFormatter();f.numberStyle=NSNumberFormatterStyle.SpellOutStyle;let v=f.stringFromNumber(s)!;s=v.stringByReplacingOccurrencesOfString("[- ]",withString:"",options:NSStringCompareOptions.RegularExpressionSearch,range:Range<String.Index>(start:v.startIndex,end:v.endIndex)).utf8.count+(s<0 ?3:0);r+=" is \(s) and "};return r+"4 is the magic number"}  

Dette kan testes på swiftstub.com, her

Jeg løb lidt for loop, og det viser sig, at 100003 er tallet mellem 0 og 999999 har det længste strengresultat, som har 6 iterationer og er

100003 er 23 og 23 er 11 og 11 er 6 og 6 er 3 og 3 er 5 og 5 er 4 og 4 er det magiske tal

Ungolfed

 func a(var s: Int) -> String{ var r = "" while(s != 4){ r+="\(s)" let f = NSNumberFormatter() f.numberStyle = NSNumberFormatterStyle.SpellOutStyle let v = f.stringFromNumber(s)! s = v.stringByReplacingOccurrencesOfString( "[- ]", withString: "", options: NSStringCompareOptions.RegularExpressionSearch, range: Range<String.Index>(start: v.startIndex, end: v.endIndex) ).utf8.count + (s < 0 ? 3 : 0) r+=" is \(s) and " } return r+"4 is the magic number" }  

Kommentarer

  • NSStringCompareOptions.RegularExpressionSearch Og jeg troede JS ' s String.fromCharCode var detaljeret. : P
  • Python og Ruby: string.replace.Swift: String.stringByReplacingOccurrencesOfString

Svar

Haskell, 285 – 180 = 105 Bytes

Faktisk er der slet ingen indbygget til visning af nummer. Jeg er stadig utilfreds med scoren. Du er velkommen til at kommentere. Jeg vil dog eksperimentere yderligere. Stillingen er stadig bedre end Swifts score

 c n|n<0=8+c(-n)|n>999=r 1000+8|n>99=7+r 100|n>19=r 10+2-g[30..59]+g[20..29]|n>15=r 10-1|2>1=[0,3,3,5,4,4,3,5,5,4,3,6,6,8,8,7]!!n where{g=fromEnum.elem n;r k=c(mod n k)+c(div n k)} m 4="4 is the magic number" m 0="0 is 4 and "++m 4 m n=show n++" is "++show(c n)++" and "++m(c n)  

forbrug

 m 7 "7 is 5 and 5 is 4 and 4 is the magic number" m 999999 "999999 is 50 and 50 is 5 and 5 is 4 and 4 is the magic number"  

Forklaring.

m er trivielt nok, men c er det ikke. c er funktionen til at tælle antallet af tegn det engelske navn af nummer.

c n |n<0=8+c(-n) -- Add word "negative" in front of it, the length is 8 |n>999=r 1000+8 -- the english name for number with form xxx,yyy is xxx thousand yyy |n>99=7+r 100 -- the english name for number with form xyy is x hundred yy |n>19=r 10+2-g[30..59]+g[20..29] -- the english name for number with form xy with x more -- than 1 is x-ty. However *twoty>twenty, -- *threety>thirty, *fourty>forty, *fivety>fifty. |n>10=r 10-1-g(15:18:[11..13]) -- the english name for number with form 1x is x-teen. -- However, *oneteen>eleven, *twoteen>twelve, -- *threeteen>thirteen, *fiveteen>fifteen, -- *eightteen>eighteen |2>1=[0,3,3,5,4,4,3,5,5,4,3]!!n -- for number 0-10, the length is memorized. 0 is 0 -- because it is omitted. Input zero is handled -- separately. If we defined 0 to be 4, then -- 20 => twenty zero. where g =fromEnum.elem n -- Check if n is element of argument array, if true, 1 else 0 r k=c(mod n k)+c(div n k) -- Obvious. 

