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 error256 843 91 293ms 14 Jan 2026 160th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 160th Natanaelel 🇸🇪 843 91 311ms 8 days ago 160th edsrzf 🇳🇿 843 91 546ms 16 hours ago 160th Steffan153 🇫🇮 843 91 285ms 16 hours ago 166th Natanaelel 🇸🇪 842 38 41ms 8 May 2025 166th ovs-code 🇩🇪 842 38 38ms 13 Jan 2026 166th pardouin 🇫🇷 842 38 37ms 19 Feb 2026 169th lukegustafson 🇺🇸 842 51 35ms 16 Jun 2025 169th GolfingSuccess 🇬🇷 842 51 33ms 12 Jan 2026 169th sean-niemann 🇺🇸 842 51 32ms 15 Jan 2026 169th Steffan153 🇫🇮 842 51 33ms 19 Feb 2026 169th Natanaelel 🇸🇪 842 51 34ms 8 days ago 169th voytxt 🇨🇿 842 51 33ms 30 mins ago 175th Steffan153 🇫🇮 842 62 56ms 16 hours ago 176th madex 🇩🇪 840 67 9ms 5 days ago 177th GolfingSuccess 🇬🇷 839 70 15ms 12 hours ago 178th edsrzf 🇳🇿 837 48 1,062ms 7 days ago 179th DialFrost 🇸🇬 837 70 116ms 6 days ago 179th Steffan153 🇫🇮 837 70 2,152ms 16 hours ago 181st stefangimmillaro 837 99 150ms 34 hours ago 181st Steffan153 🇫🇮 837 99 157ms 13 hours ago 183rd error256 836 80 466ms 16 Jan 2026 184th kg583 🇺🇸 835 86 23ms 2 Oct 2025 185th edsrzf 🇳🇿 835 94 6ms 6 days ago 185th albanian-laundromat 835 94 6ms 6 days ago 185th sean-niemann 🇺🇸 835 94 6ms 2 days ago 185th Steffan153 🇫🇮 835 94 6ms 16 hours ago 189th edsrzf 🇳🇿 835 96 32ms 7 days ago 189th Steffan153 🇫🇮 835 96 30ms 2 days ago 191st bitsandbeyond 🇳🇱 834 43 3,231ms 12 days ago 192nd Yax42 🇫🇷 834 75 4ms 7 days ago 193rd GolfingSuccess 🇬🇷 834 117 283ms 12 Jan 2026 193rd Steffan153 🇫🇮 834 117 340ms 19 hours ago 195th edsrzf 🇳🇿 833 78 119ms 15 hours ago 195th Steffan153 🇫🇮 833 78 102ms 15 hours ago 197th lifthrasiir 🇰🇷 832 77 192ms 11 Dec 2024 197th Shanethegamer 🇺🇸 832 77 19ms 13 Dec 2024 197th emgordon154 832 77 161ms 9 May 2025 197th addmai 832 77 20ms 24 Jul 2025 197th hiichbindermax 832 77 17ms 17 Aug 2025 197th 5cw 🇺🇸 832 77 18ms 22 Aug 2025 197th davecame 832 77 135ms 25 Sep 2025 197th SirBogman 🇺🇸 832 77 232ms 13 Oct 2025 197th jtaxen 832 77 19ms 16 Oct 2025 197th albanian-laundromat 832 77 19ms 25 Nov 2025 197th anter69 🇭🇺 832 77 133ms 4 Feb 2026 197th Matter1024 🇮🇳 832 77 17ms 12 Feb 2026 197th KasperKivimaeki 🇫🇮 832 77 564ms 16 days ago 197th StefanHabel 🇨🇦 832 77 1,217ms 8 days ago 197th ahmetdemirag 🇨🇾 832 77 18ms 8 days ago 197th tomh1012 832 77 17ms 8 days ago 197th HumanoidCPU 832 77 230ms 7 days ago 197th qpwoeirut 832 77 19ms 7 days ago 197th btjones0 832 77 19ms 7 days ago 197th ComradeSquirrel 832 77 18ms 7 days ago 197th bzijlema 🇳🇱 832 77 18ms 7 days ago 197th Lv0Sys 🇵🇱 832 77 18ms 6 days ago 197th stefangimmillaro 832 77 136ms 3 days ago 197th LostSyntax21 🇬🇧 832 77 18ms 3 days ago 197th scpchicken 🇵🇼 832 77 18ms 14 hours ago 197th Andrey2001 832 77 18ms 6 hours ago 223rd error256 830 55 2,813ms 15 Feb 2026 224th GolfingSuccess 🇬🇷 830 86 2,109ms 23 days ago 224th Steffan153 🇫🇮 830 86 2,054ms 16 hours ago 226th anter69 🇭🇺 829 47 1,210ms 4 Feb 2026 227th edsrzf 🇳🇿 829 62 111ms 7 days ago 228th Steffan153 🇫🇮 829 68 487ms 16 hours ago 229th MeWhenI 🇻🇦 827 118 284ms 4 days ago 230th Lv0Sys 🇵🇱 826 52 12ms 6 days ago 231st MeWhenI 🇻🇦 826 80 106ms 34 hours ago 232nd edsrzf 🇳🇿 826 100 145ms 9 May 2025 233rd ovs-code 🇩🇪 825 71 139ms 6 days ago 234th Lv0Sys 🇵🇱 825 81 437ms 6 days ago 235th error256 825 91 62ms 12 Jan 2026 235th Steffan153 🇫🇮 825 91 57ms 6 days ago 237th kg583 🇺🇸 824 109 42ms 3 Mar 2026 237th GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 237th edsrzf 🇳🇿 824 109 43ms 7 days ago 237th Steffan153 🇫🇮 824 109 43ms 19 hours ago First Prev 161–240 of 477 Next Last