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 81st kumavale 863 96 149ms 6 days ago 82nd Natanaelel 🇸🇪 862 29 35ms 11 May 2025 82nd ovs-code 🇩🇪 862 29 40ms 9 Oct 2025 84th pardouin 🇫🇷 862 53 2,617ms 19 Feb 2026 84th edsrzf 🇳🇿 862 53 2,583ms 7 days ago 84th Steffan153 🇫🇮 862 53 2,512ms 2 days ago 87th GolfingSuccess 🇬🇷 861 27 27ms 26 Jan 2026 88th GolfingSuccess 🇬🇷 859 56 9ms 14 Jan 2026 88th kg583 🇺🇸 859 56 9ms 14 Jan 2026 88th edsrzf 🇳🇿 859 56 9ms 7 days ago 88th Steffan153 🇫🇮 859 56 9ms 17 hours ago 92nd Steffan153 🇫🇮 857 78 454ms 2 days ago 92nd sean-niemann 🇺🇸 857 78 413ms 2 days ago 94th Steffan153 🇫🇮 856 60 107ms 3 days ago 95th edsrzf 🇳🇿 856 69 394ms 7 days ago 95th Steffan153 🇫🇮 856 69 393ms 13 hours ago 97th error256 856 70 18ms 19 days ago 98th error256 856 114 513ms 29 Jan 2026 98th edsrzf 🇳🇿 856 114 489ms 6 days ago 100th kg583 🇺🇸 855 75 38ms 1 Dec 2024 100th hallvabo 🇳🇴 855 75 131ms 30 Dec 2024 100th Natanaelel 🇸🇪 855 75 19ms 11 May 2025 100th commandz0 🇺🇸 855 75 1,210ms 27 Aug 2025 100th GolfingSuccess 🇬🇷 855 75 19ms 11 Jan 2026 100th madex 🇩🇪 855 75 26ms 13 days ago 100th CaedenHarper 🇨🇦 855 75 149ms 10 days ago 100th fuzzylojik-golf 🇺🇸 855 75 123ms 8 days ago 100th edsrzf 🇳🇿 855 75 17ms 7 days ago 100th plcc0 855 75 21ms 7 days ago 100th zgialor-lab 855 75 25ms 7 days ago 100th ndren 855 75 19ms 5 days ago 100th CornerMercury 🇬🇧 855 75 19ms 5 days ago 100th DialFrost 🇸🇬 855 75 25ms 3 days ago 100th sean-niemann 🇺🇸 855 75 178ms 2 days ago 115th Steffan153 🇫🇮 854 48 5ms 18 hours ago 116th error256 854 64 4,375ms 15 Jan 2026 117th Steffan153 🇫🇮 853 38 260ms 18 hours ago 118th CornerMercury 🇬🇧 853 63 420ms 5 days ago 119th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 119th edsrzf 🇳🇿 853 66 10ms 7 days ago 119th Steffan153 🇫🇮 853 66 10ms 6 days ago 122nd GolfingSuccess 🇬🇷 851 59 224ms 12 Jan 2026 122nd rucin93 🇵🇱 851 59 200ms 23 days ago 122nd Steffan153 🇫🇮 851 59 163ms 2 days ago 125th Steffan153 🇫🇮 851 69 7ms 12 hours ago 126th ovs-code 🇩🇪 848 46 11ms 4 days ago 126th emgordon154 848 46 11ms 3 days ago 126th Steffan153 🇫🇮 848 46 11ms 2 days ago 129th ovs-code 🇩🇪 848 50 316ms 23 Feb 2025 129th Steffan153 🇫🇮 848 50 347ms 16 hours ago 131st stefangimmillaro 847 78 129ms 35 hours ago 131st Steffan153 🇫🇮 847 78 129ms 13 hours ago 133rd albanian-laundromat 846 54 2,566ms 18 Feb 2026 134th error256 846 98 155ms 16 Jan 2026 134th edsrzf 🇳🇿 846 98 157ms 6 days ago 136th lyphyser 845 41 53ms 6 days ago 137th GolfingSuccess 🇬🇷 845 49 38ms 12 Jan 2026 137th albanian-laundromat 845 49 33ms 23 days ago 137th MeWhenI 🇻🇦 845 49 33ms 7 days ago 140th saito-ta 🇯🇵 845 74 3ms 11 May 2025 140th error256 845 74 3ms 12 Jan 2026 142nd edsrzf 🇳🇿 845 83 1,251ms 7 days ago 142nd Steffan153 🇫🇮 845 83 1,350ms 13 hours ago 144th GolfingSuccess 🇬🇷 845 85 25ms 14 Jan 2026 144th edsrzf 🇳🇿 845 85 28ms 7 days ago 146th Steffan153 🇫🇮 844 70 132ms 15 hours ago 146th edsrzf 🇳🇿 844 70 3,044ms 8 hours ago 148th edsrzf 🇳🇿 844 71 18ms 7 days ago 148th kg583 🇺🇸 844 71 18ms 7 days ago 148th Steffan153 🇫🇮 844 71 17ms 2 days ago 148th GolfingSuccess 🇬🇷 844 71 18ms 12 hours ago 152nd GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 152nd error256 843 69 410ms 9 days ago 152nd Steffan153 🇫🇮 843 69 493ms 17 hours ago 152nd stefangimmillaro 843 69 398ms 3 hours ago 156th AlephSquirrel 843 76 39ms 3 Dec 2025 156th MeWhenI 🇻🇦 843 76 586ms 16 days ago 156th duckyluuk 🇳🇱 843 76 200ms 6 days ago 159th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 160th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 First Prev 81–160 of 477 Next Last