Kommentarer

  • Åh ja? Nå, Swift har … uhm. .. en højere score … (I ' jeg er ikke særlig god til comebacks)

Svar

C, 268 – 180 = 88 byte

 #define t(x,o)n<x?o:f(n/x)+(n%x?f(n%x):0) char*i="4335443554366887798866555766";f(n){return t(1000,t(100,n<20?n<0?8+f(-n):i[n]-48:i[n/10+18]-48+(n%10?f(n%10):0))+7)+8;}main(n){for(scanf("%d",&n);n^4;n=f(n))printf("%d is %d and ",n,f(n));puts("4 is the magic number");}  

Prøv det her .

Ungolfed

 /* Encode number length in string (shorter representation than array) */ char*i="4335443554366887798866555766"; f(n) { return n < 1000 ? n < 100 ? n < 20 ? n < 0 ? 8 + f(-n) /* "Negative x" */ : i[n] - 48 /* "x" */ : i[n/10+18] + (n%10 ? f(n%10) : 0) /* 20-99 */ : f(n/100) + (n%100 ? f(n%100) : 0) + 7 /* x hundred y */ : f(n/1000) + (n%1000 ? f(n%1000) : 0) + 8; /* x thousand y */ } main(n) { /* Keep printing until you get to the magic number */ for(scanf("%d",&n);n^4;n=f(n)) printf("%d is %d and ",n,f(n)); puts("4 is the magic number"); }  

Svar

Java, 800 – 150 = 650 byte

class G{static String e="",i="teen",j="ty",k="eigh",y="thir",d="zero",l="one",n="two",m="three",h="four",s="five",c="six",t="seven",b=k+"t",g="nine",D="ten",L="eleven",N="twelve",M=y+i,H=h+i,S="fif"+i,C=c+i,T=t+i,B=k+i,G=g+i,o="twen"+j,p=y+j,q="for"+j,r="fif"+j,u=c+j,v=t+j,w=k+j,x=g+j,A=" ",O=" hundred ",z,E;public static void main(String a[]){z=e;int l=new Integer(a[0]);do{E=a(l,1,e);l=E.replace(A,e).length();z=z+E+" is "+a(l,1,e)+" and ";}while(l!=4);System.out.print(z+h+" is the magic number");}static String a(int P,int _,String Q){String[]f={e,l,n,m,h,s,c,t,b,g,D,L,N,M,H,S,C,T,B,G,e,D,o,p,q,r,u,v,w,x};int R=20,X=10,Y=100,Z=1000;return P==0?(_>0?d:e):(P<R?f[P]+Q:(P<Y?(f[R+(P/X)]+" "+a(P%X,0,e)).trim()+Q:(P<Z?a(P/Y,0,O)+a(P%Y,0,e)+Q:a(P/Z,0," thousand ")+a((P/Y)%X,0,O)+a(P%Y,0,e)+Q)));}} 

Af-golfet

class G { static String e="",i="teen",j="ty",k="eigh",y="thir",d="zero",l="one",n="two",m="three",h="four",s="five",c="six",t="seven",b=k+"t",g="nine",D="ten",L="eleven",N="twelve",M=y+i,H=h+i,S="fif"+i,C=c+i,T=t+i,B=k+i,G=g+i,o="twen"+j,p=y+j,q="for"+j,r="fif"+j,u=c+j,v=t+j,w=k+j,x=g+j,A=" ",O=" hundred ",z,E; public static void main(String a[]){ z = e; int l = new Integer(a[0]); do { E = a(l,1,e); l = E.replace(A,e).length(); z = z+E+" is "+a(l,1,e)+" and "; } while(l!=4); System.out.println(z+h+" is the magic number"); } static String a(int P,int _,String Q) { String[] f = {e,l,n,m,h,s,c,t,b,g,D,L,N,M,H,S,C,T,B,G,e,D,o,p,q,r,u,v,w,x}; int R=20,X=10,Y=100,Z=1000; return P==0?(_>0?d:e):(P<R?f[P]+Q:(P<Y?(f[R+(P/X)]+" "+a(P%X,0,e)).trim()+Q:(P<Z?a(P/Y,0,O)+a(P%Y,0,e)+Q:a(P/Z,0," thousand ")+ a((P/Y)%X,0,O)+a(P%Y,0,e)+Q))); } } 

