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Bash, 11 kill -11 $$ Try it online!
C (compliant), 194 bytes 197 198 bytes. Golfed version of the function in the question, using X macros: #define L Y(1000,M)Y(900,CM)Y(500,D)Y(400,CD)Y(100,C)Y(90,XC)Y(50,L)Y(40,XL)Y(10,X)Y(9,IX...
Bash, 3 bytes rev Try it online! Less boring: Bash, 8 bytes tac -rs. Try it online!
This Q&A will be used as a general guide to cops-and-robbers challenges. It is not fully inclusive of every cops-and-robbers challenge but it's a good baseline. Basic Premise Cops and Robbers...
Bubblegum, 769 bytes 074cd1dc7fb6baed2f568915ffeb6aa5c775264a9a6f77eb418f0793da59b234599dadb6804269dbb5a213a05c807b0723f79512c284f46e8dbb6b0274f1b36606988b67ea58cf68beabe10f158702fcbf4c2b30d7b4f26...
x86-64 machine code, 27 bytes 6A D7 58 99 B1 10 48 D3 C0 48 AB C6 07 0A AE 80 C1 48 73 F2 FF C2 74 EC 88 37 C3 Try it online! Following the standard calling convention for Unix-like systems (f...
Japt -R, 16 15 bytes Uses spaces for #s and "s for Qs. ##Ë64ì £QùXÄÃy Test it (footer reformats the output to use the characters from the spec) This one uses 1s for #s. ##Ë64ì £#ÿ¤hXQ ...
Sclipting, (UTF-16) 86 bytes 標갠 관上가①要❶❹剩걉눑감⓶重右갰雙⓷加⓶❸分終⓷棄終并❶訂乾⓶折❷同終長괐縮⒈棄丟 Explanation: Input n 標 갠 관上 for b from 2 to 16 가 s = 0 ① n' = n 要 while n' is not 0 ❶❹剩 x = n...
Addressing only the technical (platform) issues, and not community culture: We need to make pending edits more visible in two ways. As you said, you have to go to each category to see what's wait...
JavaScript (Node.js), 146 bytes f=(a,c=n=~(b=d=[],e=x=>x&&(c>191|d>2?b.push(d+192,c):b.push(...d+n?[c,c]:[c]),c=n,d=0)))=>(a.map(b=>c^n?c=(e(d>62|b-c),d++,b):(c=b,d=1))...
JavaScript (Node.js), 101 82 bytes -19 bytes thanks to Shaggy! x=>x.replace(/(..)\1{0,62}/g,(c,g)=>c>'c'||c[5]?(192+c.length/2).toString(16)+g:c) Try it online! Everything can be sol...
This is a list of golfing tips for the language known as Java. If you have a tip, add it in!
Use for(;;) instead of while(true) The title's self-explanatory. A byte saver.
Abuse the C-like array syntax If you ever have to declare two variables, one of type X and the other of type X[], instead of two statements, you can declare them together using this atrocious synt...
Abuse anonymous classes Warning: This only works in very specific circumstances, and I've never actually needed it. Instead of defining a method outside of your method, you can make an instance o...
Use interface The special thing about this is that it lets you drop public when you originally call a class to run the main function. class F{public static void main(String[]a{}} interface M{sta...
Java (JDK), 311 301 296 bytes interface A{static void main(String[]x){String a=" bottle",b=" of beer",c=" on the wall. ",e;for(int i=99;i>0;i--){e=i>1?"s":"";System.out.println(i+a+e+b+c+(...
JavaScript, 28 bytes alert(`Hello, ${prompt()}!`) Try it online!
AWK, 72 bytes BEGIN{for(i=1;i<101;i++){s="";i%3||s="Fizz";i%5||s=s"Buzz";print s?s:i}} Try it online!
Use pointer arithmetic and \0 with string literals In C, strings are just zero-terminated character arrays, which means you can play tricks with pointer arithmetic. For example, the line char*s=a...
JavaScript (Node.js), 160 bytes (r,d,n,l=r.length,s=d.length,p=(n,i)=>n?"01110110"[4*p(--n,i-1)+2*p(n,i)+1*p(n,i+1)]:i>=0&i<s?d[i]:r[(i%l+l)%l])=>[...Array(4*l+s+2*n)].map((_,i)=...
C (gcc), 64 62 bytes Saved 2 bytes thanks to m90 in the comments. i;f(char*s){i=atoi(s)>>4;return'A'+(i&8?i&4?i&2?i%2+3:2:1:0);} Try it online!
