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 223rd ComradeSquirrel 837 77 18ms 20 days ago 223rd bzijlema 🇳🇱 837 77 19ms 20 days ago 223rd Lv0Sys 🇵🇱 837 77 20ms 19 days ago 223rd LostSyntax21 🇬🇧 837 77 18ms 16 days ago 223rd scpchicken 🇵🇼 837 77 18ms 13 days ago 223rd Andrey2001 837 77 19ms 13 days ago 223rd guilhem-roy 🇫🇷 837 77 17ms 13 days ago 223rd jameswmccarty 837 77 19ms 12 days ago 223rd mantaslu 🇱🇹 837 77 18ms 11 days ago 223rd snoozingnewt 🇨🇦 837 77 20ms 11 days ago 223rd firegene 🇮🇪 837 77 18ms 11 days ago 223rd Pyroan 837 77 19ms 8 days ago 223rd retrohun 837 77 183ms 8 days ago 223rd madeforlosers 837 77 19ms 7 days ago 223rd klixel 🇨🇦 837 77 19ms 6 days ago 223rd dokutan 837 77 18ms 4 days ago 223rd flekAI 837 77 147ms 2 days ago 223rd FoxInTheClouds 837 77 27ms 2 hours ago 259th MeWhenI 🇻🇦 836 80 106ms 14 days ago 260th kg583 🇺🇸 835 86 23ms 2 Oct 2025 261st edsrzf 🇳🇿 835 96 32ms 21 days ago 261st Steffan153 🇫🇮 835 96 30ms 15 days ago 263rd anter69 🇭🇺 834 47 1,210ms 4 Feb 2026 263rd emgordon154 834 47 1,221ms 11 days ago 265th edsrzf 🇳🇿 834 100 145ms 9 May 2025 266th MeWhenI 🇻🇦 834 118 321ms 17 days ago 267th Steffan153 🇫🇮 833 47 6ms 13 days ago 268th edsrzf 🇳🇿 833 62 140ms 20 days ago 269th GolfingSuccess 🇬🇷 833 70 15ms 13 days ago 269th rucin93 🇵🇱 833 70 15ms 9 days ago 271st ovs-code 🇩🇪 833 71 139ms 19 days ago 272nd Lv0Sys 🇵🇱 833 81 437ms 19 days ago 273rd ovs-code 🇩🇪 831 76 3ms 10 May 2025 274th Lv0Sys 🇵🇱 830 52 13ms 19 days ago 275th GolfingSuccess 🇬🇷 830 86 2,109ms 9 Mar 2026 275th Steffan153 🇫🇮 830 86 2,054ms 13 days ago 277th Yax42 🇫🇷 830 92 63ms 21 days ago 278th DialFrost 🇸🇬 830 96 6ms 6 hours ago 279th edsrzf 🇳🇿 829 90 22ms 7 days ago 280th GolfingSuccess 🇬🇷 827 49 797ms 19 days ago 281st madex 🇩🇪 827 70 485ms 17 days ago 282nd solisolu 827 78 41ms 10 Nov 2025 282nd Alex-x90 🇺🇸 827 78 19ms 2 days ago 284th stefangimmillaro 827 119 328ms 14 days ago 285th DialFrost 🇸🇬 825 71 425ms 8 hours ago 286th roelderickx 825 104 61ms 12 days ago 287th edsrzf 🇳🇿 825 106 37ms 13 days ago 288th kg583 🇺🇸 824 109 46ms 3 Mar 2026 288th GolfingSuccess 🇬🇷 824 109 48ms 3 Mar 2026 288th edsrzf 🇳🇿 824 109 45ms 20 days ago 288th Steffan153 🇫🇮 824 109 46ms 14 days ago 292nd error256 823 59 68ms 13 Jan 2026 293rd vang1ong7ang 823 101 149ms 6 days ago 294th snoozingnewt 🇨🇦 823 114 45ms 42 hours ago 295th emgordon154 820 59 6ms 13 days ago 296th sean-niemann 🇺🇸 820 62 177ms 19 May 2025 297th Natanaelel 🇸🇪 820 77 3ms 11 May 2025 297th emgordon154 820 77 4ms 11 days ago 299th sean-niemann 🇺🇸 820 87 42ms 9 May 2025 300th GrayJoKing 🇦🇺 820 91 21ms 9 days ago 300th Steffan153 🇫🇮 820 91 18ms 9 days ago 302nd CaedenHarper 🇨🇦 820 120 352ms 21 days ago 303rd emplv 🇱🇻 819 67 9ms 17 days ago 304th MeWhenI 🇻🇦 817 48 1,252ms 14 days ago 305th albanian-laundromat 🇺🇸 817 107 85ms 11 days ago 306th edsrzf 🇳🇿 816 64 66ms 13 days ago 307th plcc0 816 66 506ms 19 days ago 308th DialFrost 🇸🇬 816 69 1,070ms 8 days ago 309th BREMAUCY 🇫🇷 816 79 19ms 21 days ago 309th mishak-sys 816 79 418ms 19 days ago 309th KatieLG 🇬🇧 816 79 18ms 13 days ago 309th ZakkkkAttackkkk 🇵🇭 816 79 45ms 8 days ago 313th albanian-laundromat 🇺🇸 815 48 4ms 13 days ago 314th fantaize 815 102 146ms 10 Mar 2026 314th madex 🇩🇪 815 102 156ms 19 days ago 316th emgordon154 813 83 416ms 14 days ago 317th emgordon154 812 94 65ms 11 days ago 317th snyderek 🇺🇸 812 94 61ms 3 days ago 319th error256 811 88 3,067ms 14 Jan 2026 319th IanUtley 811 88 2,900ms 16 Jan 2026 First Prev 241–320 of 581 Next Last