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 161st AlephSquirrel 847 76 38ms 3 Dec 2025 161st MeWhenI 🇻🇦 847 76 605ms 26 days ago 161st duckyluuk 🇳🇱 847 76 120ms 15 days ago 161st emgordon154 847 76 310ms 7 days ago 165th Natanaelel 🇸🇪 846 38 41ms 8 May 2025 165th ovs-code 🇩🇪 846 38 38ms 13 Jan 2026 165th pardouin 🇫🇷 846 38 37ms 19 Feb 2026 165th stefangimmillaro 846 38 42ms 7 days ago 169th Steffan153 🇫🇮 846 68 487ms 10 days ago 169th edsrzf 🇳🇿 846 68 495ms 9 days ago 171st error256 846 98 155ms 16 Jan 2026 171st edsrzf 🇳🇿 846 98 157ms 16 days ago 173rd lyphyser 845 41 59ms 16 days ago 174th GolfingSuccess 🇬🇷 845 49 33ms 12 Jan 2026 174th albanian-laundromat 🇺🇸 845 49 32ms 9 Mar 2026 174th MeWhenI 🇻🇦 845 49 33ms 16 days ago 177th madex 🇩🇪 845 67 9ms 15 days ago 178th GolfingSuccess 🇬🇷 845 69 402ms 14 Jan 2026 178th error256 845 69 398ms 19 days ago 178th Steffan153 🇫🇮 845 69 439ms 10 days ago 178th stefangimmillaro 845 69 398ms 9 days ago 182nd edsrzf 🇳🇿 845 83 1,251ms 17 days ago 182nd Steffan153 🇫🇮 845 83 1,350ms 10 days ago 184th GolfingSuccess 🇬🇷 845 85 28ms 14 Jan 2026 184th edsrzf 🇳🇿 845 85 28ms 17 days ago 186th GolfingSuccess 🇬🇷 844 51 36ms 12 Jan 2026 186th sean-niemann 🇺🇸 844 51 35ms 15 Jan 2026 186th Steffan153 🇫🇮 844 51 39ms 19 Feb 2026 186th Natanaelel 🇸🇪 844 51 35ms 17 days ago 186th voytxt 🇨🇿 844 51 34ms 9 days ago 191st ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 191st error256 843 91 293ms 14 Jan 2026 191st GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 191st Natanaelel 🇸🇪 843 91 311ms 17 days ago 191st edsrzf 🇳🇿 843 91 292ms 10 days ago 191st Steffan153 🇫🇮 843 91 285ms 10 days ago 197th Steffan153 🇫🇮 842 62 56ms 10 days ago 198th edsrzf 🇳🇿 841 78 110ms 10 days ago 198th Steffan153 🇫🇮 841 78 102ms 10 days ago 200th edsrzf 🇳🇿 840 48 818ms 17 days ago 201st error256 840 80 466ms 16 Jan 2026 202nd error256 839 55 2,436ms 15 Feb 2026 203rd GolfingSuccess 🇬🇷 839 70 15ms 10 days ago 203rd rucin93 🇵🇱 839 70 15ms 5 days ago 205th Yax42 🇫🇷 838 75 4ms 17 days ago 206th GolfingSuccess 🇬🇷 838 117 330ms 12 Jan 2026 206th Steffan153 🇫🇮 838 117 329ms 10 days ago 208th DialFrost 🇸🇬 837 70 116ms 15 days ago 208th Steffan153 🇫🇮 837 70 2,152ms 10 days ago 210th stefangimmillaro 837 99 194ms 11 days ago 210th Steffan153 🇫🇮 837 99 157ms 10 days ago 212th lifthrasiir 🇰🇷 836 77 186ms 11 Dec 2024 212th Shanethegamer 🇺🇸 836 77 18ms 13 Dec 2024 212th addmai 836 77 20ms 24 Jul 2025 212th hiichbindermax 836 77 18ms 17 Aug 2025 212th 5cw 🇺🇸 836 77 20ms 22 Aug 2025 212th davecame 836 77 142ms 25 Sep 2025 212th SirBogman 🇺🇸 836 77 244ms 13 Oct 2025 212th jtaxen 836 77 27ms 16 Oct 2025 212th albanian-laundromat 🇺🇸 836 77 23ms 25 Nov 2025 212th anter69 🇭🇺 836 77 147ms 4 Feb 2026 212th Matter1024 🇮🇳 836 77 19ms 12 Feb 2026 212th KasperKivimaeki 🇫🇮 836 77 589ms 26 days ago 212th StefanHabel 🇨🇦 836 77 1,323ms 18 days ago 212th ahmetdemirag 🇨🇾 836 77 18ms 17 days ago 212th tomh1012 836 77 19ms 17 days ago 212th HumanoidCPU 836 77 246ms 17 days ago 212th qpwoeirut 836 77 19ms 17 days ago 212th btjones0 836 77 18ms 17 days ago 212th ComradeSquirrel 836 77 18ms 17 days ago 212th bzijlema 🇳🇱 836 77 19ms 17 days ago 212th Lv0Sys 🇵🇱 836 77 20ms 15 days ago 212th LostSyntax21 🇬🇧 836 77 18ms 12 days ago 212th scpchicken 🇵🇼 836 77 18ms 10 days ago 212th Andrey2001 836 77 19ms 9 days ago 212th guilhem-roy 🇫🇷 836 77 17ms 9 days ago 212th jameswmccarty 836 77 19ms 8 days ago 212th mantaslu 🇱🇹 836 77 18ms 8 days ago 212th snoozingnewt 🇨🇦 836 77 19ms 7 days ago 212th firegene 🇮🇪 836 77 19ms 7 days ago First Prev 161–240 of 536 Next Last