Gray Code Encoder in all languages in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 240th Steffan153 🇫🇮 879 50 956ms 10 days ago 240th edsrzf 🇳🇿 879 50 943ms 10 days ago 240th GolfingSuccess 🇬🇷 879 50 1,020ms 9 days ago 244th tomh1012 879 67 429ms 8 days ago 245th sean-niemann 🇺🇸 879 102 286ms 8 May 2025 245th Shanethegamer 🇺🇸 879 102 307ms 8 May 2025 245th edsrzf 🇳🇿 879 102 295ms 9 May 2025 245th GolfingSuccess 🇬🇷 879 102 306ms 9 May 2025 245th CaedenHarper 🇨🇦 879 102 301ms 10 days ago 245th fuzzylojik-golf 🇺🇸 879 102 292ms 8 days ago 245th emgordon154 879 102 274ms 7 days ago 245th Steffan153 🇫🇮 879 102 284ms 5 days ago 245th MeWhenI 🇻🇦 879 102 287ms 5 days ago 254th DialFrost 🇸🇬 877 52 424ms 17 Feb 2025 254th CaedenHarper 🇨🇦 877 52 472ms 11 days ago 254th HumanoidCPU 877 52 394ms 7 days ago 254th plcc0 877 52 456ms 6 days ago 258th pardouin 🇫🇷 877 60 2,725ms 15 Feb 2026 258th emgordon154 877 60 2,620ms 7 days ago 258th edsrzf 🇳🇿 877 60 2,595ms 7 days ago 258th fuzzylojik-golf 🇺🇸 877 60 2,673ms 7 days ago 258th Steffan153 🇫🇮 877 60 2,607ms 25 hours ago 263rd kumavale 875 81 170ms 26 Nov 2025 264th GolfingSuccess 🇬🇷 874 46 7ms 8 May 2025 264th edsrzf 🇳🇿 874 46 7ms 8 days ago 264th madex 🇩🇪 874 46 8ms 4 days ago 264th Steffan153 🇫🇮 874 46 7ms 24 hours ago 268th Shanethegamer 🇺🇸 874 54 69ms 12 Dec 2024 268th error256 874 54 66ms 12 Apr 2025 268th GolfingSuccess 🇬🇷 874 54 71ms 9 days ago 268th fuzzylojik-golf 🇺🇸 874 54 68ms 7 days ago 268th edsrzf 🇳🇿 874 54 70ms 6 days ago 268th Steffan153 🇫🇮 874 54 71ms 23 hours ago 274th kg583 🇺🇸 873 71 27ms 1 Dec 2024 274th CLOStrophobic 🇮🇹 873 71 13ms 18 Jan 2025 274th GolfingSuccess 🇬🇷 873 71 14ms 7 May 2025 274th edsrzf 🇳🇿 873 71 14ms 8 May 2025 274th AlephSquirrel 873 71 13ms 9 May 2025 274th Steffan153 🇫🇮 873 71 14ms 22 hours ago 280th LukeBridges 🇬🇧 871 47 11ms 8 days ago 281st lukechampine 870 103 301ms 7 Jun 2025 281st chris124567 870 103 294ms 8 Jun 2025 281st albanian-laundromat 870 103 270ms 16 Dec 2025 284th emplv 🇱🇻 869 52 128ms 27 hours ago 285th sean-niemann 🇺🇸 869 80 455ms 8 May 2025 285th Steffan153 🇫🇮 869 80 500ms 25 hours ago 287th msbranicky 867 67 16ms 5 days ago 288th Shanethegamer 🇺🇸 867 68 145ms 26 Nov 2024 288th sean-niemann 🇺🇸 867 68 131ms 8 May 2025 288th edsrzf 🇳🇿 867 68 113ms 25 May 2025 288th GolfingSuccess 🇬🇷 867 68 110ms 9 days ago 288th Steffan153 🇫🇮 867 68 104ms 6 days ago 293rd JDiLenarda 🇫🇷 864 65 1,347ms 7 days ago 294th emgordon154 864 82 165ms 14 Feb 2026 294th edsrzf 🇳🇿 864 82 167ms 6 days ago 294th stefangimmillaro 864 82 162ms 15 hours ago 297th lyphyser 863 43 53ms 6 days ago 298th GolfingSuccess 🇬🇷 863 61 2,438ms 8 May 2025 298th madex 🇩🇪 863 61 2,421ms 11 days ago 300th Shanethegamer 🇺🇸 863 75 95ms 26 Nov 2024 300th sean-niemann 🇺🇸 863 75 105ms 8 May 2025 300th HumanoidCPU 863 75 110ms 7 days ago 300th MeWhenI 🇻🇦 863 75 102ms 5 days ago 300th Steffan153 🇫🇮 863 75 116ms 21 hours ago 305th edsrzf 🇳🇿 863 85 17ms 9 May 2025 305th error256 863 85 18ms 10 May 2025 307th Steffan153 🇫🇮 862 76 7ms 15 hours ago 307th GolfingSuccess 🇬🇷 862 76 8ms 14 hours ago 307th edsrzf 🇳🇿 862 76 7ms 10 hours ago 310th Shanethegamer 🇺🇸 861 72 27ms 9 Dec 2024 311th edsrzf 🇳🇿 861 78 425ms 6 days ago 311th Steffan153 🇫🇮 861 78 424ms 22 hours ago 313th Natanaelel 🇸🇪 860 32 37ms 8 days ago 314th dokutan 860 53 426ms 15 Aug 2025 314th MeWhenI 🇻🇦 860 53 360ms 21 Nov 2025 314th albanian-laundromat 860 53 467ms 15 Jan 2026 314th AlephSquirrel 860 53 383ms 10 days ago 318th ovs-code 🇩🇪 859 51 19ms 6 days ago 318th Steffan153 🇫🇮 859 51 17ms 6 days ago 320th Shanethegamer 🇺🇸 859 89 511ms 24 Sep 2025 First Prev 241–320 of 557 Next Last