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 MeWhenI 🇻🇦 827 118 284ms 6 days ago 242nd Lv0Sys 🇵🇱 826 52 12ms 8 days ago 243rd albanian-laundromat 826 69 514ms 6 Dec 2025 244th MeWhenI 🇻🇦 826 80 106ms 3 days ago 245th edsrzf 🇳🇿 826 100 145ms 9 May 2025 246th ovs-code 🇩🇪 825 71 139ms 8 days ago 247th ovs-code 🇩🇪 825 76 4ms 10 May 2025 248th Lv0Sys 🇵🇱 825 81 437ms 8 days ago 249th error256 825 91 62ms 12 Jan 2026 249th Steffan153 🇫🇮 825 91 57ms 8 days ago 251st roelderickx 825 104 61ms 41 hours ago 252nd kg583 🇺🇸 824 109 42ms 3 Mar 2026 252nd GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 252nd edsrzf 🇳🇿 824 109 43ms 9 days ago 252nd Steffan153 🇫🇮 824 109 43ms 3 days ago 256th error256 823 59 68ms 13 Jan 2026 257th solisolu 823 78 20ms 10 Nov 2025 258th stefangimmillaro 820 119 276ms 3 days ago 259th GolfingSuccess 🇬🇷 819 49 797ms 8 days ago 260th edsrzf 🇳🇿 819 92 18ms 8 days ago 260th Steffan153 🇫🇮 819 92 18ms 2 days ago 260th emgordon154 819 92 18ms 2 days ago 263rd edsrzf 🇳🇿 816 64 66ms 2 days ago 264th emplv 🇱🇻 816 67 6ms 6 days ago 265th rucin93 🇵🇱 816 72 9ms 27 days ago 265th edsrzf 🇳🇿 816 72 9ms 9 days ago 267th Yax42 🇫🇷 816 92 60ms 10 days ago 268th emgordon154 815 59 8ms 2 days ago 269th plcc0 815 66 431ms 8 days ago 270th fantaize 815 102 146ms 24 days ago 270th madex 🇩🇪 815 102 156ms 8 days ago 270th jusaka 815 102 155ms 10 hours ago 273rd edsrzf 🇳🇿 815 106 37ms 2 days ago 274th madex 🇩🇪 814 70 485ms 6 days ago 275th Natanaelel 🇸🇪 814 77 3ms 11 May 2025 275th emgordon154 814 77 4ms 16 hours ago 277th BREMAUCY 🇫🇷 813 79 18ms 10 days ago 277th mishak-sys 813 79 411ms 8 days ago 277th KatieLG 🇬🇧 813 79 19ms 2 days ago 280th CaedenHarper 🇨🇦 813 120 274ms 10 days ago 281st MeWhenI 🇻🇦 812 48 1,252ms 3 days ago 282nd error256 811 88 3,067ms 14 Jan 2026 282nd IanUtley 811 88 2,941ms 16 Jan 2026 284th sean-niemann 🇺🇸 810 62 167ms 19 May 2025 285th MeWhenI 🇻🇦 809 55 50ms 9 days ago 286th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 287th albanian-laundromat 807 107 85ms 8 hours ago 288th emgordon154 805 83 416ms 3 days ago 289th MeWhenI 🇻🇦 804 50 7ms 9 days ago 290th DialFrost 🇸🇬 804 78 3ms 10 May 2025 290th madex 🇩🇪 804 78 3ms 7 days ago 292nd error256 803 50 4,638ms 15 Jan 2026 293rd Shanethegamer 🇺🇸 803 67 436ms 7 May 2025 293rd emgordon154 803 67 396ms 9 May 2025 293rd CaedenHarper 🇨🇦 803 67 513ms 13 days ago 293rd fuzzylojik-golf 🇺🇸 803 67 490ms 10 days ago 293rd HumanoidCPU 803 67 577ms 10 days ago 293rd MeWhenI 🇻🇦 803 67 997ms 2 days ago 299th jusaka 803 80 18ms 34 hours ago 300th sean-niemann 🇺🇸 801 40 39ms 4 days ago 300th MeWhenI 🇻🇦 801 40 41ms 3 days ago 302nd albanian-laundromat 800 122 264ms 5 Jan 2026 303rd stefangimmillaro 799 116 44ms 2 days ago 304th emgordon154 798 94 60ms 16 hours ago 305th Shanethegamer 🇺🇸 797 63 198ms 7 May 2025 306th albanian-laundromat 797 88 1,372ms 5 Jan 2026 307th Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 307th error256 795 54 26ms 2 May 2025 307th emgordon154 795 54 41ms 10 days ago 307th ComradeSquirrel 795 54 40ms 9 days ago 307th helbling 🇨🇭 795 54 40ms 9 days ago 312th albanian-laundromat 794 74 10ms 17 days ago 313th Aquateraneal 🇺🇸 793 81 19ms 8 days ago 313th luuumine 🇫🇷 793 81 16ms 7 days ago 315th madex 🇩🇪 792 58 2,632ms 7 days ago 316th albanian-laundromat 792 117 43ms 23 days ago 317th lifthrasiir 🇰🇷 791 68 559ms 11 Dec 2024 317th snoozingnewt 🇨🇦 791 68 412ms 10 hours ago 319th GolfingSuccess 🇬🇷 790 83 114ms 12 Jan 2026 320th albanian-laundromat 789 83 9ms 26 Jan 2026 First Prev 241–320 of 490 Next Last