Collatz in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 600th zygoloid 902 94 66ms 5 Aug 2024 602nd TobyBoyne 🇬🇧 901 74 28ms 4 May 2022 602nd RDShah 901 74 22ms 6 May 2022 602nd Indivicivet 901 74 20ms 9 May 2022 602nd CedricGebistorf 901 74 18ms 9 May 2022 602nd ophact 901 74 22ms 11 May 2022 602nd ImpressedByRocks 901 74 22ms 17 May 2022 602nd LHuitre 901 74 20ms 2 Jun 2022 602nd neihousaigaai 901 74 19ms 8 Jun 2022 602nd rowboat1 901 74 21ms 10 Jun 2022 602nd inverseLorentz 🇦🇺 901 74 22ms 13 Jun 2022 602nd yzhs 🇩🇪 901 74 21ms 16 Jun 2022 602nd clementblaudeau 901 74 24ms 29 Jun 2022 602nd adoxography 901 74 20ms 13 Jul 2022 602nd Attero 🇸🇪 901 74 28ms 20 Jul 2022 602nd Heathcorp 🇦🇺 901 74 27ms 27 Jul 2022 602nd jfallon1997 901 74 20ms 11 Aug 2022 602nd VictorFordham 901 74 24ms 26 Aug 2022 602nd georgehulme 901 74 20ms 1 Sep 2022 602nd smartiel 901 74 22ms 15 Sep 2022 602nd trist224 🇫🇷 901 74 19ms 21 Sep 2022 602nd Kloppermand 🇩🇰 901 74 27ms 7 Oct 2022 602nd knutae 🇳🇴 901 74 22ms 9 Oct 2022 602nd Troon 901 74 21ms 14 Oct 2022 602nd MaxElf999 901 74 21ms 14 Oct 2022 602nd jakobkordez 🇸🇮 901 74 20ms 19 Oct 2022 602nd Fishron 901 74 21ms 29 Nov 2022 602nd SniperSmiley 🇺🇸 901 74 23ms 6 Dec 2022 602nd elephantpanda 901 74 20ms 10 Dec 2022 602nd ArthurBond 901 74 21ms 19 Dec 2022 602nd ItsMeNoobieboy 901 74 20ms 20 Dec 2022 602nd Larspolo 901 74 24ms 25 Dec 2022 602nd dcc5480 901 74 21ms 12 Jan 2023 602nd Ripick 901 74 20ms 1 Feb 2023 602nd m3nt0ras 🇬🇷 901 74 20ms 3 Feb 2023 602nd Skwerl23 901 74 20ms 5 Feb 2023 602nd frankgraziano 901 74 21ms 19 Feb 2023 602nd KenanHanke 901 74 20ms 21 Feb 2023 602nd DanielPeterssonAI 901 74 21ms 13 Mar 2023 602nd jiaminglimjm 🇲🇾 901 74 20ms 20 Mar 2023 602nd ejini6969 901 74 20ms 22 Mar 2023 602nd GulgDev 901 74 24ms 22 Mar 2023 602nd vrnprkh 901 74 29ms 30 Mar 2023 602nd RuyiLi 901 74 20ms 1 Apr 2023 602nd StardustGogeta 901 74 24ms 7 May 2023 602nd zbreit 🇺🇸 901 74 21ms 7 May 2023 602nd kyleclaassen 901 74 20ms 20 May 2023 602nd mbittner20 901 74 19ms 27 May 2023 602nd tweska 🇳🇱 901 74 23ms 5 Jun 2023 602nd rollershutter 901 74 21ms 7 Jul 2023 602nd 2011-Chan-Ethan 901 74 19ms 9 Jul 2023 602nd cros107 🇦🇺 901 74 28ms 11 Aug 2023 602nd yourlefthandman 901 74 22ms 16 Aug 2023 602nd daisyyedda 901 74 22ms 17 Aug 2023 602nd cesarm4 901 74 20ms 29 Aug 2023 602nd midnattssol 🇸🇪 901 74 20ms 22 Sep 2023 602nd snoozingnewt 🇺🇸 901 74 19ms 23 Sep 2023 602nd lambda-abstraction 901 74 20ms 21 Oct 2023 602nd levavft 901 74 21ms 26 Oct 2023 602nd Buecherfresser 901 74 23ms 22 Nov 2023 602nd anarconic 901 74 61ms 8 Dec 2023 602nd azure-blondon 901 74 20ms 11 Dec 2023 602nd kurkale6ka 901 74 24ms 20 Dec 2023 602nd Dataen 901 74 19ms 10 Jan 2024 602nd Anonymousellama21 901 74 29ms 14 Mar 2024 602nd Bmrl7 901 74 21ms 23 Mar 2024 602nd cefqrn 901 74 20ms 26 May 2024 602nd drochom 901 74 18ms 18 Jun 2024 602nd hiichbindermax 901 74 30ms 22 Jun 2024 602nd wuzekai518 901 74 30ms 9 Jul 2024 602nd madex 🇩🇪 901 74 27ms 9 Jul 2024 602nd cykim8811 901 74 49ms 11 Jul 2024 602nd imelxr 🇮🇱 901 74 27ms 17 Aug 2024 602nd EnTerr 901 74 28ms 25 Aug 2024 602nd Mabeloid 🇳🇴 901 74 24ms 1 Sep 2024 First Prev 601–675 of 3,424 Next Last
