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 401st h3ra993huskp 🇯🇵 730 100 392ms 10 days ago 401st kmathis22 730 100 403ms 8 days ago 403rd Natanaelel 🇸🇪 729 37 10ms 11 May 2025 404th aksyristos 729 59 13ms 9 days ago 404th acollett89 729 59 13ms 9 days ago 406th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 407th albanian-laundromat 🇺🇸 724 97 46ms 6 Dec 2025 408th plcc0 722 18 9ms 10 days ago 409th MeWhenI 🇻🇦 721 87 4ms 7 days ago 410th MeWhenI 🇻🇦 718 81 428ms 8 days ago 411th madex 🇩🇪 717 50 896ms 12 days ago 412th madex 🇩🇪 717 75 439ms 12 days ago 413th Matter1024 🇮🇳 717 83 163ms 3 days ago 414th Andriamanitra 🇫🇮 713 45 37ms 14 days ago 415th edsrzf 🇳🇿 711 94 459ms 20 May 2025 416th Jacob385 709 103 386ms 11 days ago 417th AlephSquirrel 708 76 433ms 3 Dec 2025 418th elgan65536 🇺🇸 708 117 156ms 9 days ago 419th emgordon154 706 231 1,484ms 11 days ago 420th albanian-laundromat 🇺🇸 705 61 13ms 4 Mar 2026 421st Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 422nd madex 🇩🇪 703 84 359ms 10 days ago 423rd madex 🇩🇪 703 94 99ms 10 days ago 424th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 425th Matter1024 🇮🇳 698 46 38ms 15 days ago 426th aadenboy 🇺🇸 695 81 5ms 9 days ago 427th Andrey-Plotnikov 693 62 34ms 12 Jan 2025 427th XenThe 🇬🇧 693 62 13ms 15 Jul 2025 427th JOrE20 693 62 31ms 27 Feb 2026 427th Protothor 693 62 13ms 11 days ago 427th madeforlosers 693 62 41ms 7 days ago 432nd madex 🇩🇪 692 39 9ms 10 days ago 433rd albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 434th CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 435th albanian-laundromat 🇺🇸 685 75 119ms 5 Jan 2026 436th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 437th KatieLG 🇬🇧 683 47 40ms 7 days ago 438th DialFrost 🇸🇬 679 48 54ms 16 Dec 2025 438th retrohun 679 48 2,812ms 45 hours ago 440th Shanethegamer 🇺🇸 676 76 125ms 13 Dec 2024 441st AlephSquirrel 671 107 29ms 14 May 2025 442nd CaedenHarper 🇨🇦 668 87 380ms 14 days ago 443rd Shanethegamer 🇺🇸 668 124 147ms 3 Jun 2025 444th madex 🇩🇪 662 101 141ms 11 days ago 445th KatieLG 🇬🇧 661 65 12ms 7 days ago 446th madex 🇩🇪 661 79 29ms 11 days ago 447th KatieLG 🇬🇧 656 82 553ms 7 days ago 448th albanian-laundromat 🇺🇸 653 80 28ms 14 days ago 449th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 450th Mikey-Beep 🇬🇧 650 99 17ms 6 hours ago 451st madex 🇩🇪 649 121 8ms 10 days ago 452nd Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 453rd JOrE20 643 100 42ms 15 Dec 2025 454th Yax42 🇫🇷 632 68 13ms 15 days ago 455th madex 🇩🇪 628 87 12ms 12 days ago 456th GolfingSuccess 🇬🇷 626 137 94ms 13 days ago 457th Shanethegamer 🇺🇸 623 68 257ms 13 Dec 2024 458th HumanoidCPU 623 133 162ms 14 days ago 459th IISResetMe 618 58 308ms 12 days ago 460th Shanethegamer 🇺🇸 618 94 371ms 13 Dec 2024 461st UnderKoen 🇳🇱 617 139 1,172ms 14 days ago 462nd Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 463rd Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 464th brian124634 609 103 4ms 6 days ago 465th madex 🇩🇪 605 99 19ms 10 days ago 466th kasarino 603 104 3ms 14 days ago 467th tomh1012 599 97 378ms 15 days ago 468th albanian-laundromat 🇺🇸 598 98 135ms 23 Feb 2026 469th janAkali 🇷🇺 597 99 401ms 7 days ago 470th michelebastione 🇮🇹 593 98 454ms 9 days ago 471st Shanethegamer 🇺🇸 593 121 175ms 13 Dec 2024 472nd madex 🇩🇪 590 119 1,267ms 10 days ago 473rd Solathian 587 46 77ms 13 days ago 474th madex 🇩🇪 566 129 366ms 12 days ago 475th albanian-laundromat 🇺🇸 565 75 238ms 2 Mar 2026 476th prestosilver 🇺🇸 563 105 381ms 7 days ago 477th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 478th JDiLenarda 🇫🇷 536 131 1,330ms 14 days ago 479th Shanethegamer 🇺🇸 521 50 4,026ms 8 May 2025 480th madex 🇩🇪 514 100 133ms 10 days ago First Prev 401–480 of 512 Next Last