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 160th MeWhenI 🇻🇦 844 76 586ms 17 days ago 160th duckyluuk 🇳🇱 844 76 200ms 7 days ago 163rd GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 163rd error256 843 69 410ms 10 days ago 163rd Steffan153 🇫🇮 843 69 493ms 40 hours ago 163rd stefangimmillaro 843 69 398ms 26 hours ago 167th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 168th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 168th error256 843 91 293ms 14 Jan 2026 168th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 168th Natanaelel 🇸🇪 843 91 311ms 9 days ago 168th edsrzf 🇳🇿 843 91 546ms 39 hours ago 168th Steffan153 🇫🇮 843 91 285ms 39 hours ago 174th GolfingSuccess 🇬🇷 842 51 33ms 12 Jan 2026 174th sean-niemann 🇺🇸 842 51 32ms 15 Jan 2026 174th Steffan153 🇫🇮 842 51 33ms 19 Feb 2026 174th Natanaelel 🇸🇪 842 51 34ms 9 days ago 174th voytxt 🇨🇿 842 51 33ms 23 hours ago 179th Steffan153 🇫🇮 842 62 56ms 39 hours ago 180th madex 🇩🇪 840 67 9ms 6 days ago 181st stefangimmillaro 840 99 150ms 2 days ago 181st Steffan153 🇫🇮 840 99 157ms 36 hours ago 183rd GolfingSuccess 🇬🇷 839 70 15ms 35 hours ago 184th albanian-laundromat 838 48 4ms 19 hours ago 185th Steffan153 🇫🇮 838 68 487ms 39 hours ago 185th edsrzf 🇳🇿 838 68 495ms 7 hours ago 187th edsrzf 🇳🇿 837 48 818ms 8 days ago 188th DialFrost 🇸🇬 837 70 116ms 7 days ago 188th Steffan153 🇫🇮 837 70 2,152ms 39 hours ago 190th Yax42 🇫🇷 836 75 4ms 8 days ago 191st error256 836 80 466ms 16 Jan 2026 192nd error256 835 55 2,813ms 15 Feb 2026 193rd kg583 🇺🇸 835 86 23ms 2 Oct 2025 194th edsrzf 🇳🇿 835 94 6ms 7 days ago 194th albanian-laundromat 835 94 6ms 7 days ago 194th sean-niemann 🇺🇸 835 94 6ms 3 days ago 194th Steffan153 🇫🇮 835 94 6ms 39 hours ago 198th edsrzf 🇳🇿 835 96 32ms 8 days ago 198th Steffan153 🇫🇮 835 96 30ms 3 days ago 200th bitsandbeyond 🇳🇱 834 43 1,057ms 13 days ago 201st GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 201st Steffan153 🇫🇮 834 117 340ms 42 hours ago 203rd lifthrasiir 🇰🇷 833 77 192ms 11 Dec 2024 203rd Shanethegamer 🇺🇸 833 77 19ms 13 Dec 2024 203rd emgordon154 833 77 161ms 9 May 2025 203rd addmai 833 77 20ms 24 Jul 2025 203rd hiichbindermax 833 77 17ms 17 Aug 2025 203rd 5cw 🇺🇸 833 77 18ms 22 Aug 2025 203rd davecame 833 77 135ms 25 Sep 2025 203rd SirBogman 🇺🇸 833 77 232ms 13 Oct 2025 203rd jtaxen 833 77 19ms 16 Oct 2025 203rd albanian-laundromat 833 77 19ms 25 Nov 2025 203rd anter69 🇭🇺 833 77 133ms 4 Feb 2026 203rd Matter1024 🇮🇳 833 77 17ms 12 Feb 2026 203rd KasperKivimaeki 🇫🇮 833 77 564ms 17 days ago 203rd StefanHabel 🇨🇦 833 77 1,217ms 9 days ago 203rd ahmetdemirag 🇨🇾 833 77 18ms 9 days ago 203rd tomh1012 833 77 17ms 9 days ago 203rd HumanoidCPU 833 77 230ms 8 days ago 203rd qpwoeirut 833 77 19ms 8 days ago 203rd btjones0 833 77 19ms 8 days ago 203rd ComradeSquirrel 833 77 18ms 8 days ago 203rd bzijlema 🇳🇱 833 77 18ms 8 days ago 203rd Lv0Sys 🇵🇱 833 77 18ms 7 days ago 203rd stefangimmillaro 833 77 136ms 4 days ago 203rd LostSyntax21 🇬🇧 833 77 18ms 4 days ago 203rd scpchicken 🇵🇼 833 77 18ms 37 hours ago 203rd Andrey2001 833 77 18ms 29 hours ago 203rd guilhem-roy 🇫🇷 833 77 19ms 22 hours ago 230th edsrzf 🇳🇿 833 78 119ms 39 hours ago 230th Steffan153 🇫🇮 833 78 102ms 39 hours ago 232nd GolfingSuccess 🇬🇷 830 86 2,109ms 24 days ago 232nd Steffan153 🇫🇮 830 86 2,054ms 39 hours ago 234th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 235th edsrzf 🇳🇿 829 62 111ms 8 days ago 236th MeWhenI 🇻🇦 827 118 284ms 5 days ago 237th Lv0Sys 🇵🇱 826 52 12ms 7 days ago 238th albanian-laundromat 826 69 514ms 6 Dec 2025 239th MeWhenI 🇻🇦 826 80 106ms 2 days ago 240th edsrzf 🇳🇿 826 100 145ms 9 May 2025 First Prev 161–240 of 486 Next Last