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 241st ovs-code 🇩🇪 825 76 4ms 10 May 2025 242nd Lv0Sys 🇵🇱 825 81 437ms 7 days ago 243rd error256 825 91 62ms 12 Jan 2026 243rd Steffan153 🇫🇮 825 91 57ms 6 days ago 245th roelderickx 825 104 61ms 8 hours ago 246th kg583 🇺🇸 824 109 42ms 3 Mar 2026 246th GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 246th edsrzf 🇳🇿 824 109 43ms 8 days ago 246th Steffan153 🇫🇮 824 109 43ms 40 hours ago 250th error256 823 59 68ms 13 Jan 2026 251st jameswmccarty 822 78 19ms 29 Mar 2025 251st solisolu 822 78 20ms 10 Nov 2025 253rd stefangimmillaro 820 119 276ms 2 days ago 254th GolfingSuccess 🇬🇷 819 49 797ms 7 days ago 255th edsrzf 🇳🇿 819 92 18ms 7 days ago 255th Steffan153 🇫🇮 819 92 18ms 38 hours ago 255th emgordon154 819 92 18ms 16 hours ago 258th edsrzf 🇳🇿 816 64 66ms 33 hours ago 259th emplv 🇱🇻 816 67 6ms 5 days ago 260th rucin93 🇵🇱 816 72 9ms 26 days ago 260th edsrzf 🇳🇿 816 72 9ms 8 days ago 262nd Yax42 🇫🇷 816 92 60ms 8 days ago 263rd emgordon154 815 59 8ms 16 hours ago 264th edsrzf 🇳🇿 815 106 37ms 38 hours ago 265th plcc0 814 66 431ms 7 days ago 266th madex 🇩🇪 814 70 485ms 4 days ago 267th Natanaelel 🇸🇪 814 77 3ms 11 May 2025 268th CaedenHarper 🇨🇦 813 120 274ms 8 days ago 269th MeWhenI 🇻🇦 812 48 1,252ms 2 days ago 270th BREMAUCY 🇫🇷 812 79 18ms 9 days ago 270th mishak-sys 812 79 411ms 7 days ago 270th firegene 🇮🇪 812 79 19ms 2 days ago 270th KatieLG 🇬🇧 812 79 19ms 38 hours ago 274th fantaize 812 102 146ms 22 days ago 274th madex 🇩🇪 812 102 156ms 6 days ago 276th error256 811 88 3,067ms 14 Jan 2026 276th IanUtley 811 88 2,941ms 16 Jan 2026 278th sean-niemann 🇺🇸 810 62 167ms 19 May 2025 279th MeWhenI 🇻🇦 809 55 50ms 8 days ago 280th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 281st emgordon154 805 83 416ms 47 hours ago 282nd MeWhenI 🇻🇦 804 50 7ms 7 days ago 283rd DialFrost 🇸🇬 804 78 3ms 10 May 2025 283rd madex 🇩🇪 804 78 3ms 6 days ago 285th error256 803 50 4,638ms 15 Jan 2026 286th Shanethegamer 🇺🇸 802 67 436ms 7 May 2025 286th emgordon154 802 67 396ms 9 May 2025 286th CaedenHarper 🇨🇦 802 67 513ms 11 days ago 286th fuzzylojik-golf 🇺🇸 802 67 490ms 9 days ago 286th HumanoidCPU 802 67 577ms 8 days ago 286th MeWhenI 🇻🇦 802 67 997ms 38 hours ago 292nd jusaka 802 80 18ms 65 mins ago 293rd sean-niemann 🇺🇸 801 40 39ms 3 days ago 293rd MeWhenI 🇻🇦 801 40 41ms 2 days ago 295th albanian-laundromat 800 108 83ms 23 days ago 296th albanian-laundromat 800 122 264ms 5 Jan 2026 297th stefangimmillaro 799 116 44ms 34 hours ago 298th Shanethegamer 🇺🇸 797 63 198ms 7 May 2025 299th albanian-laundromat 797 88 1,372ms 5 Jan 2026 300th Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 300th error256 795 54 26ms 2 May 2025 300th emgordon154 795 54 41ms 9 days ago 300th ComradeSquirrel 795 54 40ms 8 days ago 300th helbling 🇨🇭 795 54 40ms 7 days ago 305th albanian-laundromat 794 74 10ms 16 days ago 306th madex 🇩🇪 792 58 2,632ms 6 days ago 307th Aquateraneal 🇺🇸 792 81 19ms 6 days ago 307th luuumine 🇫🇷 792 81 16ms 6 days ago 309th albanian-laundromat 792 117 43ms 22 days ago 310th lifthrasiir 🇰🇷 790 68 559ms 11 Dec 2024 311th albanian-laundromat 789 83 9ms 26 Jan 2026 312th AdrienHache 🇫🇷 788 44 53ms 4 Feb 2026 313th albanian-laundromat 788 76 18ms 3 Mar 2026 314th albanian-laundromat 788 207 1,463ms 6 Jan 2026 315th CaedenHarper 🇨🇦 787 51 960ms 8 days ago 316th madex 🇩🇪 787 124 272ms 4 days ago 317th GolfingSuccess 🇬🇷 783 83 114ms 12 Jan 2026 318th Yax42 🇫🇷 783 93 392ms 8 days ago 318th MeWhenI 🇻🇦 783 93 386ms 2 days ago 320th stefangimmillaro 782 41 73ms 9 May 2025 First Prev 241–320 of 484 Next Last