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Imagine you have only one byte (8 bits) to store a value, but need to store values from $0$ to $4032$. Impossible, until you are also told that an error of 1/64 of the exact value does not matter. ...
Sclipting, (UTF-16) 454 406 bytes Yes. 塊匱❸곴김分倘標⓶❹演긆륩닆롩닶밎併鈉不終⓷곴김剩❶갾밈分倘⓷標⓷❺演긇끨닷녳눖멤併鈉⓶不終갾밈剩❶뉀分倘⓷標⓷❺演긆둵닦끲뉖밄併鈉⓶不終뉀剩⓶글會⓶倘❷長是긆굮뉂밀⓶終긇끨늗긠뉦뭵댢걦늖눠댶땸긇꽥덦녮긆녩뉶될닦땮뉐❷굀瀰是❶銅긂건덶녮融壹坼❸겠分掘덇밉⓸겠剩倘껐⓶⓹逆⓸終終긆뭮뉒건덶묠덆둲뉖넠뉦뭵댢걦늗뉥긇꽩...
C# (.NET Core), 60 bytes class a{static void Main(){Console.Write("Hello, World!");}} Try it online!
As you might know, there were elections in Germany, and now the parties have to form a government coalition. Let's help them with it! A good coalition has the strict majority of seats (that is, mo...
Haskell, 141 bytes import Control.Monad f a=map(map fst)$filter(\c->let{g=map snd;e=sum(g a)`div`2;f=g c;d=sum f}in d>e&&all((<=e).(d-))f)$filterM(pure[1<0..])a Try it ...
Run-length encoding is a simple compression technique which compresses sequences of repeating identical bytes. The encoding rules for this task are as follows: Any sequence of $n$ identical bytes...
Python 3, 106 91 bytes Saved 15 bytes thanks to Moshi in the comments lambda a,b,c:[p for p in"+ - * // % **".split()if(p in'+-**'or b)and eval(f"{a}{p}{b}")==c] Try it online!
Use higher versions of Java Seriously, it's crazy what sort of features have been added since Java 8. I hardly recognize the language anymore... Examples: Constructing Lists Before, you had to ...
Vyxal, 24 bytes \.€hEb:L8-0wẋf$J0ḟkA5Ẏ$i Try it Online! This is absolutely abysmal but whatever. A lot of bytes are taken up by trying to pad the list with zeroes (ẋ was buggy or something so ...
Python 3, 56 bytes lambda x:chr(65+f'{int(float(x[:3]))&~8:08b}'.find('0')) Try it online! Takes in the ip address as a string and returns the classification letter. Explanation: x[:...
Scala, 41 bytes x=>2 to x forall(d=>x%d+math.sqrt(d)%1>0) Try it online! Pretty straightforward
Python3, 39 bytes lambda n:all(n%i**2for i in range(2,n)) Try it online! Makes a list comprehension from the numbers 2 through n of the remainder of the square, and then checks whether the lis...
Vyxal, 4 bytes K∆²a Try it Online! Outputs 0 for square-free, 1 for not. K # Factors ∆² # Is perfect square a # Any true?
Ruby, 20 bytes ->a,b{4[a]*4[b]+a+b} Attempt This Online!
Python 3, 7 distinct characters, 11 bytes True/-~True Try it online!
J, 4 3 distinct, 6 bytes -:_-:_ Half of _ -: _ which is asks if infinity matches infinity. Thanks to @xash in the APL farm discord for saving the 3 unique bytes and orthoplex for catching my bl...
Perl, 3 distinct, 12 bytes s//yy//y/y// Try it online! Prepends yy to the start of $_, and then transliterates them, dividing the count of each.
Clojure - 15 characters total, 5 unique Inspired by the Embed ESCR solution above, I realized I could do something very similar in Clojure: (/(*)(+(*)(*))) This returns 1/2, which is a Ratio i...
Python 3, 5 unique bytes, 28 total (()==())/((()==())+(()==())) (, ), =, /, + Uses (()==()) to get True with only 3 unique characters, as well as making the later grouping of (...+...) free. ...
Ruby, 18 bytes loop{$><<$/=?*+$/} Try it online!
