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 220th LostSyntax21 🇬🇧 837 77 18ms 14 days ago 220th scpchicken 🇵🇼 837 77 18ms 12 days ago 220th Andrey2001 837 77 19ms 11 days ago 220th guilhem-roy 🇫🇷 837 77 17ms 11 days ago 220th jameswmccarty 837 77 19ms 10 days ago 220th mantaslu 🇱🇹 837 77 18ms 10 days ago 220th snoozingnewt 🇨🇦 837 77 19ms 9 days ago 220th firegene 🇮🇪 837 77 19ms 9 days ago 220th Pyroan 837 77 19ms 6 days ago 220th retrohun 837 77 183ms 6 days ago 220th madeforlosers 837 77 19ms 5 days ago 220th klixel 🇨🇦 837 77 19ms 4 days ago 220th dokutan 837 77 18ms 2 days ago 220th flekAI 837 77 147ms 11 hours ago 255th MeWhenI 🇻🇦 836 80 106ms 12 days ago 256th kg583 🇺🇸 835 86 23ms 2 Oct 2025 257th edsrzf 🇳🇿 835 96 32ms 19 days ago 257th Steffan153 🇫🇮 835 96 30ms 13 days ago 259th anter69 🇭🇺 834 47 1,210ms 4 Feb 2026 259th emgordon154 834 47 1,221ms 9 days ago 261st edsrzf 🇳🇿 834 100 145ms 9 May 2025 262nd MeWhenI 🇻🇦 834 118 321ms 16 days ago 263rd Steffan153 🇫🇮 833 47 6ms 11 days ago 264th edsrzf 🇳🇿 833 62 140ms 18 days ago 265th GolfingSuccess 🇬🇷 833 70 15ms 11 days ago 265th rucin93 🇵🇱 833 70 15ms 7 days ago 267th ovs-code 🇩🇪 833 71 139ms 17 days ago 268th Lv0Sys 🇵🇱 833 81 437ms 17 days ago 269th ovs-code 🇩🇪 831 76 3ms 10 May 2025 270th GolfingSuccess 🇬🇷 830 86 2,109ms 9 Mar 2026 270th Steffan153 🇫🇮 830 86 2,054ms 12 days ago 272nd Yax42 🇫🇷 830 92 63ms 19 days ago 273rd Lv0Sys 🇵🇱 829 52 13ms 17 days ago 274th edsrzf 🇳🇿 829 90 20ms 5 days ago 275th GolfingSuccess 🇬🇷 827 49 797ms 18 days ago 276th madex 🇩🇪 827 70 485ms 15 days ago 277th stefangimmillaro 827 119 328ms 12 days ago 278th solisolu 826 78 41ms 10 Nov 2025 278th Alex-x90 🇺🇸 826 78 19ms 17 hours ago 280th roelderickx 825 104 61ms 10 days ago 281st edsrzf 🇳🇿 825 106 37ms 12 days ago 282nd kg583 🇺🇸 824 109 42ms 3 Mar 2026 282nd GolfingSuccess 🇬🇷 824 109 43ms 3 Mar 2026 282nd edsrzf 🇳🇿 824 109 43ms 18 days ago 282nd Steffan153 🇫🇮 824 109 43ms 12 days ago 286th error256 823 59 68ms 13 Jan 2026 287th vang1ong7ang 823 101 149ms 4 days ago 288th emgordon154 820 59 6ms 11 days ago 289th sean-niemann 🇺🇸 820 62 177ms 19 May 2025 290th Natanaelel 🇸🇪 820 77 3ms 11 May 2025 290th emgordon154 820 77 4ms 9 days ago 292nd sean-niemann 🇺🇸 820 87 42ms 9 May 2025 293rd GrayJoKing 🇦🇺 820 91 20ms 7 days ago 293rd Steffan153 🇫🇮 820 91 18ms 7 days ago 295th CaedenHarper 🇨🇦 820 120 352ms 19 days ago 296th emplv 🇱🇻 819 67 9ms 15 days ago 297th MeWhenI 🇻🇦 817 48 1,252ms 12 days ago 298th albanian-laundromat 🇺🇸 817 107 85ms 9 days ago 299th edsrzf 🇳🇿 816 64 66ms 11 days ago 300th plcc0 816 66 506ms 17 days ago 301st DialFrost 🇸🇬 816 69 1,070ms 6 days ago 302nd albanian-laundromat 🇺🇸 815 48 4ms 11 days ago 303rd BREMAUCY 🇫🇷 815 79 19ms 19 days ago 303rd mishak-sys 815 79 418ms 17 days ago 303rd KatieLG 🇬🇧 815 79 18ms 12 days ago 303rd ZakkkkAttackkkk 🇵🇭 815 79 45ms 6 days ago 307th fantaize 815 102 146ms 10 Mar 2026 307th madex 🇩🇪 815 102 156ms 17 days ago 309th emgordon154 813 83 416ms 12 days ago 310th emgordon154 812 94 65ms 9 days ago 310th snyderek 🇺🇸 812 94 61ms 30 hours ago 312th stefangimmillaro 812 116 44ms 12 days ago 313th error256 811 88 3,067ms 14 Jan 2026 313th IanUtley 811 88 2,900ms 16 Jan 2026 315th emgordon154 811 92 18ms 11 days ago 316th error256 810 50 4,622ms 15 Jan 2026 317th edsrzf 🇳🇿 810 72 9ms 18 days ago 318th MeWhenI 🇻🇦 809 55 50ms 19 days ago 319th DialFrost 🇸🇬 809 78 3ms 10 May 2025 319th madex 🇩🇪 809 78 3ms 16 days ago First Prev 241–320 of 575 Next Last