Posts by Shaggy
Challenge A catalogue type challenge that simply asks: Given an integer n (where n>=0) as input return a truthy value if n is a perfect square or a falsey value if not. Rules You may take...
Challenge Given a list of unique colour names as input, sort them in the order that they first appear in Joseph's Amazing Technicolour Dreamcoat. Example Input: green, blue, red, brown Outpu...
Challenge Given an integer n>=4 as input create an ASCII art "prison door"* measuring n-1 characters wide and n characters high, using the symbols from the example below. Example ╔╦╗ ╠╬╣ ...
Japt, 11 10 bytes >0©ÒßUÉ/°T Try it >0©ÒßUÉ/°T :Implicit input of integer U >0 :Greater than 0? © :Logical AND with Ò :Negate the bitwise ...
Japt, 27 Solutions This started out as a collaboration with Quintec but quickly got very out of hand! Posted with their permission. More solutions to follow. Hopefully! 256 Try it Just the b...
Inspired by this challenge. If anyone has any suggestions for a song title I could use for the challenge title then please leave a comment. Definition We define f(x) for a given integer as the su...
Japt -x, 6 5 bytes Ë*VpE Try it Ë*VpE :Implicit input of array U and float V Ë :Map each element D at 0-based index E * : Multiply D by VpE : V raised to the pow...
JavaScript (V8), 44 bytes a=>a.map((a,x)=>a.map((n,y)=>n&&print(x,y))) Try it online!
JavaScript, 28 bytes f=n=>n-1&&-~f(n%2?n*3+1:n/2) Try it online!
Japt, 3 bytes e¡g Try it e¡g :Implicit input of array U e :Is equal to ¡ :Map U g : First element of U
Japt -h, 19 18 bytes Gõ ñ@ìX xg#5#}4s3 Try it Gõ ñ@ìX xg#5#}4s3 :Implicit input of integer U G :16 õ :Range [1,G] ñ :Sor...
Python, 45 bytes I am not a Python guy at all, so I'm quite proud of this. I'm sure, though, there's something simple I could be doing to save myself a few bytes! lambda n:int(n,int(max("1"+n),...
Japt -x, 6 5 bytes Takes input as an array of integers p!UdÍ Try it p!UdÍ :Implicit input of array U p :Push ! : Logical NOT of Ud : Any true (not zero) when ...
Japt, 610 606 bytes Don't think there's anything more that can be done with it than this. 933î`'T°s ߦg, d e sÒy v Did gy d g½e e °¼; A¥ Úßy ØÀ e Þgov, A e Ú ÎÈs tg¼.0"BeØ ...
Rockstar, 76 bytes Takes individual integers as input. listen to f let n be f o's1 while n let o be o and n is f listen to n say o Try it (Code and input will need to be added manually...
Japt, 4 bytes P1 is: +"+U Try it Which outputs P2, where N1 is the input from P1: N1+U Try it
Japt -R, 16 15 14 bytes pÔ¬Ëú°EDùEÃÆpÔ Try it pÔ¬Ëú°EDùEÃÆpÔ :Implicit input of string p :Append Ô : Reverse ¬ :Split Ë ...
Japt -N, 9 bytes ¨T©ÒßVVnU Try it ¨T©ÒßVVnU :Implicit input of integers U & V ¨ :U is >= T : 0 © :Logical AND with Ò :Negate the...
JavaScript, 20 bytes Outputs false for truthy and true for falsey. a=>a.some(x=>x-a[0]) Try it online! Outputs true and false as normal. a=>new Set(a).size<2 Try it online!
Japt, 17 bytes Needs some more work. É?[U]cßÂUp½+Uu:1ì Try it If there's a proof that the length of the sequence for any given n never exceeds n**3 then ... Japt, 14 bytes NcU³Æ=Âp½+UuÃâ ...
JavaScript, 25 bytes The function is called with f(g)(n), where g is a function. g=>h=n=>n-1?g(h(n-1),n):1 Try it online!
Japt, 4 bytes Takes the operator as a string but would also work without modification using a function by assigning it to variable V. That can be done in the header by leaving a blank line and the...
Rockstar, cracked by Hakerh400, 126 bytes I never thought of languages that would ignore everything except the strings - I should have stated that the solution should be irreducible. Hakerh400 get...
Cracks Mark Girrafe's answer: Rust fn main(){print!("Cops and Robbers")} Try it online!
Cracks Mark Girrafe's answer: F# printfn"Cops and Robbers" Try it online!
