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 159th Steffan153 🇫🇮 843 69 493ms 22 hours ago 159th stefangimmillaro 843 69 398ms 8 hours ago 163rd GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 164th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 164th error256 843 91 293ms 14 Jan 2026 164th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 164th Natanaelel 🇸🇪 843 91 311ms 8 days ago 164th edsrzf 🇳🇿 843 91 546ms 21 hours ago 164th Steffan153 🇫🇮 843 91 285ms 21 hours ago 170th lukegustafson 🇺🇸 842 51 35ms 16 Jun 2025 170th GolfingSuccess 🇬🇷 842 51 33ms 12 Jan 2026 170th sean-niemann 🇺🇸 842 51 32ms 15 Jan 2026 170th Steffan153 🇫🇮 842 51 33ms 19 Feb 2026 170th Natanaelel 🇸🇪 842 51 34ms 8 days ago 170th voytxt 🇨🇿 842 51 33ms 5 hours ago 176th Steffan153 🇫🇮 842 62 56ms 21 hours ago 177th madex 🇩🇪 840 67 9ms 5 days ago 178th GolfingSuccess 🇬🇷 839 70 15ms 18 hours ago 179th albanian-laundromat 838 48 4ms 111 mins ago 180th edsrzf 🇳🇿 837 48 1,062ms 7 days ago 181st DialFrost 🇸🇬 837 70 116ms 6 days ago 181st Steffan153 🇫🇮 837 70 2,152ms 21 hours ago 183rd stefangimmillaro 837 99 150ms 40 hours ago 183rd Steffan153 🇫🇮 837 99 157ms 18 hours ago 185th error256 836 80 466ms 16 Jan 2026 186th kg583 🇺🇸 835 86 23ms 2 Oct 2025 187th edsrzf 🇳🇿 835 94 6ms 6 days ago 187th albanian-laundromat 835 94 6ms 6 days ago 187th sean-niemann 🇺🇸 835 94 6ms 2 days ago 187th Steffan153 🇫🇮 835 94 6ms 22 hours ago 191st edsrzf 🇳🇿 835 96 32ms 8 days ago 191st Steffan153 🇫🇮 835 96 30ms 2 days ago 193rd bitsandbeyond 🇳🇱 834 43 1,057ms 13 days ago 194th Yax42 🇫🇷 834 75 4ms 8 days ago 195th GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 195th Steffan153 🇫🇮 834 117 340ms 24 hours ago 197th lifthrasiir 🇰🇷 833 77 192ms 11 Dec 2024 197th Shanethegamer 🇺🇸 833 77 19ms 13 Dec 2024 197th emgordon154 833 77 161ms 9 May 2025 197th addmai 833 77 20ms 24 Jul 2025 197th hiichbindermax 833 77 17ms 17 Aug 2025 197th 5cw 🇺🇸 833 77 18ms 22 Aug 2025 197th davecame 833 77 135ms 25 Sep 2025 197th SirBogman 🇺🇸 833 77 232ms 13 Oct 2025 197th jtaxen 833 77 19ms 16 Oct 2025 197th albanian-laundromat 833 77 19ms 25 Nov 2025 197th anter69 🇭🇺 833 77 133ms 4 Feb 2026 197th Matter1024 🇮🇳 833 77 17ms 12 Feb 2026 197th KasperKivimaeki 🇫🇮 833 77 564ms 16 days ago 197th StefanHabel 🇨🇦 833 77 1,217ms 8 days ago 197th ahmetdemirag 🇨🇾 833 77 18ms 8 days ago 197th tomh1012 833 77 17ms 8 days ago 197th HumanoidCPU 833 77 230ms 7 days ago 197th qpwoeirut 833 77 19ms 7 days ago 197th btjones0 833 77 19ms 7 days ago 197th ComradeSquirrel 833 77 18ms 7 days ago 197th bzijlema 🇳🇱 833 77 18ms 7 days ago 197th Lv0Sys 🇵🇱 833 77 18ms 6 days ago 197th stefangimmillaro 833 77 136ms 3 days ago 197th LostSyntax21 🇬🇧 833 77 18ms 3 days ago 197th scpchicken 🇵🇼 833 77 18ms 19 hours ago 197th Andrey2001 833 77 18ms 12 hours ago 197th guilhem-roy 🇫🇷 833 77 19ms 4 hours ago 224th edsrzf 🇳🇿 833 78 119ms 21 hours ago 224th Steffan153 🇫🇮 833 78 102ms 21 hours ago 226th error256 830 55 2,813ms 15 Feb 2026 227th GolfingSuccess 🇬🇷 830 86 2,109ms 23 days ago 227th Steffan153 🇫🇮 830 86 2,054ms 21 hours ago 229th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 230th edsrzf 🇳🇿 829 62 111ms 7 days ago 231st Steffan153 🇫🇮 829 68 487ms 21 hours ago 232nd MeWhenI 🇻🇦 827 118 284ms 4 days ago 233rd Lv0Sys 🇵🇱 826 52 12ms 6 days ago 234th MeWhenI 🇻🇦 826 80 106ms 39 hours ago 235th edsrzf 🇳🇿 826 100 145ms 9 May 2025 236th ovs-code 🇩🇪 825 71 139ms 6 days ago 237th Lv0Sys 🇵🇱 825 81 437ms 6 days ago 238th error256 825 91 62ms 12 Jan 2026 238th Steffan153 🇫🇮 825 91 57ms 6 days ago 240th kg583 🇺🇸 824 109 42ms 3 Mar 2026 First Prev 161–240 of 479 Next Last