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 error256 771 67 119ms 30 Jan 2026 402nd Shanethegamer 🇺🇸 767 42 44ms 13 Dec 2024 402nd anter69 🇭🇺 767 42 195ms 4 Feb 2026 402nd madex 🇩🇪 767 42 40ms 26 days ago 402nd GolfingSuccess 🇬🇷 767 42 189ms 20 days ago 406th albanian-laundromat 🇺🇸 767 47 953ms 5 Jan 2026 407th scpchicken 🇵🇼 765 33 36ms 16 days ago 408th CaedenHarper 🇨🇦 765 96 379ms 24 Mar 2026 409th albanian-laundromat 🇺🇸 764 53 901ms 6 Dec 2025 410th Steffan153 🇫🇮 760 114 54ms 20 days ago 411th DialFrost 🇸🇬 758 97 403ms 22 days ago 411th Jacob385 758 97 393ms 9 days ago 413th 4atj 755 36 228ms 21 May 2025 414th Shanethegamer 🇺🇸 754 52 1,584ms 13 Dec 2024 415th Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 416th Lv0Sys 🇵🇱 749 43 41ms 26 days ago 417th albanian-laundromat 🇺🇸 748 108 31ms 5 Jan 2026 418th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 419th albanian-laundromat 🇺🇸 744 97 46ms 6 Dec 2025 420th caleblin125 742 87 19ms 7 days ago 421st Shanethegamer 🇺🇸 742 99 352ms 24 Sep 2025 422nd Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 423rd h3ra993huskp 🇯🇵 735 100 392ms 23 days ago 423rd kmathis22 735 100 403ms 22 days ago 425th Natanaelel 🇸🇪 734 37 10ms 11 May 2025 426th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 427th aksyristos 731 59 14ms 22 days ago 427th acollett89 731 59 13ms 22 days ago 429th dokutan 728 101 361ms 11 days ago 430th MeWhenI 🇻🇦 725 87 4ms 21 days ago 431st MeWhenI 🇻🇦 723 81 413ms 21 days ago 432nd plcc0 722 18 9ms 23 days ago 433rd Matter1024 🇮🇳 722 83 163ms 16 days ago 434th madex 🇩🇪 721 50 979ms 25 days ago 435th madex 🇩🇪 720 75 465ms 25 days ago 435th jusaka 720 75 460ms 5 days ago 437th emgordon154 719 231 1,339ms 24 days ago 438th edsrzf 🇳🇿 718 94 459ms 20 May 2025 439th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 440th Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 441st madex 🇩🇪 711 94 109ms 24 days ago 442nd elgan65536 🇺🇸 711 117 164ms 23 days ago 443rd AlephSquirrel 710 76 427ms 3 Dec 2025 444th madex 🇩🇪 710 84 359ms 24 days ago 445th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 446th albanian-laundromat 🇺🇸 707 61 12ms 4 Mar 2026 447th aadenboy 🇺🇸 703 81 5ms 22 days ago 448th Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 449th madex 🇩🇪 697 39 9ms 24 days ago 450th Andrey-Plotnikov 696 62 33ms 12 Jan 2025 450th XenThe 🇬🇧 696 62 12ms 15 Jul 2025 450th JOrE20 696 62 27ms 27 Feb 2026 450th Protothor 696 62 11ms 25 days ago 450th madeforlosers 696 62 38ms 20 days ago 450th dokutan 696 62 34ms 11 days ago 456th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 457th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 458th dokutan 691 74 167ms 11 days ago 459th albanian-laundromat 🇺🇸 689 75 115ms 5 Jan 2026 460th dokutan 688 57 1,372ms 11 days ago 461st KatieLG 🇬🇧 685 47 47ms 21 days ago 462nd zakariamouhid 685 63 12ms 7 days ago 463rd albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 464th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 464th retrohun 682 48 2,663ms 15 days ago 466th Arkadios200 682 98 116ms 12 days ago 467th Shanethegamer 🇺🇸 680 76 120ms 13 Dec 2024 468th AlephSquirrel 675 107 23ms 14 May 2025 469th Jonson26 674 109 350ms 11 days ago 470th CaedenHarper 🇨🇦 673 87 386ms 24 Mar 2026 471st Shanethegamer 🇺🇸 671 124 151ms 3 Jun 2025 472nd madex 🇩🇪 668 101 141ms 24 days ago 473rd madex 🇩🇪 666 79 29ms 24 days ago 474th KatieLG 🇬🇧 664 65 15ms 21 days ago 475th albanian-laundromat 🇺🇸 658 80 28ms 27 days ago 476th KatieLG 🇬🇧 658 82 424ms 21 days ago 477th madex 🇩🇪 658 121 8ms 24 days ago 478th Shanethegamer 🇺🇸 657 75 67ms 7 May 2025 479th Mikey-Beep 🇬🇧 652 99 25ms 13 days ago 480th jusaka 652 228 1,710ms 6 days ago First Prev 401–480 of 628 Next Last