Kommentarer

  • Jeg ved det ' har været mere end et år, men du kan fjerne nogle parenteser i den ternære opgave samt ændre ==0 til <1. Så: return P<1?_>0?d:e:P<R?f[P]+Q:P<Y?(f[R+(P/X)]+" "+a(P%X,0,e)).trim()+Q:P<Z?a(P/Y,0,O)+a(P%Y,0,e)+Q:a(P/Z,0," thousand ")+a((P/Y)%X,0,O)+a(P%Y,0,e)+Q; ( – 10 bytes )

Svar

QC, 265 – 30 – 150 = 85 byte

(✵1:oaT%=ta100%=ha100/⌋T%=X[0 3 3 5 4 4 3 5 5 4 3 6 6 8 8 7 7 9 8 8]=Y[6 6 5 5 5 7 6 6]=a0≟4a20<Xt☌YtT/⌋2-☌Xo☌+▲▲hXh☌7+0▲+)(❆1:na0<8*=ba‖1000/⌋=ca1000%=nbb✵8+0▲a✵++){I4≠:EEI" is "++=II❆=EEI" and "++=E!}E"4 is the magic number"+ 

Test suite

Ungolfed:

(✵1: oaT%= # ones ta100%= # tens ha100/⌋T%= # hundreds X[0 3 3 5 4 4 3 5 5 4 3 6 6 8 8 7 7 9 8 8]= # length of "zero", "one", "two", ..., "nineteen" Y[6 6 5 5 5 7 6 6]= # length of "twenty", ..., "ninety" a0≟ 4 a20< Xt☌ YtT/⌋2-☌ Xo☌ + ▲ ▲ hXh☌7+0▲+) (❆1: na0<8*= # if negative, add 8 ba‖1000/⌋= # split aaaaaa into bbbccc ca1000%= n bb✵8+0▲ a✵ ++) {I4≠:EEI" is "++=II❆=EEI" and "++=E!}E"4 is the magic number"+ 

Kommentarer

  • Hvis du ' ikke bruger en indbygget funktion til at få længden af nummer, så du faktisk kan trække endnu en 150 fra din score

Svar

JavaScript, 382 – 150 – 30 = 202 byte

var o=[0,3,3,5,4,4,3,5,5,4],f=s=>(s[1]==1?[3,6,6,8,8,7,7,9,8,8][s[0]]:o[s[0]]+(s.length>1?[0,3,6,6,5,5,5,7,6,6][s[1]]:0))+(s.length==3?(7+o[s[2]]-(o[s[2]]==0?7:0)):0),l=n=>{var s=(""+n).split("").reverse();return f(s.slice(0,3))+(s.length>3?(f(s.slice(3,6))+8):0)};(n=>{var s="";while(n!=4){s+=n+" is ";n=n>=0?l(n):(l(-n)+8);s+=n+" and ";}console.log(s+"4 is the magic number");})() 

Indgangen gives som parameter til funktionen Umiddelbart påkaldt funktion.

Testindgang:

999999 -> 999999 is 50 and 50 is 5 and 5 is 4 and 4 is the magic number 17 -> 17 is 9 and 9 is 4 and 4 is the magic number -404 -> -404 is 23 and 23 is 11 and 11 is 6 and 6 is 3 and 3 is 5 and 5 is 4 and 4 is the magic number 

De-golfet:

