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 madex 🇩🇪 692 39 16ms 4 days ago 402nd CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 403rd albanian-laundromat 685 75 108ms 5 Jan 2026 404th GolfingSuccess 🇬🇷 685 137 94ms 6 days ago 405th albanian-laundromat 684 19 4ms 13 Feb 2026 406th albanian-laundromat 684 95 114ms 6 Jan 2026 407th KatieLG 🇬🇧 682 47 40ms 25 hours ago 408th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 409th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 410th UnderKoen 🇳🇱 675 139 1,178ms 7 days ago 411th AlephSquirrel 671 107 20ms 14 May 2025 412th CaedenHarper 🇨🇦 668 87 430ms 8 days ago 413th Shanethegamer 🇺🇸 668 124 147ms 3 Jun 2025 414th madex 🇩🇪 662 101 141ms 4 days ago 415th KatieLG 🇬🇧 661 65 11ms 25 hours ago 416th madex 🇩🇪 661 79 29ms 4 days ago 417th KatieLG 🇬🇧 655 82 686ms 26 hours ago 418th albanian-laundromat 653 80 28ms 7 days ago 419th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 420th madex 🇩🇪 649 121 8ms 4 days ago 421st Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 422nd JOrE20 641 100 42ms 15 Dec 2025 423rd Yax42 🇫🇷 632 68 12ms 8 days ago 424th madex 🇩🇪 628 87 12ms 5 days ago 425th Shanethegamer 🇺🇸 623 68 257ms 13 Dec 2024 426th HumanoidCPU 623 133 162ms 8 days ago 427th IISResetMe 618 58 308ms 6 days ago 428th Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 429th Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 430th Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 431st madex 🇩🇪 605 99 19ms 4 days ago 432nd kasarino 602 104 4ms 7 days ago 433rd tomh1012 599 97 378ms 8 days ago 434th albanian-laundromat 598 98 135ms 23 Feb 2026 435th janAkali 🇷🇺 597 99 401ms 20 hours ago 436th michelebastione 🇮🇹 593 98 454ms 2 days ago 437th Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 438th madex 🇩🇪 590 119 1,351ms 4 days ago 439th Solathian 587 46 98ms 6 days ago 440th retrohun 578 111 41ms 8 days ago 441st albanian-laundromat 565 75 238ms 2 Mar 2026 442nd prestosilver 🇺🇸 563 105 408ms 13 hours ago 443rd madex 🇩🇪 563 129 366ms 5 days ago 444th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 445th JDiLenarda 🇫🇷 536 131 1,330ms 7 days ago 446th Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 447th madex 🇩🇪 514 100 112ms 4 days ago 448th AstroOrbis 509 126 23ms 12 Aug 2025 449th madex 🇩🇪 487 53 952ms 5 days ago 450th HumanoidCPU 484 120 401ms 2 days ago 451st Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 452nd madex 🇩🇪 471 170 36ms 4 days ago 453rd Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 454th vang1ong7ang 438 189 209ms 14 hours ago 455th Msleizak 🇫🇷 427 84 302ms 2 days ago 456th madex 🇩🇪 416 78 91ms 4 days ago 457th muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 458th darrenks 🇺🇸 0 6 50ms 8 days ago 458th 2bular 0 6 45ms 8 days ago 458th Natanaelel 🇸🇪 0 6 48ms 8 days ago 458th plcc0 0 6 48ms 7 days ago 462nd kg583 🇺🇸 0 10 927ms 8 May 2025 463rd namelessiw 0 14 335ms 25 Oct 2025 463rd themoonisacheese 0 14 2,448ms 13 hours ago 465th AlephSquirrel 0 31 8ms 3 Dec 2025 465th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 467th AlephSquirrel 0 42 5ms 3 Dec 2025 467th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 469th Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 470th ovs-code 🇩🇪 0 53 125ms 30 May 2025 471st madex 🇩🇪 0 59 1,185ms 5 days ago 472nd GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 473rd Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 474th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 474th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 476th KatieLG 🇬🇧 0 81 67ms 3 days ago 477th dokutan 0 90 65ms 8 Feb 2026 478th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 479th btjones0 0 126 168ms 7 days ago 480th edsrzf 🇳🇿 0 136 4,806ms 19 May 2025 First Prev 401–480 of 480