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 kg583 🇺🇸 844 71 18ms 10 days ago 160th Steffan153 🇫🇮 844 71 17ms 5 days ago 160th GolfingSuccess 🇬🇷 844 71 18ms 3 days ago 164th lukegustafson 🇺🇸 843 60 309ms 25 mins ago 165th GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 165th error256 843 69 410ms 12 days ago 165th Steffan153 🇫🇮 843 69 493ms 3 days ago 165th stefangimmillaro 843 69 398ms 2 days ago 169th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 170th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 170th error256 843 91 293ms 14 Jan 2026 170th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 170th Natanaelel 🇸🇪 843 91 311ms 10 days ago 170th edsrzf 🇳🇿 843 91 546ms 3 days ago 170th Steffan153 🇫🇮 843 91 285ms 3 days ago 176th GolfingSuccess 🇬🇷 842 51 33ms 12 Jan 2026 176th sean-niemann 🇺🇸 842 51 32ms 15 Jan 2026 176th Steffan153 🇫🇮 842 51 33ms 19 Feb 2026 176th Natanaelel 🇸🇪 842 51 34ms 10 days ago 176th voytxt 🇨🇿 842 51 33ms 2 days ago 181st Steffan153 🇫🇮 842 62 56ms 3 days ago 182nd edsrzf 🇳🇿 841 78 119ms 3 days ago 182nd Steffan153 🇫🇮 841 78 102ms 3 days ago 184th madex 🇩🇪 840 67 9ms 7 days ago 185th stefangimmillaro 840 99 150ms 3 days ago 185th Steffan153 🇫🇮 840 99 157ms 3 days ago 187th GolfingSuccess 🇬🇷 839 70 15ms 3 days ago 188th albanian-laundromat 838 48 4ms 2 days ago 189th Steffan153 🇫🇮 838 68 487ms 3 days ago 189th edsrzf 🇳🇿 838 68 495ms 44 hours ago 191st edsrzf 🇳🇿 837 48 818ms 9 days ago 192nd DialFrost 🇸🇬 837 70 116ms 8 days ago 192nd Steffan153 🇫🇮 837 70 2,152ms 3 days ago 194th Yax42 🇫🇷 836 75 4ms 10 days ago 195th error256 836 80 466ms 16 Jan 2026 196th error256 835 55 2,813ms 15 Feb 2026 197th kg583 🇺🇸 835 86 23ms 2 Oct 2025 198th edsrzf 🇳🇿 835 94 6ms 9 days ago 198th albanian-laundromat 835 94 6ms 9 days ago 198th sean-niemann 🇺🇸 835 94 6ms 4 days ago 198th Steffan153 🇫🇮 835 94 6ms 3 days ago 202nd edsrzf 🇳🇿 835 96 32ms 10 days ago 202nd Steffan153 🇫🇮 835 96 30ms 5 days ago 204th bitsandbeyond 🇳🇱 834 43 1,001ms 15 days ago 205th lifthrasiir 🇰🇷 834 77 192ms 11 Dec 2024 205th Shanethegamer 🇺🇸 834 77 19ms 13 Dec 2024 205th addmai 834 77 20ms 24 Jul 2025 205th hiichbindermax 834 77 17ms 17 Aug 2025 205th 5cw 🇺🇸 834 77 18ms 22 Aug 2025 205th davecame 834 77 135ms 25 Sep 2025 205th SirBogman 🇺🇸 834 77 232ms 13 Oct 2025 205th jtaxen 834 77 19ms 16 Oct 2025 205th albanian-laundromat 834 77 19ms 25 Nov 2025 205th anter69 🇭🇺 834 77 133ms 4 Feb 2026 205th Matter1024 🇮🇳 834 77 17ms 12 Feb 2026 205th KasperKivimaeki 🇫🇮 834 77 564ms 19 days ago 205th StefanHabel 🇨🇦 834 77 1,217ms 11 days ago 205th ahmetdemirag 🇨🇾 834 77 18ms 10 days ago 205th tomh1012 834 77 17ms 10 days ago 205th HumanoidCPU 834 77 230ms 10 days ago 205th qpwoeirut 834 77 19ms 10 days ago 205th btjones0 834 77 19ms 9 days ago 205th ComradeSquirrel 834 77 18ms 9 days ago 205th bzijlema 🇳🇱 834 77 18ms 9 days ago 205th Lv0Sys 🇵🇱 834 77 18ms 8 days ago 205th stefangimmillaro 834 77 136ms 6 days ago 205th LostSyntax21 🇬🇧 834 77 18ms 5 days ago 205th scpchicken 🇵🇼 834 77 18ms 3 days ago 205th Andrey2001 834 77 18ms 2 days ago 205th guilhem-roy 🇫🇷 834 77 19ms 2 days ago 205th jameswmccarty 834 77 20ms 30 hours ago 205th mantaslu 🇱🇹 834 77 18ms 25 hours ago 205th snoozingnewt 🇨🇦 834 77 20ms 16 hours ago 205th firegene 🇮🇪 834 77 19ms 12 hours ago 235th GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 235th Steffan153 🇫🇮 834 117 340ms 3 days ago 237th GolfingSuccess 🇬🇷 830 86 2,109ms 25 days ago 237th Steffan153 🇫🇮 830 86 2,054ms 3 days ago 239th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 239th emgordon154 829 47 1,259ms 22 hours ago First Prev 161–240 of 491 Next Last