Nitrodon
  • Member for 4 years, 8 months
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It took me a lot of time to make this, pls like. (YouTube Comments #1)
117 votes

brainfuck, 32 bytes ,[[<]>[.>]++++++++++.,[>>]<[-]<] Try it online! The same loop is used for both halves of the pattern. Explanation: , Take first input ...

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Write a brain-flak classic interpreter!
62 votes

Brain-Flak Classic, 1271 1247 1239 bytes <>(()){<>((([][][][][])<(((({}){})(({})({}))[])({}(({})({}({})({}{}(<>)))))[])>{()<{}>}{})<{{}}{}>())}{}<>(<(({()(...

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Are the brackets fully matched?
29 votes

Brain-Flak, 204 196 190 bytes {({}<>)<>((((()()()()()){})(({}){})())({}(({})((({}){})(<()>))))())(({<({}<>[({})])>[()]{()(<{}>)}{}<>}{}()<({}<>[({})]...

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Is it double speak?
26 votes

brainfuck, 20 bytes Saved 1 byte thanks to Jo King. +>,[>,[-<->]<[<],]<. Try it online! Readable output! Takes input two characters at a time, and moves away from the 1 on ...

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Church Booleans
25 votes

Haskell, 50 - 6 = 44 bytes -1 byte thanks to Khuldraeseth na'Barya, and -1 byte thanks to Christian Sievers. t=const f=n t n=flip a=n n f o=($t) x=(n>>=) i=o.n Try it online!

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Print invisible text
21 votes

brainfuck, 18 bytes ++++++++++>,[<.>,] Try it online! Prints one newline for each byte of input. Printing spaces instead would add 4 bytes.

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A Knotty situation
20 votes

Brain-Flak, 1316 bytes (({})<({()<(({}<>))><>}){(({})[()()]<{([{}]({})<>({}<>))}{}(([({}<>)]<<>({}<>)<>((({})<<>{({}<>)&...

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The Third Flak!
20 votes

Brain-Flak, 276 bytes {({}<>)<>}<>{(((()()()()()){})((({}){})())(({})({}{}([{}])(<>))))((()()(){[()]<{}>}{}){()<{{}}>}{}<<>({}({})())>{()(<{}>)}{}...

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Hast Thou Slain the Jabberwock?
15 votes

Alice, score 7 "T/was"bri@lligandtheslithytovesdidgyreandgimbleinthewabeallmimsywe rethe ...

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Balance the Brackets
14 votes

Brain-Flak, 1350 bytes {({}(())(<>))<>({(()()()())<{({}[()])<>}{}>}{}<>({<({}[()])>{()(<{}>)}}{}{}<>))<>}<>([[]]){([[]({}()<>)]<&...

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Print the phrase "And she said, 'But that's his.'" using only the alphabet
13 votes

><>, 233 122 bytes cdacaabbglccgpcbfbbcaacdebbafbebbcebdbealbcpcdbcccdlcdpacbbalccpaalacpbcfafbaab g sandBe o Aviuth Try it online! This started as a golf of mbomb's answer, but ...

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Golf A Parentheses Matching Algorithm
13 votes

Brain-Flak Classic, 108 bytes {((((((([][][]){}){}){}()){}){}{}[])()()){{}<>{}(<>)}{}((){[](<{}>)}{}){{}<>[({}<[{}]>)](<>)}{}<>(({}()))<>} Try it ...

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Prefix Notation to Postfix Notation
13 votes

brainfuck, 32 bytes ,[[->++++<<+>]>[[-]<<[.[-]<]]>,] Try it online! I used @ as the operation, because its code point (64) is convenient. U is also possible with the ...

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r flag my Vyxal
12 votes

brainfuck, 83 bytes ,[[>+>>>++++[>]<-<<[>]<<-]>>>>[-]<[+<<<<[<]<[[->+<]<]>+[>]>-[<<[<]>+[>]>-]]<...

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Area enclosed by perimeter loop
10 votes

Brain-Flak, 112 bytes (([]){[{}]<{({}()){{}<>([{}]<([{}])>)(<>)}<>(({}[({})])[({}{})])<>}{}<>>({}<({}())>)<>([])}{})({()<({}()())>}{}) Try ...

