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 albanian-laundromat 🇺🇸 764 53 901ms 6 Dec 2025 402nd scpchicken 🇵🇼 762 33 36ms 9 days ago 403rd albanian-laundromat 🇺🇸 762 265 68ms 8 Dec 2025 404th MeWhenI 🇻🇦 761 286 211ms 19 days ago 405th DialFrost 🇸🇬 758 97 403ms 14 days ago 405th Jacob385 758 97 393ms 40 hours ago 407th 4atj 755 36 228ms 21 May 2025 408th Shanethegamer 🇺🇸 754 52 1,314ms 13 Dec 2024 409th Steffan153 🇫🇮 753 114 54ms 13 days ago 410th Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 411th Lv0Sys 🇵🇱 749 43 38ms 19 days ago 412th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 413th Shanethegamer 🇺🇸 742 99 352ms 24 Sep 2025 414th albanian-laundromat 🇺🇸 742 108 31ms 5 Jan 2026 415th Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 416th albanian-laundromat 🇺🇸 736 97 46ms 6 Dec 2025 417th h3ra993huskp 🇯🇵 735 100 392ms 16 days ago 417th kmathis22 735 100 403ms 14 days ago 419th Natanaelel 🇸🇪 734 37 10ms 11 May 2025 420th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 421st aksyristos 731 59 25ms 15 days ago 421st acollett89 731 59 24ms 15 days ago 423rd dokutan 728 101 361ms 3 days ago 424th MeWhenI 🇻🇦 725 87 4ms 13 days ago 425th MeWhenI 🇻🇦 723 81 426ms 14 days ago 426th plcc0 722 18 9ms 16 days ago 427th Matter1024 🇮🇳 722 83 163ms 9 days ago 428th madex 🇩🇪 721 50 896ms 18 days ago 429th madex 🇩🇪 719 75 465ms 18 days ago 430th edsrzf 🇳🇿 718 94 459ms 20 May 2025 431st Andriamanitra 🇫🇮 716 45 37ms 20 days ago 432nd Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 433rd madex 🇩🇪 711 94 99ms 16 days ago 434th elgan65536 🇺🇸 711 117 156ms 15 days ago 435th madex 🇩🇪 710 84 359ms 16 days ago 436th AlephSquirrel 709 76 427ms 3 Dec 2025 437th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 438th albanian-laundromat 🇺🇸 707 61 13ms 4 Mar 2026 439th emgordon154 706 231 1,663ms 17 days ago 440th aadenboy 🇺🇸 703 81 5ms 15 days ago 441st Matter1024 🇮🇳 700 46 38ms 21 days ago 442nd flekAI 700 77 548ms 47 hours ago 443rd madex 🇩🇪 697 39 9ms 16 days ago 444th Andrey-Plotnikov 696 62 39ms 12 Jan 2025 444th XenThe 🇬🇧 696 62 12ms 15 Jul 2025 444th JOrE20 696 62 31ms 27 Feb 2026 444th Protothor 696 62 13ms 17 days ago 444th madeforlosers 696 62 36ms 13 days ago 444th dokutan 696 62 24ms 3 days ago 450th albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 451st CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 452nd albanian-laundromat 🇺🇸 689 75 119ms 5 Jan 2026 453rd dokutan 688 57 1,275ms 3 days ago 454th dokutan 687 74 160ms 3 days ago 455th KatieLG 🇬🇧 685 47 40ms 13 days ago 456th zakariamouhid 685 63 12ms 4 hours ago 457th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 458th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 458th retrohun 682 48 2,663ms 7 days ago 460th Arkadios200 682 98 111ms 4 days ago 461st Shanethegamer 🇺🇸 680 76 125ms 13 Dec 2024 462nd Jonson26 674 109 350ms 4 days ago 463rd CaedenHarper 🇨🇦 673 87 380ms 20 days ago 464th AlephSquirrel 671 107 23ms 14 May 2025 465th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 466th madex 🇩🇪 668 101 141ms 16 days ago 467th KatieLG 🇬🇧 664 65 12ms 13 days ago 467th flekAI 664 65 12ms 46 hours ago 469th madex 🇩🇪 661 79 29ms 16 days ago 470th madex 🇩🇪 658 121 8ms 16 days ago 471st KatieLG 🇬🇧 657 82 424ms 13 days ago 472nd albanian-laundromat 🇺🇸 653 80 28ms 20 days ago 473rd flekAI 653 84 7ms 46 hours ago 474th Mikey-Beep 🇬🇧 651 99 25ms 6 days ago 475th Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 476th JOrE20 644 100 46ms 15 Dec 2025 476th tails618 644 100 22ms 34 hours ago 478th Yax42 🇫🇷 635 68 13ms 21 days ago 479th madex 🇩🇪 631 87 14ms 18 days ago 480th Shanethegamer 🇺🇸 630 68 254ms 13 Dec 2024 First Prev 401–480 of 581 Next Last