Gray Code Decoder 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 81st KasperKivimaeki 🇫🇮 871 72 4ms 13 days ago 81st Steffan153 🇫🇮 871 72 3ms 11 days ago 83rd Steffan153 🇫🇮 868 37 315ms 5 days ago 84th sean-niemann 🇺🇸 868 63 7ms 9 May 2025 84th rucin93 🇵🇱 868 63 7ms 10 May 2025 84th edsrzf 🇳🇿 868 63 6ms 10 May 2025 84th targrik 868 63 7ms 8 Oct 2025 84th GolfingSuccess 🇬🇷 868 63 7ms 12 Jan 2026 84th Steffan153 🇫🇮 868 63 7ms 7 days ago 90th lukegustafson 🇺🇸 868 74 189ms 9 Mar 2026 91st Natanaelel 🇸🇪 867 29 35ms 11 May 2025 91st ovs-code 🇩🇪 867 29 39ms 9 Oct 2025 93rd pardouin 🇫🇷 866 45 1,189ms 15 Feb 2026 93rd stefangimmillaro 866 45 1,255ms 12 days ago 93rd Steffan153 🇫🇮 866 45 1,228ms 6 days ago 96th kumavale 866 96 149ms 11 days ago 97th error256 865 49 312ms 14 Jan 2026 97th antimon2 🇯🇵 865 49 301ms 10 days ago 99th GolfingSuccess 🇬🇷 859 56 8ms 14 Jan 2026 99th kg583 🇺🇸 859 56 8ms 14 Jan 2026 99th edsrzf 🇳🇿 859 56 9ms 13 days ago 99th Steffan153 🇫🇮 859 56 9ms 5 days ago 103rd Steffan153 🇫🇮 858 38 260ms 6 days ago 104th GolfingSuccess 🇬🇷 857 59 194ms 12 Jan 2026 104th rucin93 🇵🇱 857 59 133ms 9 Mar 2026 104th Steffan153 🇫🇮 857 59 163ms 7 days ago 104th lukegustafson 🇺🇸 857 59 135ms 41 hours ago 108th kg583 🇺🇸 857 75 38ms 1 Dec 2024 108th hallvabo 🇳🇴 857 75 129ms 30 Dec 2024 108th Natanaelel 🇸🇪 857 75 19ms 11 May 2025 108th commandz0 🇺🇸 857 75 1,210ms 27 Aug 2025 108th GolfingSuccess 🇬🇷 857 75 19ms 11 Jan 2026 108th madex 🇩🇪 857 75 26ms 19 days ago 108th CaedenHarper 🇨🇦 857 75 149ms 16 days ago 108th fuzzylojik-golf 🇺🇸 857 75 123ms 13 days ago 108th edsrzf 🇳🇿 857 75 17ms 12 days ago 108th plcc0 857 75 20ms 12 days ago 108th zgialor-lab 857 75 25ms 12 days ago 108th ndren 857 75 19ms 11 days ago 108th CornerMercury 🇬🇧 857 75 19ms 10 days ago 108th DialFrost 🇸🇬 857 75 25ms 8 days ago 108th sean-niemann 🇺🇸 857 75 178ms 7 days ago 108th stefangimmillaro 857 75 24ms 2 days ago 124th Steffan153 🇫🇮 857 78 454ms 7 days ago 124th sean-niemann 🇺🇸 857 78 413ms 7 days ago 126th Steffan153 🇫🇮 856 60 126ms 9 days ago 127th edsrzf 🇳🇿 856 69 394ms 12 days ago 127th Steffan153 🇫🇮 856 69 393ms 5 days ago 129th error256 856 70 18ms 24 days ago 130th error256 856 114 513ms 29 Jan 2026 130th edsrzf 🇳🇿 856 114 489ms 11 days ago 132nd Steffan153 🇫🇮 855 47 6ms 5 days ago 133rd albanian-laundromat 854 54 2,287ms 18 Feb 2026 134th CornerMercury 🇬🇧 854 63 420ms 10 days ago 135th error256 854 64 4,375ms 15 Jan 2026 136th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 136th edsrzf 🇳🇿 853 66 10ms 12 days ago 136th Steffan153 🇫🇮 853 66 10ms 11 days ago 139th Steffan153 🇫🇮 851 69 7ms 5 days ago 140th Steffan153 🇫🇮 851 70 132ms 5 days ago 140th edsrzf 🇳🇿 851 70 3,044ms 5 days ago 142nd error256 849 98 155ms 16 Jan 2026 142nd edsrzf 🇳🇿 849 98 157ms 11 days ago 144th ovs-code 🇩🇪 848 46 11ms 9 days ago 144th emgordon154 848 46 11ms 8 days ago 144th Steffan153 🇫🇮 848 46 11ms 7 days ago 147th ovs-code 🇩🇪 848 50 316ms 23 Feb 2025 147th Steffan153 🇫🇮 848 50 335ms 5 days ago 149th saito-ta 🇯🇵 847 74 3ms 11 May 2025 149th error256 847 74 3ms 12 Jan 2026 151st stefangimmillaro 847 78 129ms 6 days ago 151st Steffan153 🇫🇮 847 78 129ms 5 days ago 153rd AlephSquirrel 846 76 39ms 3 Dec 2025 153rd MeWhenI 🇻🇦 846 76 586ms 21 days ago 153rd duckyluuk 🇳🇱 846 76 139ms 11 days ago 153rd emgordon154 846 76 276ms 3 days ago 157th Natanaelel 🇸🇪 845 38 41ms 8 May 2025 157th ovs-code 🇩🇪 845 38 38ms 13 Jan 2026 157th pardouin 🇫🇷 845 38 37ms 19 Feb 2026 157th stefangimmillaro 845 38 42ms 2 days ago First Prev 81–160 of 509 Next Last