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 230th KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 230th StefanHabel 🇨🇦 838 77 606ms 22 days ago 230th ahmetdemirag 🇨🇾 838 77 18ms 22 days ago 230th tomh1012 838 77 19ms 22 days ago 230th HumanoidCPU 838 77 246ms 21 days ago 230th qpwoeirut 838 77 19ms 21 days ago 230th btjones0 838 77 18ms 21 days ago 230th ComradeSquirrel 838 77 18ms 21 days ago 230th bzijlema 🇳🇱 838 77 19ms 21 days ago 230th Lv0Sys 🇵🇱 838 77 20ms 20 days ago 230th LostSyntax21 🇬🇧 838 77 18ms 17 days ago 230th scpchicken 🇵🇼 838 77 18ms 14 days ago 230th Andrey2001 838 77 19ms 14 days ago 230th guilhem-roy 🇫🇷 838 77 17ms 14 days ago 230th jameswmccarty 838 77 19ms 12 days ago 230th mantaslu 🇱🇹 838 77 18ms 12 days ago 230th snoozingnewt 🇨🇦 838 77 20ms 12 days ago 230th firegene 🇮🇪 838 77 18ms 12 days ago 230th Pyroan 838 77 19ms 9 days ago 230th retrohun 838 77 183ms 9 days ago 230th madeforlosers 838 77 19ms 8 days ago 230th klixel 🇨🇦 838 77 19ms 7 days ago 230th dokutan 838 77 18ms 4 days ago 230th flekAI 838 77 147ms 3 days ago 230th FoxInTheClouds 838 77 19ms 26 hours ago 266th MeWhenI 🇻🇦 837 118 321ms 18 days ago 267th anter69 🇭🇺 836 47 1,210ms 4 Feb 2026 267th emgordon154 836 47 1,221ms 12 days ago 269th Lv0Sys 🇵🇱 836 81 437ms 20 days ago 270th DialFrost 🇸🇬 834 96 6ms 29 hours ago 271st Steffan153 🇫🇮 833 47 6ms 14 days ago 272nd GolfingSuccess 🇬🇷 833 70 15ms 14 days ago 272nd rucin93 🇵🇱 833 70 15ms 10 days ago 274th Yax42 🇫🇷 833 92 63ms 22 days ago 275th madex 🇩🇪 832 70 485ms 18 days ago 276th ovs-code 🇩🇪 832 76 3ms 10 May 2025 277th edsrzf 🇳🇿 832 106 37ms 14 days ago 278th Lv0Sys 🇵🇱 831 52 13ms 20 days ago 279th snoozingnewt 🇨🇦 831 114 45ms 2 days ago 280th GolfingSuccess 🇬🇷 830 86 2,109ms 9 Mar 2026 280th Steffan153 🇫🇮 830 86 2,054ms 14 days ago 282nd GolfingSuccess 🇬🇷 829 49 797ms 20 days ago 283rd edsrzf 🇳🇿 829 90 22ms 8 days ago 284th stefangimmillaro 829 119 328ms 15 days ago 285th DialFrost 🇸🇬 827 71 425ms 31 hours ago 286th solisolu 827 78 41ms 10 Nov 2025 286th Alex-x90 🇺🇸 827 78 19ms 3 days ago 288th vang1ong7ang 826 101 149ms 7 days ago 289th roelderickx 825 104 61ms 13 days ago 290th albanian-laundromat 🇺🇸 825 107 85ms 12 days ago 291st emgordon154 824 59 6ms 14 days ago 292nd kg583 🇺🇸 824 109 46ms 3 Mar 2026 292nd GolfingSuccess 🇬🇷 824 109 48ms 3 Mar 2026 292nd edsrzf 🇳🇿 824 109 45ms 21 days ago 292nd Steffan153 🇫🇮 824 109 46ms 15 days ago 296th error256 823 59 68ms 13 Jan 2026 297th CaedenHarper 🇨🇦 823 120 352ms 22 days ago 298th emplv 🇱🇻 822 67 7ms 18 days ago 299th Natanaelel 🇸🇪 821 77 3ms 11 May 2025 299th emgordon154 821 77 4ms 12 days ago 301st sean-niemann 🇺🇸 820 62 177ms 19 May 2025 302nd sean-niemann 🇺🇸 820 87 42ms 9 May 2025 303rd GrayJoKing 🇦🇺 820 91 21ms 10 days ago 303rd Steffan153 🇫🇮 820 91 18ms 10 days ago 305th MeWhenI 🇻🇦 819 48 1,252ms 15 days ago 306th plcc0 818 66 506ms 20 days ago 307th fantaize 818 102 146ms 10 Mar 2026 307th madex 🇩🇪 818 102 156ms 20 days ago 309th BREMAUCY 🇫🇷 817 79 19ms 22 days ago 309th mishak-sys 817 79 418ms 20 days ago 309th KatieLG 🇬🇧 817 79 18ms 14 days ago 309th ZakkkkAttackkkk 🇵🇭 817 79 45ms 9 days ago 309th lelbal 817 79 19ms 11 hours ago 314th edsrzf 🇳🇿 816 64 66ms 14 days ago 315th DialFrost 🇸🇬 816 69 1,070ms 9 days ago 316th emgordon154 816 83 416ms 15 days ago 317th emgordon154 816 94 65ms 12 days ago 317th snyderek 🇺🇸 816 94 61ms 4 days ago 319th stefangimmillaro 816 116 44ms 14 days ago 320th albanian-laundromat 🇺🇸 815 48 4ms 14 days ago First Prev 241–320 of 624 Next Last