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 399th JOrE20 693 62 29ms 27 Feb 2026 399th Protothor 693 62 12ms 5 days ago 399th madeforlosers 693 62 32ms 16 hours ago 404th madex 🇩🇪 692 39 16ms 4 days ago 405th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 406th albanian-laundromat 685 75 108ms 5 Jan 2026 407th albanian-laundromat 684 19 4ms 13 Feb 2026 408th albanian-laundromat 684 95 114ms 6 Jan 2026 409th KatieLG 🇬🇧 682 47 40ms 33 hours ago 410th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 411th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 412th AlephSquirrel 671 107 20ms 14 May 2025 413th CaedenHarper 🇨🇦 668 87 430ms 8 days ago 414th Shanethegamer 🇺🇸 668 124 147ms 3 Jun 2025 415th madex 🇩🇪 662 101 141ms 4 days ago 416th KatieLG 🇬🇧 661 65 11ms 33 hours ago 417th madex 🇩🇪 661 79 29ms 4 days ago 418th KatieLG 🇬🇧 655 82 686ms 33 hours ago 419th albanian-laundromat 653 80 28ms 8 days ago 420th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 421st madex 🇩🇪 649 121 8ms 4 days ago 422nd Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 423rd JOrE20 641 100 42ms 15 Dec 2025 424th Yax42 🇫🇷 632 68 12ms 8 days ago 425th madex 🇩🇪 628 87 12ms 6 days ago 426th GolfingSuccess 🇬🇷 626 137 94ms 7 days ago 427th Shanethegamer 🇺🇸 623 68 257ms 13 Dec 2024 428th HumanoidCPU 623 133 162ms 8 days ago 429th IISResetMe 618 58 308ms 6 days ago 430th Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 431st UnderKoen 🇳🇱 617 139 1,178ms 7 days ago 432nd Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 433rd Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 434th madex 🇩🇪 605 99 19ms 4 days ago 435th kasarino 602 104 4ms 7 days ago 436th tomh1012 599 97 378ms 8 days ago 437th albanian-laundromat 598 98 135ms 23 Feb 2026 438th janAkali 🇷🇺 597 99 401ms 27 hours ago 439th michelebastione 🇮🇹 593 98 454ms 2 days ago 440th Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 441st madex 🇩🇪 590 119 1,351ms 4 days ago 442nd Solathian 587 46 98ms 6 days ago 443rd retrohun 578 111 41ms 8 days ago 444th albanian-laundromat 565 75 238ms 2 Mar 2026 445th madex 🇩🇪 564 129 366ms 6 days ago 446th prestosilver 🇺🇸 563 105 408ms 21 hours ago 447th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 448th JDiLenarda 🇫🇷 536 131 1,330ms 7 days ago 449th Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 450th madex 🇩🇪 514 100 112ms 4 days ago 451st AstroOrbis 509 126 23ms 12 Aug 2025 452nd madex 🇩🇪 487 53 952ms 6 days ago 453rd HumanoidCPU 484 120 401ms 2 days ago 454th Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 455th madex 🇩🇪 471 170 36ms 4 days ago 456th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 457th vang1ong7ang 438 189 209ms 21 hours ago 458th Msleizak 🇫🇷 427 84 302ms 2 days ago 459th madex 🇩🇪 416 78 91ms 4 days ago 460th muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 461st darrenks 🇺🇸 0 6 50ms 8 days ago 461st 2bular 0 6 45ms 8 days ago 461st Natanaelel 🇸🇪 0 6 48ms 8 days ago 461st plcc0 0 6 48ms 7 days ago 465th kg583 🇺🇸 0 10 927ms 8 May 2025 466th namelessiw 0 14 335ms 25 Oct 2025 466th themoonisacheese 0 14 2,448ms 20 hours ago 468th AlephSquirrel 0 31 8ms 3 Dec 2025 468th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 470th AlephSquirrel 0 42 5ms 3 Dec 2025 470th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 472nd Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 473rd ovs-code 🇩🇪 0 53 125ms 30 May 2025 474th madex 🇩🇪 0 59 1,185ms 6 days ago 475th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 476th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 477th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 477th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 479th KatieLG 🇬🇧 0 81 67ms 3 days ago 480th dokutan 0 90 65ms 8 Feb 2026 First Prev 401–480 of 483 Next Last