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 Dragon Curve 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 Dragon Curve 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 231st Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 231st KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 231st StefanHabel 🇨🇦 838 77 606ms 24 Mar 2026 231st ahmetdemirag 🇨🇾 838 77 18ms 24 Mar 2026 231st tomh1012 838 77 19ms 24 Mar 2026 231st HumanoidCPU 838 77 246ms 24 Mar 2026 231st qpwoeirut 838 77 19ms 25 Mar 2026 231st btjones0 838 77 18ms 25 Mar 2026 231st ComradeSquirrel 838 77 18ms 25 Mar 2026 231st bzijlema 🇳🇱 838 77 19ms 25 Mar 2026 231st Lv0Sys 🇵🇱 838 77 20ms 26 Mar 2026 231st LostSyntax21 🇬🇧 838 77 18ms 25 days ago 231st scpchicken 🇵🇼 838 77 18ms 23 days ago 231st Andrey2001 838 77 19ms 22 days ago 231st guilhem-roy 🇫🇷 838 77 17ms 22 days ago 231st jameswmccarty 838 77 19ms 21 days ago 231st mantaslu 🇱🇹 838 77 18ms 21 days ago 231st snoozingnewt 🇨🇦 838 77 20ms 20 days ago 231st firegene 🇮🇪 838 77 18ms 20 days ago 231st Pyroan 838 77 19ms 17 days ago 231st retrohun 838 77 183ms 17 days ago 231st madeforlosers 838 77 19ms 16 days ago 231st klixel 🇨🇦 838 77 19ms 15 days ago 231st dokutan 838 77 18ms 13 days ago 231st FoxInTheClouds 838 77 19ms 9 days ago 266th GolfingSuccess 🇬🇷 838 86 2,109ms 9 Mar 2026 266th Steffan153 🇫🇮 838 86 2,054ms 23 days ago 268th edsrzf 🇳🇿 837 90 21ms 16 days ago 269th MeWhenI 🇻🇦 836 80 113ms 24 days ago 270th error256 835 59 68ms 13 Jan 2026 271st anter69 🇭🇺 834 47 1,398ms 4 Feb 2026 271st emgordon154 834 47 1,387ms 21 days ago 273rd DialFrost 🇸🇬 834 96 6ms 9 days ago 273rd emgordon154 834 96 6ms 4 hours ago 275th edsrzf 🇳🇿 834 100 145ms 9 May 2025 276th MeWhenI 🇻🇦 834 118 321ms 27 days ago 277th Steffan153 🇫🇮 833 47 6ms 22 days ago 278th edsrzf 🇳🇿 833 62 122ms 25 Mar 2026 279th ovs-code 🇩🇪 833 71 139ms 26 Mar 2026 280th Lv0Sys 🇵🇱 833 81 437ms 26 Mar 2026 281st roelderickx 833 104 61ms 22 days ago 282nd ovs-code 🇩🇪 832 76 3ms 10 May 2025 283rd kg583 🇺🇸 832 109 45ms 3 Mar 2026 283rd GolfingSuccess 🇬🇷 832 109 46ms 3 Mar 2026 283rd edsrzf 🇳🇿 832 109 45ms 25 Mar 2026 283rd Steffan153 🇫🇮 832 109 46ms 23 days ago 287th Lv0Sys 🇵🇱 831 52 13ms 26 Mar 2026 288th sean-niemann 🇺🇸 830 87 42ms 9 May 2025 289th Yax42 🇫🇷 830 92 63ms 24 Mar 2026 290th DialFrost 🇸🇬 828 69 60ms 17 days ago 291st GolfingSuccess 🇬🇷 827 49 797ms 26 Mar 2026 292nd madex 🇩🇪 827 70 485ms 26 days ago 293rd solisolu 827 78 41ms 10 Nov 2025 293rd Alex-x90 🇺🇸 827 78 21ms 11 days ago 295th GrayJoKing 🇦🇺 827 91 20ms 19 days ago 295th Steffan153 🇫🇮 827 91 19ms 19 days ago 297th stefangimmillaro 827 119 328ms 24 days ago 298th DialFrost 🇸🇬 825 71 442ms 9 days ago 299th edsrzf 🇳🇿 825 106 37ms 23 days ago 300th sean-niemann 🇺🇸 824 62 170ms 19 May 2025 301st edsrzf 🇳🇿 823 64 66ms 23 days ago 302nd vang1ong7ang 823 101 162ms 16 days ago 303rd snoozingnewt 🇨🇦 823 114 45ms 11 days ago 304th Natanaelel 🇸🇪 821 77 3ms 11 May 2025 304th emgordon154 821 77 4ms 21 days ago 306th emgordon154 820 59 6ms 22 days ago 307th CaedenHarper 🇨🇦 820 120 352ms 24 Mar 2026 308th emplv 🇱🇻 819 67 7ms 26 days ago 309th error256 819 88 3,067ms 14 Jan 2026 309th IanUtley 819 88 2,900ms 16 Jan 2026 311th plcc0 818 66 506ms 26 Mar 2026 312th emgordon154 818 92 18ms 22 days ago 313th MeWhenI 🇻🇦 817 48 1,455ms 24 days ago 314th BREMAUCY 🇫🇷 817 79 19ms 24 Mar 2026 314th mishak-sys 817 79 418ms 26 Mar 2026 314th KatieLG 🇬🇧 817 79 18ms 23 days ago 314th ZakkkkAttackkkk 🇵🇭 817 79 45ms 17 days ago 314th lelbal 817 79 19ms 8 days ago 319th albanian-laundromat 🇺🇸 817 107 85ms 20 days ago 320th edsrzf 🇳🇿 816 72 9ms 25 Mar 2026 First Prev 241–320 of 633 Next Last