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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 148th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 148th jtaxen 0 77 19ms 16 Oct 2025 148th albanian-laundromat 0 77 19ms 25 Nov 2025 148th albanian-laundromat 0 77 366ms 6 Dec 2025 148th anter69 🇭🇺 0 77 19ms 15 days ago 148th Matter1024 🇮🇳 0 77 17ms 7 days ago 167th jameswmccarty 0 78 20ms 29 Mar 2025 167th DialFrost 🇸🇬 0 78 939ms 10 May 2025 167th DialFrost 🇸🇬 0 78 3ms 10 May 2025 167th solisolu 0 78 20ms 10 Nov 2025 171st KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 172nd Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 172nd error256 0 80 466ms 16 Jan 2026 174th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 174th albanian-laundromat 0 81 9ms 4 days ago 176th bricknellj 0 82 17ms 30 Jan 2025 176th dokutan 0 82 17ms 15 Aug 2025 176th aksyristos 0 82 17ms 13 Jan 2026 179th GolfingSuccess 🇬🇷 0 83 111ms 12 Jan 2026 179th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 179th error256 0 83 430ms 12 Jan 2026 179th albanian-laundromat 0 83 9ms 24 days ago 183rd albanian-laundromat 0 84 135ms 4 days ago 184th Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 184th edsrzf 🇳🇿 0 85 973ms 25 May 2025 184th albanian-laundromat 0 85 92ms 6 Dec 2025 184th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 188th kg583 🇺🇸 0 86 22ms 2 Oct 2025 189th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 190th edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 190th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 190th solisolu 0 88 3ms 11 Nov 2025 190th albanian-laundromat 0 88 1,304ms 5 Jan 2026 190th GolfingSuccess 🇬🇷 0 88 1,013ms 14 Jan 2026 190th error256 0 88 3,068ms 14 Jan 2026 190th IanUtley 0 88 3,031ms 16 Jan 2026 197th Shanethegamer 🇺🇸 0 89 97ms 13 Dec 2024 197th GolfingSuccess 🇬🇷 0 89 61ms 12 Jan 2026 199th sean-niemann 🇺🇸 0 90 6ms 10 May 2025 199th rucin93 🇵🇱 0 90 7ms 10 May 2025 199th dokutan 0 90 65ms 11 days ago 202nd ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 202nd error256 0 91 61ms 12 Jan 2026 202nd error256 0 91 293ms 14 Jan 2026 202nd GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 206th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 207th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 207th edsrzf 🇳🇿 0 94 459ms 20 May 2025 209th albanian-laundromat 0 95 119ms 6 Jan 2026 210th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 210th stefangimmillaro 0 96 20ms 10 May 2025 210th Shanethegamer 🇺🇸 0 96 373ms 3 Jun 2025 210th albanian-laundromat 0 96 5ms 6 Dec 2025 214th edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 214th albanian-laundromat 0 97 44ms 6 Dec 2025 216th kumavale 0 98 146ms 26 Nov 2025 216th error256 0 98 151ms 16 Jan 2026 218th edsrzf 🇳🇿 0 99 481ms 9 May 2025 218th Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 220th edsrzf 🇳🇿 0 100 145ms 9 May 2025 220th edsrzf 🇳🇿 0 100 307ms 9 May 2025 220th edsrzf 🇳🇿 0 100 18ms 9 May 2025 220th emgordon154 0 100 7ms 9 May 2025 220th JOrE20 0 100 42ms 15 Dec 2025 225th edsrzf 🇳🇿 0 102 416ms 16 Jun 2025 226th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 227th kg583 🇺🇸 0 106 38ms 9 May 2025 228th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 228th AlephSquirrel 0 107 20ms 14 May 2025 230th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 230th edsrzf 🇳🇿 0 108 1,736ms 21 May 2025 230th albanian-laundromat 0 108 31ms 5 Jan 2026 233rd GolfingSuccess 🇬🇷 0 112 44ms 26 days ago 234th Shanethegamer 🇺🇸 0 114 1,370ms 9 May 2025 234th edsrzf 🇳🇿 0 114 697ms 9 May 2025 234th error256 0 114 480ms 21 days ago 237th GolfingSuccess 🇬🇷 0 117 298ms 12 Jan 2026 238th edsrzf 🇳🇿 0 118 731ms 9 May 2025 239th Shanethegamer 🇺🇸 0 121 148ms 13 Dec 2024 239th albanian-laundromat 0 121 78ms 9 Dec 2025 First Prev 161–240 of 253 Next Last