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 240th Steffan153 🇫🇮 825 91 57ms 6 days ago 242nd roelderickx 825 104 61ms 63 mins ago 243rd kg583 🇺🇸 824 109 42ms 3 Mar 2026 243rd GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 243rd edsrzf 🇳🇿 824 109 43ms 8 days ago 243rd Steffan153 🇫🇮 824 109 43ms 33 hours ago 247th error256 823 59 68ms 13 Jan 2026 248th ovs-code 🇩🇪 823 76 4ms 10 May 2025 249th jameswmccarty 822 78 19ms 29 Mar 2025 249th solisolu 822 78 20ms 10 Nov 2025 251st stefangimmillaro 820 119 276ms 2 days ago 252nd GolfingSuccess 🇬🇷 819 49 797ms 7 days ago 253rd edsrzf 🇳🇿 819 92 18ms 7 days ago 253rd Steffan153 🇫🇮 819 92 18ms 31 hours ago 253rd emgordon154 819 92 18ms 9 hours ago 256th albanian-laundromat 817 69 514ms 6 Dec 2025 257th edsrzf 🇳🇿 816 64 66ms 26 hours ago 258th emplv 🇱🇻 816 67 6ms 4 days ago 259th rucin93 🇵🇱 816 72 9ms 25 days ago 259th edsrzf 🇳🇿 816 72 9ms 7 days ago 261st Yax42 🇫🇷 816 92 60ms 8 days ago 262nd emgordon154 815 59 8ms 9 hours ago 263rd edsrzf 🇳🇿 815 106 37ms 30 hours ago 264th plcc0 814 66 431ms 6 days ago 265th CaedenHarper 🇨🇦 813 120 274ms 8 days ago 266th MeWhenI 🇻🇦 812 48 1,252ms 2 days ago 267th Natanaelel 🇸🇪 812 77 3ms 11 May 2025 268th BREMAUCY 🇫🇷 812 79 18ms 8 days ago 268th mishak-sys 812 79 411ms 6 days ago 268th firegene 🇮🇪 812 79 18ms 41 hours ago 268th KatieLG 🇬🇧 812 79 19ms 30 hours ago 272nd fantaize 812 102 146ms 22 days ago 272nd madex 🇩🇪 812 102 156ms 6 days ago 274th error256 811 88 3,067ms 14 Jan 2026 274th IanUtley 811 88 2,941ms 16 Jan 2026 276th sean-niemann 🇺🇸 810 62 167ms 19 May 2025 277th MeWhenI 🇻🇦 809 55 50ms 8 days ago 278th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 279th madex 🇩🇪 805 70 485ms 4 days ago 280th emgordon154 805 83 416ms 40 hours ago 281st MeWhenI 🇻🇦 804 50 7ms 7 days ago 282nd error256 803 50 4,638ms 15 Jan 2026 283rd Shanethegamer 🇺🇸 802 67 436ms 7 May 2025 283rd emgordon154 802 67 396ms 9 May 2025 283rd CaedenHarper 🇨🇦 802 67 513ms 11 days ago 283rd fuzzylojik-golf 🇺🇸 802 67 490ms 9 days ago 283rd HumanoidCPU 802 67 577ms 8 days ago 283rd MeWhenI 🇻🇦 802 67 997ms 31 hours ago 289th DialFrost 🇸🇬 802 78 3ms 10 May 2025 289th madex 🇩🇪 802 78 3ms 5 days ago 291st sean-niemann 🇺🇸 801 40 39ms 2 days ago 291st MeWhenI 🇻🇦 801 40 41ms 2 days ago 293rd albanian-laundromat 800 108 83ms 23 days ago 294th albanian-laundromat 800 122 264ms 5 Jan 2026 295th stefangimmillaro 799 116 44ms 27 hours ago 296th Shanethegamer 🇺🇸 797 63 198ms 7 May 2025 297th albanian-laundromat 797 88 1,372ms 5 Jan 2026 298th Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 298th error256 795 54 26ms 2 May 2025 298th emgordon154 795 54 41ms 9 days ago 298th ComradeSquirrel 795 54 40ms 7 days ago 298th helbling 🇨🇭 795 54 40ms 7 days ago 303rd albanian-laundromat 794 74 10ms 16 days ago 304th madex 🇩🇪 792 58 2,632ms 5 days ago 305th Aquateraneal 🇺🇸 792 81 19ms 6 days ago 305th luuumine 🇫🇷 792 81 16ms 5 days ago 307th albanian-laundromat 792 117 43ms 22 days ago 308th lifthrasiir 🇰🇷 790 68 559ms 11 Dec 2024 309th albanian-laundromat 789 83 9ms 26 Jan 2026 310th AdrienHache 🇫🇷 788 44 53ms 4 Feb 2026 311th albanian-laundromat 788 76 18ms 3 Mar 2026 312th albanian-laundromat 788 207 1,463ms 6 Jan 2026 313th CaedenHarper 🇨🇦 787 51 960ms 8 days ago 314th madex 🇩🇪 787 124 272ms 4 days ago 315th GolfingSuccess 🇬🇷 783 83 114ms 12 Jan 2026 316th Yax42 🇫🇷 783 93 392ms 8 days ago 316th MeWhenI 🇻🇦 783 93 386ms 2 days ago 318th stefangimmillaro 782 41 73ms 9 May 2025 318th aksyristos 782 41 104ms 14 days ago 320th bricknellj 782 82 17ms 30 Jan 2025 First Prev 241–320 of 482 Next Last