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 233rd albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 233rd anter69 🇭🇺 838 77 147ms 4 Feb 2026 233rd Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 233rd KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 233rd StefanHabel 🇨🇦 838 77 606ms 24 days ago 233rd ahmetdemirag 🇨🇾 838 77 18ms 24 days ago 233rd tomh1012 838 77 19ms 24 days ago 233rd HumanoidCPU 838 77 246ms 23 days ago 233rd qpwoeirut 838 77 19ms 23 days ago 233rd btjones0 838 77 18ms 23 days ago 233rd ComradeSquirrel 838 77 18ms 23 days ago 233rd bzijlema 🇳🇱 838 77 19ms 23 days ago 233rd Lv0Sys 🇵🇱 838 77 20ms 22 days ago 233rd LostSyntax21 🇬🇧 838 77 18ms 19 days ago 233rd scpchicken 🇵🇼 838 77 18ms 16 days ago 233rd Andrey2001 838 77 19ms 16 days ago 233rd guilhem-roy 🇫🇷 838 77 17ms 16 days ago 233rd jameswmccarty 838 77 19ms 14 days ago 233rd mantaslu 🇱🇹 838 77 18ms 14 days ago 233rd snoozingnewt 🇨🇦 838 77 20ms 14 days ago 233rd firegene 🇮🇪 838 77 18ms 14 days ago 233rd Pyroan 838 77 19ms 11 days ago 233rd retrohun 838 77 183ms 10 days ago 233rd madeforlosers 838 77 19ms 10 days ago 233rd klixel 🇨🇦 838 77 19ms 9 days ago 233rd dokutan 838 77 18ms 6 days ago 233rd flekAI 838 77 147ms 5 days ago 233rd FoxInTheClouds 838 77 19ms 2 days ago 269th GolfingSuccess 🇬🇷 838 86 2,109ms 9 Mar 2026 269th Steffan153 🇫🇮 838 86 2,054ms 16 days ago 271st Steffan153 🇫🇮 837 47 6ms 15 days ago 272nd edsrzf 🇳🇿 837 90 21ms 10 days ago 273rd MeWhenI 🇻🇦 837 118 321ms 20 days ago 274th anter69 🇭🇺 836 47 1,966ms 4 Feb 2026 274th emgordon154 836 47 1,444ms 14 days ago 276th Lv0Sys 🇵🇱 836 81 437ms 22 days ago 277th error256 835 59 68ms 13 Jan 2026 278th DialFrost 🇸🇬 834 96 6ms 3 days ago 279th Yax42 🇫🇷 833 92 63ms 24 days ago 280th roelderickx 833 104 61ms 15 days ago 281st madex 🇩🇪 832 70 485ms 19 days ago 282nd ovs-code 🇩🇪 832 76 3ms 10 May 2025 283rd edsrzf 🇳🇿 832 106 37ms 16 days ago 284th kg583 🇺🇸 832 109 46ms 3 Mar 2026 284th GolfingSuccess 🇬🇷 832 109 46ms 3 Mar 2026 284th edsrzf 🇳🇿 832 109 45ms 23 days ago 284th Steffan153 🇫🇮 832 109 46ms 16 days ago 288th Lv0Sys 🇵🇱 831 52 13ms 22 days ago 289th snoozingnewt 🇨🇦 831 114 45ms 4 days ago 290th sean-niemann 🇺🇸 830 87 42ms 9 May 2025 291st GolfingSuccess 🇬🇷 829 49 797ms 22 days ago 292nd stefangimmillaro 829 119 328ms 17 days ago 293rd DialFrost 🇸🇬 828 69 1,070ms 11 days ago 294th solisolu 828 78 41ms 10 Nov 2025 294th Alex-x90 🇺🇸 828 78 19ms 5 days ago 296th DialFrost 🇸🇬 827 71 435ms 3 days ago 297th GrayJoKing 🇦🇺 827 91 20ms 12 days ago 297th Steffan153 🇫🇮 827 91 19ms 12 days ago 299th vang1ong7ang 826 101 227ms 9 days ago 300th albanian-laundromat 🇺🇸 825 107 85ms 14 days ago 301st emgordon154 824 59 6ms 15 days ago 302nd sean-niemann 🇺🇸 824 62 170ms 19 May 2025 303rd edsrzf 🇳🇿 823 64 66ms 16 days ago 304th CaedenHarper 🇨🇦 823 120 352ms 23 days ago 305th emplv 🇱🇻 822 67 7ms 20 days ago 306th Natanaelel 🇸🇪 821 77 3ms 11 May 2025 306th emgordon154 821 77 4ms 14 days ago 308th MeWhenI 🇻🇦 819 48 1,507ms 17 days ago 308th albanian-laundromat 🇺🇸 819 48 4ms 15 days ago 310th plcc0 819 66 506ms 22 days ago 311th error256 819 88 3,067ms 14 Jan 2026 311th IanUtley 819 88 2,900ms 16 Jan 2026 313th emgordon154 818 92 18ms 15 days ago 314th fantaize 818 102 171ms 10 Mar 2026 314th madex 🇩🇪 818 102 163ms 21 days ago 316th BREMAUCY 🇫🇷 817 79 19ms 24 days ago 316th mishak-sys 817 79 418ms 22 days ago 316th KatieLG 🇬🇧 817 79 18ms 16 days ago 316th ZakkkkAttackkkk 🇵🇭 817 79 45ms 11 days ago 316th lelbal 817 79 19ms 2 days ago First Prev 241–320 of 658 Next Last