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The prime ant 🐜
10 votes

Alice, 45 bytes /o \i@/.&wqh!]k.&[&w;;?c]dt.n$k&;[.?~:![?+!kq Try it online! Mostly straightforward implementation. Looping n times in Alice is typically done by pushing a return ...

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I'm thinking of a number (Robber's thread)
9 votes

Perl 6, by Ramillies 11 The function series($x) is simply the first 108 terms of the Taylor series for e^x evaluated at i*(x % 8*π). Since e^2πi = 1, this reduces to simply e^ix: the % 8*π serves ...

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Simple String Reflection
8 votes

Brain-Flak, 188 bytes <>((((()()()){}){}()){}){(({}[()])<({}[(((((()()()()()){}){}){})()){}{}])<>{<>(({})<({}<>({}<>))((){[()](<{}>)}{}){{}(<({}<([]<...

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Integer logarithms
8 votes

Brain-Flak, 74 bytes (({}<>)[()])({()<(({})<({([{}]()({}))([{}]({}))}{})>){<>({}[()])}{}>}[()]) Try it online! This uses the same concept as the standard Brain-Flak positive ...

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Transpile ;# into your language
8 votes

brainfuck, 126 bytes +++[->+++++<]>[->++++>+++<<],[+<++++++[-<++++>>------<]>[<]<<[>>>>>[--<--.++>]<+.-<.<<<<]&...

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Third Stirling numbers of the second kind
7 votes

Alchemist, 76 bytes _+0j->2c b+0j->3d 0j+0_+0b->j c+j+x->_+j d+j->x+b+j j+0c+0d->Out_x+Out_" "!b Try it online! Outputs nonzero values infinitely using the formula \$S(n, ...

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A Chiral Puzzle
7 votes

Alice, 25 bytes }/"regttoo { {/"lifh""@@{ Left: Normal, 1/4 turn clockwise, 1/2 turn, 1/4 turn counterclockwise Right: reflect across horizontal axis, down-right diagonal, vertical axis, up-right ...

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Seidel Triangle
7 votes

Brain-Flak, 66 bytes <>(())<>{({}[()]<(()[{}]<<>{(({}<>{}))<>}>)>)}{}{{}<>{({}<>)<>}}<> Try it online! Row is 0-indexed. # Push 1 (...

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Golf you a quine for great good!
7 votes

Brain-Flak, 1805 bytes (())(()()()())(())(())(()()())(())(())(()()()())(())(())(()()()())(())(()()())(()())(()()())(())(()()()())(())(())(())(())(())(()())(()()()())(()())(()()())(())(()()()())(())(()...

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Nobody knows GAU Numbers
7 votes

Brain-Flak, 166 bytes <>(((()()())({}){})())<>{({}[()]<({}({}<<>({}[()])((){[()](<()>)}{}){{}((((({})({})){}{}){}))<>(({}<({}())>){()<({}[({})])>}{})(&...

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Parse the Bookworm dictionary format
6 votes

brainfuck, 201 bytes ,[[[-<+>>>+<<]>-[---<+>]<[[-<]>>]<[-]>>[<<,>>>[-[-<++++++++++>]]++++<[->+<]-[----->-<]<]<...

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Cops and Robbers: Redacted Primality (Robbers' Thread)
6 votes

brainfuck, Jo King >>>>>+>,[>++++++[-<-------->]<+>,]<[-[█<█<]++++++++++<]>[-]>>██[>█>>█>]+[<]<<[<]>█<<+>>[...

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Easy-to-multiply numbers
6 votes

Alice, 30 bytes /Q.\d3-&+k!*?-n/ o @ \ic/*2&w~ Try it online! Outputs 1 for easy and 0 for hard. The numbers are easy to multiply if and only if the digit sum of the product equals the ...

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Is my triangle right?
6 votes

Brain-Flak, 68 bytes ({({({})({}[()])}{}<>)<>})<>({<(({}){}<>[({})])>(){[()](<{}>)}{}<>}) Try it online! Uses the observation in user202729's answer. { ...

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Cardinal Code Challenge
6 votes

Alice, 17 bytes 1/ 3< vPo</ 5} @< Outputs 1. Try it online! 5v1 }P/ o @<3 </< Outputs x. Try it online! <@ }5 /<oPv <3 /1 Outputs 5. Try it online! </< 3<@ ...

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