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 239th edsrzf 🇳🇿 824 109 43ms 7 days ago 239th Steffan153 🇫🇮 824 109 43ms 22 hours ago 243rd error256 823 59 68ms 13 Jan 2026 244th ovs-code 🇩🇪 823 76 4ms 10 May 2025 245th Steffan153 🇫🇮 823 114 53ms 16 hours ago 246th jameswmccarty 822 78 19ms 29 Mar 2025 246th solisolu 822 78 20ms 10 Nov 2025 248th albanian-laundromat 820 50 4ms 26 Feb 2026 248th MeWhenI 🇻🇦 820 50 7ms 6 days ago 250th stefangimmillaro 820 119 276ms 38 hours ago 251st GolfingSuccess 🇬🇷 819 49 1,061ms 6 days ago 252nd edsrzf 🇳🇿 819 92 18ms 6 days ago 252nd Steffan153 🇫🇮 819 92 18ms 20 hours ago 254th albanian-laundromat 817 69 514ms 6 Dec 2025 255th edsrzf 🇳🇿 816 64 66ms 15 hours ago 256th emplv 🇱🇻 816 67 6ms 4 days ago 257th rucin93 🇵🇱 816 72 9ms 25 days ago 257th edsrzf 🇳🇿 816 72 9ms 7 days ago 259th Yax42 🇫🇷 816 92 60ms 8 days ago 260th edsrzf 🇳🇿 815 106 37ms 20 hours ago 261st plcc0 814 66 431ms 6 days ago 262nd CaedenHarper 🇨🇦 813 120 274ms 7 days ago 263rd MeWhenI 🇻🇦 812 48 1,252ms 37 hours ago 264th Natanaelel 🇸🇪 812 77 3ms 11 May 2025 265th BREMAUCY 🇫🇷 812 79 18ms 8 days ago 265th mishak-sys 812 79 411ms 6 days ago 265th firegene 🇮🇪 812 79 18ms 30 hours ago 265th KatieLG 🇬🇧 812 79 19ms 20 hours ago 269th fantaize 812 102 146ms 22 days ago 269th madex 🇩🇪 812 102 156ms 5 days ago 271st error256 811 88 3,067ms 14 Jan 2026 271st IanUtley 811 88 2,941ms 16 Jan 2026 273rd sean-niemann 🇺🇸 810 62 167ms 19 May 2025 274th MeWhenI 🇻🇦 809 55 50ms 7 days ago 275th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 276th madex 🇩🇪 805 70 485ms 3 days ago 277th emgordon154 805 83 416ms 29 hours ago 278th error256 803 50 4,709ms 15 Jan 2026 279th Shanethegamer 🇺🇸 802 67 436ms 7 May 2025 279th emgordon154 802 67 396ms 9 May 2025 279th CaedenHarper 🇨🇦 802 67 513ms 11 days ago 279th fuzzylojik-golf 🇺🇸 802 67 490ms 8 days ago 279th HumanoidCPU 802 67 577ms 7 days ago 279th MeWhenI 🇻🇦 802 67 997ms 20 hours ago 285th DialFrost 🇸🇬 802 78 3ms 10 May 2025 285th madex 🇩🇪 802 78 3ms 5 days ago 287th sean-niemann 🇺🇸 801 40 39ms 2 days ago 287th MeWhenI 🇻🇦 801 40 41ms 37 hours ago 289th albanian-laundromat 800 108 83ms 23 days ago 290th albanian-laundromat 800 122 264ms 5 Jan 2026 291st stefangimmillaro 799 116 44ms 16 hours ago 292nd Shanethegamer 🇺🇸 797 63 198ms 7 May 2025 293rd albanian-laundromat 797 88 1,372ms 5 Jan 2026 294th Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 294th error256 795 54 26ms 2 May 2025 294th emgordon154 795 54 41ms 8 days ago 294th ComradeSquirrel 795 54 40ms 7 days ago 294th helbling 🇨🇭 795 54 40ms 7 days ago 299th albanian-laundromat 794 74 10ms 15 days ago 300th emgordon154 793 95 17ms 15 hours ago 301st Aquateraneal 🇺🇸 792 81 19ms 5 days ago 301st luuumine 🇫🇷 792 81 16ms 5 days ago 303rd albanian-laundromat 792 117 43ms 21 days ago 304th lifthrasiir 🇰🇷 790 68 559ms 11 Dec 2024 305th albanian-laundromat 789 83 9ms 26 Jan 2026 306th AdrienHache 🇫🇷 788 44 53ms 4 Feb 2026 307th albanian-laundromat 788 76 18ms 3 Mar 2026 308th albanian-laundromat 788 207 1,463ms 6 Jan 2026 309th CaedenHarper 🇨🇦 787 51 960ms 7 days ago 310th madex 🇩🇪 787 58 2,632ms 5 days ago 311th madex 🇩🇪 787 124 272ms 4 days ago 312th GolfingSuccess 🇬🇷 783 83 114ms 12 Jan 2026 313th stefangimmillaro 782 41 73ms 9 May 2025 313th aksyristos 782 41 104ms 14 days ago 315th bricknellj 782 82 17ms 30 Jan 2025 315th dokutan 782 82 17ms 15 Aug 2025 317th CaedenHarper 🇨🇦 781 22 96ms 6 days ago 318th DialFrost 🇸🇬 781 55 39ms 6 days ago 319th Yax42 🇫🇷 781 93 392ms 8 days ago 319th MeWhenI 🇻🇦 781 93 386ms 37 hours ago First Prev 241–320 of 479 Next Last