// array of the lengths of digits in ones place: // one is 3, two is 3, three is 5, etc... zero is a special case // and is assigned zero length because zero is never written out in a number name var o=[0,3,3,5,4,4,3,5,5,4], // function that computes the length of a substring of the input // because the input is 6 digits, it can be broken into two 3 digit subsections // each of which can have it"s length calculated separately f=s=> ( s[1]==1? // check for if the tens digit is a one // when the tens is a one, pull the string length from an array that represents // ten, eleven, twelve, thirteen, etc... [3,6,6,8,8,7,7,9,8,8][s[0]] : // when the tens digit is not a one, add the ones digit normally and... o[s[0]] + // add the tens digit length from the array that represents // zero, ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety (s.length>1?[0,3,6,6,5,5,5,7,6,6][s[1]]:0) ) + ( s.length==3? // check if the length is 3 and weren"t not accidentally trying to do something wierd with a minus sign // if so, then we have to add a hundred (7 characters) to the length and the // length of the ones digit that is in the hundreds place like // "one" hundred or "two" hundred (7+o[s[2]]- ( // also, if the hundreds place was a zero, subtract out those 7 characters // that were added because "hundred" isn"t added if there"s a zero in its // place o[s[2]]==0? 7 : 0 ) ) : // if the length wasn"t 3, then don"t add anything for the hundred 0 ), // function that computes the length of the whole six digit number l=n=>{ // coerce the number into a string and then reverse the string so that the // ones digit is the zeroth element instead of last element var s=(""+n).split("").reverse(); return // calculate the character length of the first 3 characters // like in the number 999888, this does the "888" f(s.slice(0,3)) + // then if there actually are any characters after the first 3 (s.length>3? // parse the character length of the second 3 characters (f(s.slice(3,6))+8) : 0 ) }; // lastly is the Immediately-Invoked Function Expression (n=>{ var s=""; // as long as we haven"t reached four, just keep going through the loop while(n!=4){ s+=n+" is "; n=n>=0?l(n):(l(-n)+8) // this handles negatives by only passing positive values to l and then just adding 8 onto the length for negatives s+=n+" and "; } // finally just say that "4 is the magic number" console.log(s+"4 is the magic number"); })(999999) 

Svar

Python 641-150 = 501 byte

Det er i det mindste ikke længere end Java! Det er baseret på dette undtagen ved hjælp af strenge.

EDIT : I glemte 0 og at jeg har brug for at sige " 5 er 4 ", ikke spring til " 4 er det magiske tal " – der tilføjede lidt til partituret.

w={0:"zero",1:"one",2:"two",3:"three",4:"four",5:"five",6:"six",7:"seven",8:"eight",9:"nine",10:"ten",11:"eleven",12:"twelve",13:"thirteen",14:"fourteen",15:"fifteen",16:"sixteen",17:"seventeen",18:"eighteen",19:"nineteen",20:"twenty",30:"thirty",40:"forty",50:"fifty",60:"sixty",70:"seventy",80:"eighty",90:"ninety"} s="" def i(n): global s e="" o=n%10 t=n%100 h=n/100%10 th=n/1000 if th: e+=i(th) e+="thousand" if h: e+=w[h] e+="hundred" if t: if t<20 or o==0: e+=w[t] else: e+=w[t-o] e+=w[o] if len(e)==4:s+="4 is the magic number";print s else: s+="%d is %d and "%(n,len(e));i(len(e)) In=input() i(In) 

Prøv det her!

Kommentarer

  • Du don ' behøver ikke at vise navnet, ikke?
  • Dette er forkert. i(5) udskriver 4 is the magic number i stedet for 5 is 4 and 4 is the magic number.

Svar

PHP, 168 – 30 = 138 byte

function m($i){$e=strlen(preg_replace("/[^a-z-]/","",(new NumberFormatter("en",5))->format($i)));echo($i==$e?"":"$i is $e and "),($e==4?"4 is the magic number":m($e));} 

Svar

Moo, 182 176 / 192 188 bytes – 30 = 146/158

188 byte-version:

u=$string_utils;s="";i=args[1];while(i-4)j=u:english_number(i);s=s+j+(s?" and "+j|"")+" is ";i=length(u:strip_chars(j,"- "}));endwhile;return s+(s?"four and "|"")+"four is the magic number" 

176 byte implementeringsafhængig version:

s="";i=args[1];while(i-4)j=#20:english_number(i);s=s+j+(s?" and "+j|"")+" is ";i=length(#20:strip_chars(j," -"));endwhile;return s+(s?"four and "|"")+"four is the magic number" 

Begge er funktioner.

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