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 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 Calendar 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 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 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 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 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 Calendar 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 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 3rd GolfingSuccess 🇬🇷 0 6 268ms 14 May 2025 3rd kg583 🇺🇸 0 6 261ms 14 May 2025 5th Natanaelel 🇸🇪 0 7 435ms 2 May 2025 5th 2bular 0 7 448ms 2 May 2025 5th Shanethegamer 🇺🇸 0 7 461ms 30 May 2025 8th ovs-code 🇩🇪 0 8 443ms 12 Oct 2025 9th GolfingSuccess 🇬🇷 0 13 147ms 8 May 2025 9th Shanethegamer 🇺🇸 0 13 141ms 30 May 2025 11th saito-ta 🇯🇵 0 17 84ms 9 May 2025 11th ovs-code 🇩🇪 0 17 3ms 12 Oct 2025 11th 2bular 0 17 4ms 12 Oct 2025 11th SirBogman 🇺🇸 0 17 4ms 12 Oct 2025 15th GolfingSuccess 🇬🇷 0 19 83ms 25 Nov 2024 15th pardouin 🇫🇷 0 19 100ms 25 Feb 2025 15th MeWhenI 🇻🇦 0 19 85ms 8 May 2025 15th emgordon154 0 19 92ms 16 days ago 19th GolfingSuccess 🇬🇷 0 24 9ms 24 Mar 2025 20th Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 21st Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 21st Natanaelel 🇸🇪 0 27 7ms 8 May 2025 21st saito-ta 🇯🇵 0 27 4ms 8 May 2025 21st Natanaelel 🇸🇪 0 27 5ms 11 May 2025 25th bitsandbeyond 🇳🇱 0 30 276ms 20 Oct 2025 25th 2bular 0 30 40ms 22 days ago 25th ovs-code 🇩🇪 0 30 37ms 22 days ago 28th Natanaelel 🇸🇪 0 31 241ms 8 May 2025 29th Shanethegamer 🇺🇸 0 32 115ms 26 Nov 2024 29th DialFrost 🇸🇬 0 32 191ms 24 Feb 2025 31st Shanethegamer 🇺🇸 0 33 35ms 9 Dec 2024 31st stefangimmillaro 0 33 34ms 24 Jan 2025 31st radarek 🇵🇱 0 33 36ms 17 Feb 2025 31st DialFrost 🇸🇬 0 33 36ms 24 Feb 2025 31st error256 0 33 33ms 12 Apr 2025 31st MeWhenI 🇻🇦 0 33 36ms 15 Apr 2025 31st Natanaelel 🇸🇪 0 33 35ms 2 May 2025 31st sean-niemann 🇺🇸 0 33 35ms 8 May 2025 31st GolfingSuccess 🇬🇷 0 33 36ms 8 May 2025 40th SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 41st emgordon154 0 36 34ms 9 May 2025 42nd error256 0 40 1,188ms 12 Apr 2025 42nd Shanethegamer 🇺🇸 0 40 1,141ms 30 Apr 2025 42nd sean-niemann 🇺🇸 0 40 1,093ms 8 May 2025 42nd GolfingSuccess 🇬🇷 0 40 966ms 8 May 2025 46th GolfingSuccess 🇬🇷 0 41 17ms 8 Aug 2025 47th ovs-code 🇩🇪 0 42 91ms 30 May 2025 48th sean-niemann 🇺🇸 0 43 9ms 8 May 2025 48th targrik 0 43 8ms 3 Sep 2025 50th Shanethegamer 🇺🇸 0 44 11ms 10 Dec 2024 50th DialFrost 🇸🇬 0 44 15ms 24 Feb 2025 50th rucin93 🇵🇱 0 44 11ms 24 Feb 2025 50th error256 0 44 11ms 12 Apr 2025 50th GolfingSuccess 🇬🇷 0 44 9ms 8 May 2025 50th GolfingSuccess 🇬🇷 0 44 12ms 8 May 2025 50th Natanaelel 🇸🇪 0 44 11ms 8 May 2025 50th sean-niemann 🇺🇸 0 44 11ms 8 May 2025 50th edsrzf 🇳🇿 0 44 10ms 10 May 2025 50th 4atj 0 44 11ms 8 Jun 2025 50th lukegustafson 🇺🇸 0 44 12ms 16 Jun 2025 50th JOrE20 🇺🇸 0 44 12ms 2 days ago 62nd Andrey-Plotnikov 0 45 11ms 10 Jan 2025 62nd saito-ta 🇯🇵 0 45 543ms 10 May 2025 62nd GolfingSuccess 🇬🇷 0 45 80ms 14 May 2025 62nd XenThe 🇬🇧 0 45 11ms 15 Jul 2025 62nd smclaughlin-cf 0 45 12ms 14 Oct 2025 67th Shanethegamer 🇺🇸 0 46 254ms 26 Nov 2024 67th kg583 🇺🇸 0 46 409ms 1 Dec 2024 67th Shanethegamer 🇺🇸 0 46 403ms 10 Dec 2024 67th GolfingSuccess 🇬🇷 0 46 425ms 30 Dec 2024 67th pardouin 🇫🇷 0 46 362ms 24 Feb 2025 67th Shanethegamer 🇺🇸 0 46 9ms 30 Apr 2025 67th GolfingSuccess 🇬🇷 0 46 7ms 8 May 2025 67th rucin93 🇵🇱 0 46 9ms 11 May 2025 75th lifthrasiir 🇰🇷 0 47 353ms 11 Dec 2024 1–75 of 214 Next Last