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Scala, 60 bytes _.map(_ map "".+).reduce(_.zipAll(_,"","")map(_+_)).mkString Try it in Scastie! First, _.map(_ map "".+) turns every string into a list of strings containing a single character...
Challenge Write a program that prints its reversed self. For example, if your code is foo() Then it'll output: )(oof Make sure that the quine is a valid one, as defined here: No cheatin...
Vyxal D, 10 bytes `:qpṘ`:qpṘ Try it Online! `:qp `:qp # Standard quine structure Ṙ Ṙ # Reverse Or, more interestingly... Vyxal D, 31 bytes `q\`:Ė#\`+øm`:Ė#Ė:`mø+`\#Ė:`\q` Try ...
Python 3, 69 bytes i="))43,]1-::[i,43,73(%ci(tnirp;%c%s%c=i";print(i%(37,34,i[::-1],34)) Try it online!
Python 3, 202 bytes a,i='bottle%s of beer on the wall',99 while i:i-=1;x=a%'s'[:i];print(i+1,x+',',i+1,x[:-12]+'.\n'+'GToa kteo otnhee dsotwonr ea nadn dp absusy isto maer omuonrde,,'[i>0...
Python 3, 34 bytes lambda a,b:''.join(b*i for i in a) Try it online!
Python 3.8 (pre-release), 98 bytes lambda s,n:''.join((c,chr((ord(c)+n-1-(o:=(64,96)[c.islower()]))%26+o+1))[c.isalpha()] for c in s) Try it online!
Sclipting, (UTF-16) 58 52 bytes 가匱❸增平갠下氫終要鈮貶⓶梴감⓶上❸乘殲終終并鈮掘增 Gives the nth ludic number, 0-indexed. 가 Start list of Ludics with 0 匱❹增平갠下氫終 Create a list of numbers from 2 to n+1 squared 要 W...
Python 3, 80 77 75 72 bytes def f(): yield 1;l=[*range(2,236425)] while l:yield l[0];del l[::l[0]] Try it online! Prints out the whole sequence. I did my best to get the biggest number t...
Haskell, 7 bytes reverse Try it online!
C (gcc), 774 bytes #define S strcat(o, #define I(s)if(n)S s);else{S" ");return;} #define B);break;case n,N,s;char*i,o[999],*d[]={"zero ","one ","two ","three ","four ","five ","six ","seven "...
Haskell, 219 194 bytes h!n=x n?(a?c$d>n&&(even a?f(<)$f(==)))$h where(a,b)=e!!(c-1);(c,d)=dropWhile((<n).snd)e!!0;f g=g(n*2)$b+d x n=m?(2^(e-1)*(m+32))$e<1where(e,m)=divMod ...
Python 3, 191 bytes lambda p:[c for c in chain(*[C(p,r)for r in range(len(p)+1)])if all(all(i==(sum(p.values())/2>=sum(p[n]for n in d))for d in C(c,len(c)-i))for i in[0,1])] from itertools imp...
Python 3, 399 bytes def f(n): if n<1:return'zero' t=1000;m=t*t;r='r fif six seven eigh nine ';b=f'one two three four five six seven eight nine ten eleven twelve thir fou{r}twen thir fo{r}'....
Vyxal, 3 bytes k∨↔ Try it Online! ↔ # Keep chars from k∨ # vowels
Python 3, 319 318 bytes print('riBfig,barBbilBdewBmulBtayBabiu,bael,date,lime,lulo,neem,noni,pear,pili,plum,rimu,sloe,sorb,yuzu,bearBblueBcranBcrowBemu BhackBjuneBlimeBpineBraspBwineBwolfByew Back...
Fig, 3 bytes Actual score is: $3\log_{256}(96)\approx$ 2.469 bytes. Filters consonants from the input string using implicit input. Fcb Try it online! Fcb F : Filter with two string args fi...
J, 15 bytes 7 u:32 OR 3 u:] Port of Shaggy's answers. Evaluates as 3 forks 7 u: (32 OR (3 u:])) Attempt This Online! 7 u:32 OR 3 u:] ] : right argument 3 u: : 3&a...
J, 19 char Solution: (e.&'aeiouAEIOU'#]) Test examples: (e.&'aeiouAEIOU'#]) '' (e.&'aeiouAEIOU'#]) 'Rhythm' (e.&'aeiouAEIOU'#]) 'a' a (e.&'aeiouAEIOU'#...
"Finalized" (or "cancelled") seems like it should be a property of the post. We can close questions -- but not articles. I think that was a change at some point, because the point of closing is t...
Vyxal, 2 bytes ~A Try it Online! Takes input as a string, outputs a list of vowels. Explained ~A ~ # Keep only letters from the input where A # the letter is a vowel
Vyxal D, 62 bytes `$f3uV4udV5β$I$:∇₍λ2|62∵Ẏ;ȯ$0<i`$f3uV4udV5β$I$:∇₍λ2|62∵Ẏ;ȯ$0<i Try it Online! Character map: 4 : -2 3 : -1 0 : 0 1 : 1 2 : 2 Nice, long and yummy quine. Explai...
There is a new project called Attempt This Online intended as an alternative to TIO. It's pretty nascent so doesn't yet support the same volume of languages as TIO and the only version of JavaScrip...
Given a word that can be rotated by 180 degrees (a half turn) about at least one of its 3 axes and continue to be composed of English alphabet letters, output one of its rotated forms. The 3 rotat...
APL(Dyalog Unicode), 64 bytes SBCS {64-≢∪x,u/⍨∧/¨(>∘0∧<∘9)u←⊃,/(a/⍨2|+/¨|a←,∘.,⍨1 2,-1 2)∘+∘⊂¨x←⍸⍵} Try it on APLgolf! A dfn which takes a boolean grid.
