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Posts by m90‭

10 posts
77%
+5 −0
Challenges Keyword golfing

Python 3.7, 231 bytes class C:pass def g(): async def f():return;yield;await[3for()in()];nonlocal f if None: with lambda:3or 7and 8as q:del x elif False:raise else:assert 1is not 5 try:...

posted 3y ago by m90‭

Answer
75%
+4 −0
Challenges Find the IP address class

JavaScript, 43 bytes s=>"ABCDE"[Math.log2(s.slice(0,3)^255|8)^7] Try it online! Taking the first 3 characters of the string is always enough to include the first octet, while including at...

posted 3y ago by m90‭

Answer
75%
+4 −0
Challenges Source with the whole alphabet in order of appearance

Python, 88 bytes import abc,code,fcntl,graphlib,json,pickle,cmd,errno,heapq,re,struct,csv,pwd,xml,sys,bz2 Attempt This Online! Requires a Unix-like operating system for fcntl and pwd, and at l...

posted 2mo ago by m90‭

Answer
71%
+3 −0
Challenges Are All Elements Equal?

Python 3, 20 bytes lambda l:len({*l})<2 Try it online!

posted 3y ago by m90‭

Answer
71%
+3 −0
Challenges Can you give me half?

Python 3, 7 distinct characters, 11 bytes True/-~True Try it online!

posted 3y ago by m90‭

Answer
71%
+3 −0
Challenges 8 coexisting queens

JavaScript, 48 bytes _=>[..."41506372"].map(x=>1e8/9+10**x|0).join` ` Try it online! The string "41506372" encodes the position of the queen in each row. 1e8/9 gives 11111111.1111......

posted 2y ago by m90‭

Answer
66%
+2 −0
Challenges Word Set Square

JavaScript, 102 bytes s=>[...x=s.split``].concat(x.reverse()).reduce((l,c,i,a)=>l+` `+(a[i+1]?c+' '.repeat(i-1)+c:a.join``)) The first part creates the 'mirrored' string in an array. red...

posted 3y ago by m90‭

Answer
66%
+2 −0
Challenges 8 coexisting queens

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...

posted 2y ago by m90‭  ·  edited 2y ago by m90‭

Answer
60%
+1 −0
Challenges Guess the language! (Robbers' Thread)

Cracks Shaggy's answer: Jelly “¿×⁶ṆḶN{N=ȷṾ» Try it online!

posted 3y ago by m90‭

Answer
60%
+1 −0
Challenges Find n Niven Numbers

x86-64 machine code, 36 bytes 31 C0 8D 48 0A FF C0 50 99 89 17 48 F7 F1 01 17 99 85 C0 75 F6 58 50 F7 37 58 85 D2 75 E7 AB FF CE 75 E2 C3 Try it online! Following the standard calling conventi...

posted 2y ago by m90‭

Answer