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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 153rd addmai 0 77 20ms 24 Jul 2025 153rd hiichbindermax 0 77 19ms 17 Aug 2025 153rd 5cw 🇺🇸 0 77 18ms 22 Aug 2025 153rd davecame 0 77 150ms 25 Sep 2025 153rd SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 153rd jtaxen 0 77 19ms 16 Oct 2025 153rd albanian-laundromat 0 77 19ms 25 Nov 2025 153rd albanian-laundromat 0 77 412ms 6 Dec 2025 153rd anter69 🇭🇺 0 77 18ms 4 Feb 2026 153rd Matter1024 🇮🇳 0 77 17ms 24 days ago 171st jameswmccarty 0 78 20ms 29 Mar 2025 171st DialFrost 🇸🇬 0 78 939ms 10 May 2025 171st DialFrost 🇸🇬 0 78 3ms 10 May 2025 171st solisolu 0 78 20ms 10 Nov 2025 175th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 176th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 176th error256 0 80 466ms 16 Jan 2026 178th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 178th albanian-laundromat 0 81 9ms 21 days ago 178th KasperKivimaeki 🇫🇮 0 81 1,145ms 17 hours ago 181st bricknellj 0 82 17ms 30 Jan 2025 181st dokutan 0 82 17ms 15 Aug 2025 181st aksyristos 0 82 17ms 13 Jan 2026 184th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 184th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 184th error256 0 83 430ms 12 Jan 2026 184th albanian-laundromat 0 83 9ms 26 Jan 2026 188th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 188th edsrzf 🇳🇿 0 85 973ms 25 May 2025 188th albanian-laundromat 0 85 92ms 6 Dec 2025 188th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 192nd kg583 🇺🇸 0 86 23ms 2 Oct 2025 193rd sean-niemann 🇺🇸 0 87 42ms 9 May 2025 194th edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 194th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 194th solisolu 0 88 3ms 11 Nov 2025 194th albanian-laundromat 0 88 1,272ms 5 Jan 2026 194th GolfingSuccess 🇬🇷 0 88 1,013ms 14 Jan 2026 194th error256 0 88 3,068ms 14 Jan 2026 194th IanUtley 0 88 3,031ms 16 Jan 2026 201st Shanethegamer 🇺🇸 0 89 99ms 13 Dec 2024 201st GolfingSuccess 🇬🇷 0 89 57ms 12 Jan 2026 203rd sean-niemann 🇺🇸 0 90 7ms 10 May 2025 203rd dokutan 0 90 65ms 8 Feb 2026 205th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 205th error256 0 91 55ms 12 Jan 2026 205th error256 0 91 293ms 14 Jan 2026 205th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 209th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 210th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 210th edsrzf 🇳🇿 0 94 459ms 20 May 2025 212th albanian-laundromat 0 95 114ms 6 Jan 2026 213th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 213th stefangimmillaro 0 96 20ms 10 May 2025 213th Shanethegamer 🇺🇸 0 96 437ms 3 Jun 2025 213th albanian-laundromat 0 96 5ms 6 Dec 2025 217th edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 217th albanian-laundromat 0 97 44ms 6 Dec 2025 219th kumavale 0 98 155ms 26 Nov 2025 219th error256 0 98 160ms 16 Jan 2026 219th albanian-laundromat 0 98 120ms 13 days ago 222nd edsrzf 🇳🇿 0 99 521ms 9 May 2025 222nd Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 224th edsrzf 🇳🇿 0 100 145ms 9 May 2025 224th edsrzf 🇳🇿 0 100 307ms 9 May 2025 224th edsrzf 🇳🇿 0 100 16ms 9 May 2025 224th emgordon154 0 100 7ms 9 May 2025 224th JOrE20 0 100 42ms 15 Dec 2025 229th rucin93 🇵🇱 0 101 373ms 3 days ago 230th edsrzf 🇳🇿 0 102 440ms 16 Jun 2025 231st CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 232nd kg583 🇺🇸 0 106 38ms 9 May 2025 233rd Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 233rd AlephSquirrel 0 107 20ms 14 May 2025 235th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 235th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 235th albanian-laundromat 0 108 31ms 5 Jan 2026 238th kg583 🇺🇸 0 109 41ms 6 days ago 238th GolfingSuccess 🇬🇷 0 109 41ms 5 days ago 240th GolfingSuccess 🇬🇷 0 112 44ms 24 Jan 2026 First Prev 161–240 of 259 Next Last