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Languages made specifically for a challenge after it was published This is the general problem with allowing languages newer than the challenge. This is already considered a standard loophole, and...
Background While we do have a "Hello, World!" challenge, we still don't have one regarding input. So let's do one! Challenge Create a program that takes an input (not as a function argument) the...
C (clang), 210 198 183 bytes i,j,k,l;s(v,w,x,y,z){printf("%s",v);for(;w<x;w++){printf("%s",y);}puts(z);}main(){scanf("%i",&i);l=i-3;s("╔",j,l,"╦","╗");for(j=0;j<i-2;j++){s("╠",k,l,"╬",...
Lua's not really used much in golfing, so it'd be pretty cool to learn some golfing tricks when making answers using it. What golfing tips are there for Lua?
Python 3, 29 bytes import numpy numpy.linalg.det Yeah, this is really boring, but I'm curious if this can be beat in Python. Try it online!
Sclipting, (UTF-16) 18 bytes 낆녬닆묬긅덯댦롤긐 Since it hasn't been added yet.
Java (JDK), 134 123 118 bytes interface M{static void main(String[]a){System.out.print("Hello, "+new java.util.Scanner(System.in).nextLine()+"!");}} Try it online! Golfed 5 bytes thanks to @...
C (clang), 116 102 bytes j,k;f(i){for(j=i;j--;printf("#"));for(j=i-1;j--;printf("#"))for(k=i-2,printf("\n#");k--;printf(" "));} Try it online! Sometimes, it's better to use functions when yo...
Remove print's parentheses when it's a single string print strangely works without parentheses, however, it only applies to single strings. In other words, it can't do the same for other variables...
jq --null-input --raw-output, 15 bytes "Hello, World!" Try it online! They kept saying that jq is the language of September 2021. Still surprised no one even made a Hello, World! on it.
I'm bored. Let's do something. lmao While I was Somewhere Else, I went to make suggestions for designs on their sites, and no impact really occured. However, since I'm now a Codidactian (not a Cod...
C (clang), 206 bytes main(i){char*s="YWUSQOMKIGECABDFHJLNPRTVXZ";for(i=13;i>0;printf("%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",s[-1+i],s[0+i],s[1+i],s[2+i],s[3+i],s[4+i],s[5+i],s[6+i],s[7+i],s[8+i],s[...
Convenient whitespace removal Here are instances where you can remove whitespace: Strings If you assigned or printed a string, then the next supposed line of code can lean on the right double-qu...
Lua, 51 bytes P1: print("print(tonumber(io.read())+"..io.read()..")") Try it online! P2 (given I inputted 10, 29 bytes): print(tonumber(io.read())+10) Try it online!
Lua, 41 40 bytes x=0 y=1while""do print(x)x=x+y y=y+2 end Try it online!
Libraries are removed when "merge variants" is on. For example, this answer written in C (clang) uses a library called BMPL, so its header is C (clang) + BMPL. While there's nothing wrong with usin...
Ruby, 75 bytes ->t,u{g=->a{a.reduce{-2*_1+_2}};('%b'%(g[t]+g[u]+(y=43690)^y)).to_i.digits} Try it online! Uses latest ruby features, so tio link will look different. Takes two digit a...
JavaScript, 26 bytes Outputs the nth term, 0-indexed. f=n=>n<2?n:f(--n)*2+f(--n) Try it online! JavaScript, 49 bytes Outputs the first n terms as a comma delimited string. f=n=>...
