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Jelly, 6 bytes ḅSbɗ-2 Try it online! Takes input and output as a pair of lists of digits. The Footer converts to and from. Jelly's generalised base conversion works for all integer bases, and...
Japt, 8 bytes Input as an array of negabinary digit arrays, output as a negabinary digit array. xì2n)ì2n Try it or run all test cases (headers & footers convert to & from digit arrays)...
Japt, 11 9 bytes Outputs the first n terms. Change the h to g to get the nth 0-indexed term. ÈÑ+ZÔÅÎ}h Try it ÈÑ+ZÔÅÎ}h :Implicit input of integer U È :Function taking an int...
There's a small problem with the leaderboard: It seems to be recognizing the first <code> block in the answer rather than the first <pre><code> block in the answer. The byte co...
Ruby, 35 bytes ->a{a.split.map{eval _1}.reduce :*} Try it online! Right tool for the job, I suppose. uses ruby 2.7+ features, so tio link will look different.
Image output may be a pixel shader A pixel shader inputs x,y coordinates of a pixel and prints the color of a pixel (scalar for grayscale, tuple for full color, bool for binary...). Relevant for S...
Sclipting, (UTF-16) 62 bytes 감 뉀上標❷갰剩虛끦땺뎠嗎❸걐剩虛뀧녺뎠嗎併梴是⓶終丟終并겠會
C (clang), 161 bytes i,j,k;main(){char *s;scanf("%i%[^\n]%*c",&i,s);for(j=0;j<strlen(s);j++){if(isalpha(s[j])){for(k=0;k<i;k++){if(s[j]==90||s[j]==122){s[j]-=26;}s[j]+=1;}}}puts(s);} ...
Kotlin, 34 bytes fun main(){print("Hello, World!")} Try it online!
Swift, 23 bytes print("Hello, World!") Try it online!
PureScript, 25 bytes main=log("Hello, World!") Try it online!
Assign ints before main(){} This is a combination of 2 golfing tricks. It's possible to write a program as just main(){}, though it will send a warning, not an error though, so it's still safe to ...
Canvas, cracked by Shaggy, 129 bytes /bin/bash > echo "Cops and Robbers"; #Testing, testing 1 2 3 Segmentation Fault > echp "Cops and Robbers"; #Huh? Cops and Robbers This version of ...
Erlang (escript), 43 bytes - cracked by Shaggy main([])-> io:fwrite("Cops and Robbers"). Printing Cops and Robbers as the challenge says. Try it online!
Rockstar, 19 bytes say "Hello, World!" Try it here (Code will need to be pasted in)
C# (.NET Core), 67 bytes class a{static void Main(){System.Console.Write("Hello, World!");}} Try it online!
Verbosity, 512 bytes, cracked by Moshi Include<Integer> Include<MetaFunctions> Include<Output> Include<String> Integer:DefineVariable<IntegerOne; 1> Output:Def...
Cracks Kevin M. Mansour's answer: Erlang Searched for languages that use fwrite, no joy. Searched for io:fwrite, got it instantly main([])-> io:fwrite("Cops and Robbers"). Try it onli...
Scala, 18 bytes x=>_.:\(.0)(_+_*x) Try it online! Not too complicated. Takes the list of coefficients and folds from the right, multiplying the accumulator by x each time and adding the nex...
Cracks Mark Girrafe's answer: PicoLisp A sneaky search of TIO's GitHub org revealed this one ;) (prinl "Cops and Robbers")(bye) Try it online!
C (clang), 189 181 176 173 bytes i,n,x,y;main(){scanf("%i",&x);y=1,n=10001;int z[n];for(i=0;i<n;i++,y++){z[i]=pow(y,2);}for(i=0;i<n;i++){if(x==z[i]){puts("True");break;}if(x!=z[i]&...
Sclipting, (UTF-16) 8 bytes 根❶圜同 Takes the square root, pushes a copy, rounds the copy, and compares. Basically, checks that the square root is an integer.
Sclipting, (UTF-16) 238 bytes 눰 감下❶貶下標⓶긆깯덇끬뉗꼠닶눠눦녥댠❷감侔是검摧終併終❷긆뭮긇끨뉒걷눖롬 껂밀⓹껠뙔눖띥긆뭮뉒걤닷덮긆굮뉂거눗꽳긆땴긆굲닷녮뉂렠⓺❺껠똊終棄棄껠뙇닲건닲건늆넠댷끯댦넠눖멤긆깵뎒걳닶륥긆륯댦넬긃딹긆깯덇끬뉗꼠닶눠눦녥댢걯닢건늆넠덶구닂밎 Explanation 눰 감下 For n from 99 down to 1 ...
JavaScript (Node.js), 228 224 bytes -4 bytes thanks to Hakerh400 (b=n=>`${n} bottle${n-1?'s':''} of beer`,w=' on the wall')=>[...Array(99)].map((_,i)=>`${b(i=99-i)}${w}, ${b(i)}. `+(--i...
Japt, 117 116 115 bytes Needs more golfing or, perhaps, a completely different approach. Borrows a couple of tricks trick from ETHProductions' original version. Includes 2 trailing newlines. ´LÇ...
