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 226th HumanoidCPU 838 77 246ms 21 days ago 226th qpwoeirut 838 77 19ms 21 days ago 226th btjones0 838 77 18ms 21 days ago 226th ComradeSquirrel 838 77 18ms 21 days ago 226th bzijlema 🇳🇱 838 77 19ms 21 days ago 226th Lv0Sys 🇵🇱 838 77 20ms 20 days ago 226th LostSyntax21 🇬🇧 838 77 18ms 17 days ago 226th scpchicken 🇵🇼 838 77 18ms 14 days ago 226th Andrey2001 838 77 19ms 14 days ago 226th guilhem-roy 🇫🇷 838 77 17ms 14 days ago 226th jameswmccarty 838 77 19ms 12 days ago 226th mantaslu 🇱🇹 838 77 18ms 12 days ago 226th snoozingnewt 🇨🇦 838 77 20ms 12 days ago 226th firegene 🇮🇪 838 77 18ms 12 days ago 226th Pyroan 838 77 19ms 9 days ago 226th retrohun 838 77 183ms 8 days ago 226th madeforlosers 838 77 19ms 8 days ago 226th klixel 🇨🇦 838 77 19ms 6 days ago 226th dokutan 838 77 18ms 4 days ago 226th flekAI 838 77 147ms 3 days ago 226th FoxInTheClouds 838 77 19ms 22 hours ago 262nd MeWhenI 🇻🇦 837 118 321ms 18 days ago 263rd anter69 🇭🇺 836 47 1,210ms 4 Feb 2026 263rd emgordon154 836 47 1,221ms 12 days ago 265th kg583 🇺🇸 835 86 23ms 2 Oct 2025 266th edsrzf 🇳🇿 835 96 32ms 21 days ago 266th Steffan153 🇫🇮 835 96 30ms 16 days ago 268th edsrzf 🇳🇿 834 100 145ms 9 May 2025 269th Steffan153 🇫🇮 833 47 6ms 13 days ago 270th GolfingSuccess 🇬🇷 833 70 15ms 14 days ago 270th rucin93 🇵🇱 833 70 15ms 10 days ago 272nd Lv0Sys 🇵🇱 833 81 437ms 20 days ago 273rd Yax42 🇫🇷 833 92 63ms 22 days ago 274th madex 🇩🇪 832 70 485ms 17 days ago 275th ovs-code 🇩🇪 832 76 3ms 10 May 2025 276th Lv0Sys 🇵🇱 831 52 13ms 20 days ago 277th GolfingSuccess 🇬🇷 830 86 2,109ms 9 Mar 2026 277th Steffan153 🇫🇮 830 86 2,054ms 14 days ago 279th DialFrost 🇸🇬 830 96 6ms 26 hours ago 280th GolfingSuccess 🇬🇷 829 49 797ms 20 days ago 281st edsrzf 🇳🇿 829 90 22ms 8 days ago 282nd stefangimmillaro 829 119 328ms 15 days ago 283rd DialFrost 🇸🇬 827 71 425ms 28 hours ago 284th solisolu 827 78 41ms 10 Nov 2025 284th Alex-x90 🇺🇸 827 78 19ms 3 days ago 286th vang1ong7ang 826 101 149ms 7 days ago 287th roelderickx 825 104 61ms 13 days ago 288th edsrzf 🇳🇿 825 106 37ms 14 days ago 289th kg583 🇺🇸 824 109 46ms 3 Mar 2026 289th GolfingSuccess 🇬🇷 824 109 48ms 3 Mar 2026 289th edsrzf 🇳🇿 824 109 45ms 21 days ago 289th Steffan153 🇫🇮 824 109 46ms 14 days ago 293rd error256 823 59 68ms 13 Jan 2026 294th snoozingnewt 🇨🇦 823 114 45ms 2 days ago 295th CaedenHarper 🇨🇦 823 120 352ms 21 days ago 296th emplv 🇱🇻 822 67 7ms 18 days ago 297th Natanaelel 🇸🇪 821 77 3ms 11 May 2025 297th emgordon154 821 77 4ms 12 days ago 299th emgordon154 820 59 6ms 13 days ago 300th sean-niemann 🇺🇸 820 62 177ms 19 May 2025 301st sean-niemann 🇺🇸 820 87 42ms 9 May 2025 302nd GrayJoKing 🇦🇺 820 91 21ms 10 days ago 302nd Steffan153 🇫🇮 820 91 18ms 10 days ago 304th MeWhenI 🇻🇦 819 48 1,252ms 15 days ago 305th plcc0 818 66 506ms 20 days ago 306th fantaize 818 102 146ms 10 Mar 2026 306th madex 🇩🇪 818 102 156ms 19 days ago 308th BREMAUCY 🇫🇷 817 79 19ms 22 days ago 308th mishak-sys 817 79 418ms 20 days ago 308th KatieLG 🇬🇧 817 79 18ms 14 days ago 308th ZakkkkAttackkkk 🇵🇭 817 79 45ms 9 days ago 308th lelbal 817 79 19ms 8 hours ago 313th albanian-laundromat 🇺🇸 817 107 85ms 12 days ago 314th edsrzf 🇳🇿 816 64 66ms 14 days ago 315th DialFrost 🇸🇬 816 69 1,070ms 9 days ago 316th emgordon154 816 94 65ms 12 days ago 316th snyderek 🇺🇸 816 94 61ms 3 days ago 318th albanian-laundromat 🇺🇸 815 48 4ms 13 days ago 319th error256 813 50 4,622ms 15 Jan 2026 320th emgordon154 813 83 416ms 15 days ago First Prev 241–320 of 609 Next Last