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 160th edsrzf 🇳🇿 844 70 3,044ms 2 days ago 162nd edsrzf 🇳🇿 844 71 18ms 10 days ago 162nd kg583 🇺🇸 844 71 18ms 10 days ago 162nd Steffan153 🇫🇮 844 71 17ms 5 days ago 162nd GolfingSuccess 🇬🇷 844 71 18ms 3 days ago 166th GolfingSuccess 🇬🇷 843 51 33ms 12 Jan 2026 166th sean-niemann 🇺🇸 843 51 32ms 15 Jan 2026 166th Steffan153 🇫🇮 843 51 33ms 19 Feb 2026 166th Natanaelel 🇸🇪 843 51 34ms 10 days ago 166th voytxt 🇨🇿 843 51 33ms 2 days ago 171st lukegustafson 🇺🇸 843 60 311ms 3 hours ago 172nd GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 172nd error256 843 69 410ms 12 days ago 172nd Steffan153 🇫🇮 843 69 493ms 3 days ago 172nd stefangimmillaro 843 69 398ms 2 days ago 176th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 177th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 177th error256 843 91 293ms 14 Jan 2026 177th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 177th Natanaelel 🇸🇪 843 91 311ms 10 days ago 177th edsrzf 🇳🇿 843 91 546ms 3 days ago 177th Steffan153 🇫🇮 843 91 285ms 3 days ago 183rd Steffan153 🇫🇮 842 62 56ms 3 days ago 184th edsrzf 🇳🇿 841 78 119ms 3 days ago 184th Steffan153 🇫🇮 841 78 102ms 3 days ago 186th madex 🇩🇪 840 67 9ms 8 days ago 187th stefangimmillaro 840 99 150ms 4 days ago 187th Steffan153 🇫🇮 840 99 157ms 3 days ago 189th GolfingSuccess 🇬🇷 839 70 15ms 3 days ago 190th albanian-laundromat 838 48 4ms 2 days ago 191st Steffan153 🇫🇮 838 68 487ms 3 days ago 191st edsrzf 🇳🇿 838 68 495ms 47 hours ago 193rd edsrzf 🇳🇿 837 48 818ms 10 days ago 194th DialFrost 🇸🇬 837 70 116ms 8 days ago 194th Steffan153 🇫🇮 837 70 2,152ms 3 days ago 196th Yax42 🇫🇷 836 75 4ms 10 days ago 197th error256 836 80 466ms 16 Jan 2026 198th error256 835 55 2,813ms 15 Feb 2026 199th kg583 🇺🇸 835 86 23ms 2 Oct 2025 200th edsrzf 🇳🇿 835 94 6ms 9 days ago 200th albanian-laundromat 835 94 6ms 9 days ago 200th sean-niemann 🇺🇸 835 94 6ms 4 days ago 200th Steffan153 🇫🇮 835 94 6ms 3 days ago 204th edsrzf 🇳🇿 835 96 32ms 10 days ago 204th Steffan153 🇫🇮 835 96 30ms 5 days ago 206th bitsandbeyond 🇳🇱 834 43 1,001ms 15 days ago 207th lifthrasiir 🇰🇷 834 77 192ms 11 Dec 2024 207th Shanethegamer 🇺🇸 834 77 19ms 13 Dec 2024 207th addmai 834 77 20ms 24 Jul 2025 207th hiichbindermax 834 77 17ms 17 Aug 2025 207th 5cw 🇺🇸 834 77 18ms 22 Aug 2025 207th davecame 834 77 135ms 25 Sep 2025 207th SirBogman 🇺🇸 834 77 232ms 13 Oct 2025 207th jtaxen 834 77 19ms 16 Oct 2025 207th albanian-laundromat 834 77 19ms 25 Nov 2025 207th anter69 🇭🇺 834 77 133ms 4 Feb 2026 207th Matter1024 🇮🇳 834 77 17ms 12 Feb 2026 207th KasperKivimaeki 🇫🇮 834 77 564ms 19 days ago 207th StefanHabel 🇨🇦 834 77 1,217ms 11 days ago 207th ahmetdemirag 🇨🇾 834 77 18ms 10 days ago 207th tomh1012 834 77 17ms 10 days ago 207th HumanoidCPU 834 77 230ms 10 days ago 207th qpwoeirut 834 77 19ms 10 days ago 207th btjones0 834 77 19ms 10 days ago 207th ComradeSquirrel 834 77 18ms 10 days ago 207th bzijlema 🇳🇱 834 77 18ms 9 days ago 207th Lv0Sys 🇵🇱 834 77 18ms 8 days ago 207th LostSyntax21 🇬🇧 834 77 18ms 5 days ago 207th scpchicken 🇵🇼 834 77 18ms 3 days ago 207th Andrey2001 834 77 18ms 2 days ago 207th guilhem-roy 🇫🇷 834 77 19ms 2 days ago 207th jameswmccarty 834 77 20ms 33 hours ago 207th mantaslu 🇱🇹 834 77 18ms 28 hours ago 207th snoozingnewt 🇨🇦 834 77 20ms 19 hours ago 207th firegene 🇮🇪 834 77 19ms 15 hours ago 236th GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 236th Steffan153 🇫🇮 834 117 340ms 3 days ago 238th GolfingSuccess 🇬🇷 830 86 2,109ms 25 days ago 238th Steffan153 🇫🇮 830 86 2,054ms 3 days ago 240th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 First Prev 161–240 of 492 Next Last