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JavaScript (Node.js), 147 bytes f=(a,b='IVXLCDM',g=Math.log10(a)<<1,c=10**(g/2),e=a/c|0,i=b[g+1],j=a=>b[g].repeat(a))=>a?(e<4?j(e):e<6?j(5-e)+i:e<9?i+j(e-5):j(1)+b[g+2])+f(a...
The task is to take a decimal integer as input and print the corresponding Roman numeral with capital letters. The program must handle all positive integer numbers between 1 and 1000. Input can be...
LOLCODE, 37 bytes HAI 1 VISIBLE "Hello, World!" KTHXBYE Try it online!
C (gcc), 126 129 bytes N=9999;f(n){int p[N],i,j,P;memset(p,1,N);for(i=P=2;i*i<N;i++)if(p[i]){for(j=i*i;j<N;j+=i)p[j]=0;i-P>=n?j=N:(P=i);}e:return P;} Try it online! This is an integer...
JavaScript (Node.js), 81 bytes d=(p,i=2)=>i<p?!(p%i)||d(p,i+1):0 f=(n,a=2,p=a+1)=>d(p)?f(n,a,p+1):p-a<n?f(n,p):a Try it online! Explanation: d is a helper function that returns t...
I suggest we have some status tags for Sandbox. In particular, one like "status-finalized" instead of manually (and therefore inconsistently and not searchable) changing the title to say "[FINALIZE...
Japt, 625 615 bytes `'T°s ߦg, d e sÒy v Did gy d g½e e °¼; A¥ Úßy ØÀ e Þgov, A e Ú ÎÈs tg¼. ` +i` "BeØ e {=`Jab¼rwock`}, my s! T jaws È ßÒ, e claws È ¯t®! BeØ e...
Bubblegum, 769 bytes 074cd1dc7fb6baed2f568915ffeb6aa5c775264a9a6f77eb418f0793da59b234599dadb6804269dbb5a213a05c807b0723f79512c284f46e8dbb6b0274f1b36606988b67ea58cf68beabe10f158702fcbf4c2b30d7b4f26...
The task is to generate the text of Lewis Caroll's Jabberwocky. The text, quoted from Wikipedia, is as follows (I've replaced a non-ASCII character with ASCII, otherwise it's direct copy&paste...
Husk, 9 solutions 1. Classic 256 Try it online! 2. Squaring □□4 Try it online! 3. Incrementing →→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→...
SE Sandbox Link, Codidact Sandbox Link Inspired by this video. Given a positive integer, draw its Cistercian representation as ascii art. The Challenge Cistercian numerals are a decimal-based...
Raku, 18 solutions 256 ٢٥٦ ۲۵۶ ߂߅߆ ২৫৬ ᠒᠕᠖ 𑄸𑄻𑄼 4⁴ 0x100 ord Q`Ā` '~~~'~^'LKH' 888-88-88-88-88-88-88-88-8-8 99+99+9+9+9+9+9+9+?9+?9+?9+?9 ($_=3333333)&&m|(3)(3)(3)(3)*|&&...
C, 8 solutions Standard C, no extensions. 1 solution snippet per line: "llll"[3]^33^333 4*4*4*4 5555-555-555-555-555-555-555-555-555-555-55-55-55-55-55-5-5-5-7-7 6666/26 (int){8<...
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...
JavaScript, 11 solutions !``<<!``<<!``<<!``<<!``<<!``<<!``<<!``<<!`` TIO 2**2**2*2**2**2 TIO 55555555555555555555555555555555555555555555555...
Japt, 10 11 13 15 solutions 256 Works as you would expect. 8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8 Subtracting negative numbers. 4**4...
Challenge Write as many functions, programs, or snippets of code, that result in 256. Your score is the number of separate solutions submitted in an answer. The challenge? The characters used in ...
Japt -h, 12 bytes à kÈäÎdÄÃmÊñ Try it à kÈäÎdÄÃmÊñ :Implicit input of array à :Combinations k :Remove elements that return true È :When pass...
C (gcc), 32 bytes f(a,b){return a>0?f(b,a-b)+1:0;} Try it online!
Shakespeare Programming Language, 184 bytes ,.Ajax,.Puck,.Act I:.Scene I:.[Enter Ajax and Puck]Scene V:.Puck:Open mind!Be you worse zero?If soLet usScene L!Remember you!Let usScene V!Scene L:.Puck...
Bash, 3 bytes rev Try it online! Less boring: Bash, 8 bytes tac -rs. Try it online!
C (gcc), 34 bytes f(char*s){*s&&f(s+1)^putchar(*s);} Try it online! Alternative: C (gcc), 35 bytes f(s){read(0,&s,1)&&f()^putchar(s);} Try it online! Alternative ...
