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 🇫🇮 856 71 17ms 17 days ago 159th GolfingSuccess 🇬🇷 856 71 18ms 15 days ago 163rd saito-ta 🇯🇵 855 74 3ms 11 May 2025 163rd error256 855 74 3ms 12 Jan 2026 165th edsrzf 🇳🇿 855 83 1,450ms 22 days ago 165th Steffan153 🇫🇮 855 83 1,390ms 15 days ago 167th madex 🇩🇪 853 67 9ms 20 days ago 168th edsrzf 🇳🇿 852 94 6ms 21 days ago 168th albanian-laundromat 🇺🇸 852 94 6ms 21 days ago 168th sean-niemann 🇺🇸 852 94 6ms 16 days ago 168th Steffan153 🇫🇮 852 94 6ms 15 days ago 172nd Steffan153 🇫🇮 851 69 7ms 15 days ago 173rd DialFrost 🇸🇬 851 70 116ms 20 days ago 173rd Steffan153 🇫🇮 851 70 2,152ms 15 days ago 175th error256 851 98 155ms 16 Jan 2026 175th edsrzf 🇳🇿 851 98 157ms 21 days ago 177th GolfingSuccess 🇬🇷 850 69 455ms 14 Jan 2026 177th error256 850 69 446ms 24 days ago 177th Steffan153 🇫🇮 850 69 453ms 15 days ago 177th stefangimmillaro 850 69 437ms 14 days ago 181st GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 181st edsrzf 🇳🇿 850 85 28ms 22 days ago 183rd Natanaelel 🇸🇪 849 38 41ms 8 May 2025 183rd ovs-code 🇩🇪 849 38 38ms 13 Jan 2026 183rd pardouin 🇫🇷 849 38 37ms 19 Feb 2026 183rd stefangimmillaro 849 38 42ms 12 days ago 183rd blaztoma 🇱🇹 849 38 79ms 2 days ago 188th AlephSquirrel 849 76 38ms 3 Dec 2025 188th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 188th duckyluuk 🇳🇱 849 76 120ms 20 days ago 188th emgordon154 849 76 310ms 12 days ago 192nd edsrzf 🇳🇿 847 48 818ms 22 days ago 193rd GolfingSuccess 🇬🇷 847 51 36ms 12 Jan 2026 193rd sean-niemann 🇺🇸 847 51 34ms 15 Jan 2026 193rd Steffan153 🇫🇮 847 51 34ms 19 Feb 2026 193rd Natanaelel 🇸🇪 847 51 33ms 22 days ago 193rd voytxt 🇨🇿 847 51 37ms 14 days ago 193rd weliveinhell 🇭🇹 847 51 33ms 4 days ago 199th edsrzf 🇳🇿 847 78 110ms 15 days ago 199th Steffan153 🇫🇮 847 78 102ms 15 days ago 199th snoozingnewt 🇨🇦 847 78 105ms 2 days ago 202nd error256 846 80 466ms 16 Jan 2026 203rd GolfingSuccess 🇬🇷 845 49 37ms 12 Jan 2026 203rd albanian-laundromat 🇺🇸 845 49 34ms 9 Mar 2026 203rd MeWhenI 🇻🇦 845 49 37ms 21 days ago 206th albanian-laundromat 🇺🇸 844 69 514ms 6 Dec 2025 207th GolfingSuccess 🇬🇷 844 117 330ms 12 Jan 2026 207th Steffan153 🇫🇮 844 117 329ms 15 days ago 209th Yax42 🇫🇷 843 75 4ms 22 days ago 210th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 210th error256 843 91 293ms 14 Jan 2026 210th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 210th Natanaelel 🇸🇪 843 91 311ms 22 days ago 210th edsrzf 🇳🇿 843 91 292ms 15 days ago 210th Steffan153 🇫🇮 843 91 285ms 15 days ago 216th stefangimmillaro 843 99 194ms 16 days ago 216th Steffan153 🇫🇮 843 99 157ms 15 days ago 218th error256 842 55 2,436ms 15 Feb 2026 219th Steffan153 🇫🇮 842 62 56ms 15 days ago 220th error256 842 91 59ms 12 Jan 2026 220th Steffan153 🇫🇮 842 91 63ms 20 days ago 222nd edsrzf 🇳🇿 841 96 32ms 22 days ago 222nd Steffan153 🇫🇮 841 96 30ms 17 days ago 224th MeWhenI 🇻🇦 840 80 106ms 16 days ago 225th kg583 🇺🇸 840 86 23ms 2 Oct 2025 226th edsrzf 🇳🇿 840 100 145ms 9 May 2025 227th GolfingSuccess 🇬🇷 839 70 15ms 15 days ago 227th rucin93 🇵🇱 839 70 15ms 10 days ago 229th ovs-code 🇩🇪 839 71 139ms 20 days ago 230th bitsandbeyond 🇳🇱 838 43 1,233ms 27 days ago 231st edsrzf 🇳🇿 838 62 140ms 22 days ago 232nd lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 232nd Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 232nd addmai 838 77 20ms 24 Jul 2025 232nd hiichbindermax 838 77 18ms 17 Aug 2025 232nd 5cw 🇺🇸 838 77 20ms 22 Aug 2025 232nd davecame 838 77 142ms 25 Sep 2025 232nd SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 232nd jtaxen 838 77 27ms 16 Oct 2025 232nd albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 First Prev 161–240 of 645 Next Last