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 GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 241st Steffan153 🇫🇮 834 117 340ms 5 days ago 243rd GolfingSuccess 🇬🇷 830 86 2,109ms 27 days ago 243rd Steffan153 🇫🇮 830 86 2,054ms 4 days ago 245th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 245th emgordon154 829 47 1,259ms 2 days ago 247th edsrzf 🇳🇿 829 62 140ms 11 days ago 248th GrayJoKing 🇦🇺 829 91 20ms 19 hours ago 248th Steffan153 🇫🇮 829 91 19ms 18 hours ago 250th Lv0Sys 🇵🇱 827 52 12ms 10 days ago 251st MeWhenI 🇻🇦 827 118 284ms 8 days ago 252nd albanian-laundromat 826 69 514ms 6 Dec 2025 253rd MeWhenI 🇻🇦 826 80 106ms 5 days ago 254th edsrzf 🇳🇿 826 100 145ms 9 May 2025 255th ovs-code 🇩🇪 825 71 139ms 10 days ago 256th ovs-code 🇩🇪 825 76 4ms 10 May 2025 257th Lv0Sys 🇵🇱 825 81 437ms 10 days ago 258th error256 825 91 62ms 12 Jan 2026 258th Steffan153 🇫🇮 825 91 57ms 10 days ago 260th roelderickx 825 104 61ms 3 days ago 261st kg583 🇺🇸 824 109 42ms 3 Mar 2026 261st GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 261st edsrzf 🇳🇿 824 109 43ms 11 days ago 261st Steffan153 🇫🇮 824 109 43ms 5 days ago 265th error256 823 59 68ms 13 Jan 2026 266th solisolu 823 78 40ms 10 Nov 2025 267th jusaka 823 101 161ms 30 hours ago 268th edsrzf 🇳🇿 820 92 18ms 10 days ago 268th emgordon154 820 92 18ms 4 days ago 270th stefangimmillaro 820 119 276ms 5 days ago 271st GolfingSuccess 🇬🇷 819 49 797ms 10 days ago 272nd edsrzf 🇳🇿 816 64 66ms 4 days ago 273rd emplv 🇱🇻 816 67 6ms 8 days ago 274th edsrzf 🇳🇿 816 72 9ms 11 days ago 275th Yax42 🇫🇷 816 92 60ms 12 days ago 276th emgordon154 815 59 8ms 4 days ago 277th sean-niemann 🇺🇸 815 62 167ms 19 May 2025 278th plcc0 815 66 431ms 10 days ago 279th fantaize 815 102 146ms 26 days ago 279th madex 🇩🇪 815 102 156ms 10 days ago 281st edsrzf 🇳🇿 815 106 37ms 4 days ago 282nd madex 🇩🇪 814 70 485ms 8 days ago 283rd Natanaelel 🇸🇪 814 77 3ms 11 May 2025 283rd emgordon154 814 77 4ms 2 days ago 285th BREMAUCY 🇫🇷 813 79 18ms 12 days ago 285th mishak-sys 813 79 411ms 10 days ago 285th KatieLG 🇬🇧 813 79 19ms 4 days ago 288th CaedenHarper 🇨🇦 813 120 274ms 12 days ago 289th MeWhenI 🇻🇦 812 48 1,252ms 5 days ago 290th error256 811 88 3,067ms 14 Jan 2026 290th IanUtley 811 88 2,941ms 16 Jan 2026 292nd MeWhenI 🇻🇦 809 55 50ms 11 days ago 293rd GolfingSuccess 🇬🇷 807 27 27ms 26 Jan 2026 294th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 295th albanian-laundromat 807 107 85ms 2 days ago 296th emgordon154 805 83 416ms 5 days ago 297th MeWhenI 🇻🇦 804 50 7ms 11 days ago 298th DialFrost 🇸🇬 804 78 3ms 10 May 2025 298th madex 🇩🇪 804 78 3ms 9 days ago 300th error256 803 50 4,638ms 15 Jan 2026 301st Shanethegamer 🇺🇸 803 63 198ms 7 May 2025 302nd Shanethegamer 🇺🇸 803 67 436ms 7 May 2025 302nd emgordon154 803 67 396ms 9 May 2025 302nd CaedenHarper 🇨🇦 803 67 513ms 15 days ago 302nd fuzzylojik-golf 🇺🇸 803 67 490ms 12 days ago 302nd HumanoidCPU 803 67 577ms 12 days ago 302nd MeWhenI 🇻🇦 803 67 997ms 4 days ago 308th jusaka 803 80 18ms 3 days ago 309th sean-niemann 🇺🇸 802 40 39ms 6 days ago 309th MeWhenI 🇻🇦 802 40 41ms 5 days ago 311th albanian-laundromat 800 122 264ms 5 Jan 2026 312th stefangimmillaro 799 116 44ms 4 days ago 313th emgordon154 798 94 60ms 2 days ago 314th albanian-laundromat 797 88 1,372ms 5 Jan 2026 315th Shanethegamer 🇺🇸 796 54 31ms 13 Dec 2024 315th error256 796 54 26ms 2 May 2025 315th emgordon154 796 54 41ms 12 days ago 315th ComradeSquirrel 796 54 37ms 11 days ago 315th helbling 🇨🇭 796 54 40ms 11 days ago 320th albanian-laundromat 794 74 10ms 19 days ago First Prev 241–320 of 500 Next Last