Gray Code Encoder in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st namelessiw 0 5 160ms 13 Oct 2025 1st Shanethegamer 🇺🇸 0 5 442ms 20 Oct 2025 1st GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 4th GolfingSuccess 🇬🇷 0 6 255ms 14 May 2025 4th kg583 🇺🇸 0 6 259ms 14 May 2025 6th Natanaelel 🇸🇪 0 7 435ms 2 May 2025 6th 2bular 0 7 429ms 2 May 2025 6th Shanethegamer 🇺🇸 0 7 461ms 30 May 2025 9th ovs-code 🇩🇪 0 8 424ms 12 Oct 2025 10th GolfingSuccess 🇬🇷 0 13 147ms 8 May 2025 10th Shanethegamer 🇺🇸 0 13 141ms 30 May 2025 12th saito-ta 🇯🇵 0 17 83ms 9 May 2025 12th ovs-code 🇩🇪 0 17 3ms 12 Oct 2025 12th 2bular 0 17 4ms 12 Oct 2025 12th SirBogman 🇺🇸 0 17 4ms 12 Oct 2025 12th GolfingSuccess 🇬🇷 0 17 84ms 13 Dec 2025 17th GolfingSuccess 🇬🇷 0 18 6ms 13 Dec 2025 18th pardouin 🇫🇷 0 19 87ms 25 Feb 2025 18th MeWhenI 🇻🇦 0 19 86ms 8 May 2025 18th emgordon154 0 19 89ms 22 Nov 2025 21st Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 22nd Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 22nd Natanaelel 🇸🇪 0 27 7ms 8 May 2025 22nd saito-ta 🇯🇵 0 27 4ms 8 May 2025 22nd Natanaelel 🇸🇪 0 27 4ms 11 May 2025 26th bitsandbeyond 🇳🇱 0 30 354ms 20 Oct 2025 26th 2bular 0 30 40ms 16 Nov 2025 26th ovs-code 🇩🇪 0 30 37ms 16 Nov 2025 26th IISResetMe 0 30 371ms 60 mins ago 30th Natanaelel 🇸🇪 0 31 217ms 8 May 2025 31st Shanethegamer 🇺🇸 0 32 132ms 26 Nov 2024 31st DialFrost 🇸🇬 0 32 213ms 24 Feb 2025 33rd Shanethegamer 🇺🇸 0 33 39ms 9 Dec 2024 33rd stefangimmillaro 0 33 37ms 24 Jan 2025 33rd radarek 🇵🇱 0 33 38ms 17 Feb 2025 33rd DialFrost 🇸🇬 0 33 37ms 24 Feb 2025 33rd error256 0 33 37ms 12 Apr 2025 33rd MeWhenI 🇻🇦 0 33 35ms 15 Apr 2025 33rd Natanaelel 🇸🇪 0 33 40ms 2 May 2025 33rd sean-niemann 🇺🇸 0 33 38ms 8 May 2025 33rd GolfingSuccess 🇬🇷 0 33 39ms 8 May 2025 42nd SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 43rd emgordon154 0 36 39ms 9 May 2025 44th JOrE20 🇺🇸 0 37 239ms 9 Dec 2025 45th error256 0 40 1,188ms 12 Apr 2025 45th Shanethegamer 🇺🇸 0 40 1,141ms 30 Apr 2025 45th sean-niemann 🇺🇸 0 40 1,093ms 8 May 2025 45th GolfingSuccess 🇬🇷 0 40 966ms 8 May 2025 49th GolfingSuccess 🇬🇷 0 41 17ms 8 Aug 2025 50th ovs-code 🇩🇪 0 42 91ms 30 May 2025 51st sean-niemann 🇺🇸 0 43 10ms 8 May 2025 51st targrik 0 43 9ms 3 Sep 2025 53rd Shanethegamer 🇺🇸 0 44 12ms 10 Dec 2024 53rd DialFrost 🇸🇬 0 44 12ms 24 Feb 2025 53rd rucin93 🇵🇱 0 44 15ms 24 Feb 2025 53rd error256 0 44 13ms 12 Apr 2025 53rd GolfingSuccess 🇬🇷 0 44 9ms 8 May 2025 53rd GolfingSuccess 🇬🇷 0 44 13ms 8 May 2025 53rd Natanaelel 🇸🇪 0 44 12ms 8 May 2025 53rd sean-niemann 🇺🇸 0 44 12ms 8 May 2025 53rd edsrzf 🇳🇿 0 44 9ms 10 May 2025 53rd 4atj 0 44 11ms 8 Jun 2025 53rd lukegustafson 🇺🇸 0 44 11ms 16 Jun 2025 53rd JOrE20 🇺🇸 0 44 12ms 6 Dec 2025 65th Andrey-Plotnikov 0 45 16ms 10 Jan 2025 65th saito-ta 🇯🇵 0 45 555ms 10 May 2025 65th GolfingSuccess 🇬🇷 0 45 80ms 14 May 2025 65th XenThe 🇬🇧 0 45 15ms 15 Jul 2025 65th smclaughlin-cf 0 45 12ms 14 Oct 2025 65th voytxt 🇨🇿 0 45 11ms 9 days ago 71st Shanethegamer 🇺🇸 0 46 269ms 26 Nov 2024 71st kg583 🇺🇸 0 46 452ms 1 Dec 2024 71st Shanethegamer 🇺🇸 0 46 568ms 10 Dec 2024 71st GolfingSuccess 🇬🇷 0 46 431ms 30 Dec 2024 71st pardouin 🇫🇷 0 46 369ms 24 Feb 2025 71st Shanethegamer 🇺🇸 0 46 13ms 30 Apr 2025 71st GolfingSuccess 🇬🇷 0 46 7ms 8 May 2025 71st rucin93 🇵🇱 0 46 9ms 11 May 2025 79th lifthrasiir 🇰🇷 0 47 381ms 11 Dec 2024 79th emgordon154 0 47 393ms 9 May 2025 1–80 of 227 Next Last