Gray Code Decoder in all languages in chars. 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 Chars Time Submitted 321st Shanethegamer 🇺🇸 764 42 41ms 13 Dec 2024 321st anter69 🇭🇺 764 42 193ms 4 Feb 2026 321st madex 🇩🇪 764 42 40ms 14 days ago 321st GolfingSuccess 🇬🇷 764 42 192ms 9 days ago 325th emgordon154 764 113 96ms 8 days ago 326th albanian-laundromat 🇺🇸 763 47 1,130ms 5 Jan 2026 327th scpchicken 🇵🇼 762 33 36ms 5 days ago 328th CaedenHarper 🇨🇦 762 96 379ms 16 days ago 329th albanian-laundromat 🇺🇸 762 265 68ms 8 Dec 2025 330th MeWhenI 🇻🇦 761 286 211ms 15 days ago 331st albanian-laundromat 🇺🇸 758 53 901ms 6 Dec 2025 332nd lukegustafson 🇺🇸 758 74 194ms 9 Mar 2026 333rd madex 🇩🇪 757 70 485ms 12 days ago 334th DialFrost 🇸🇬 754 97 403ms 10 days ago 335th Steffan153 🇫🇮 753 114 53ms 9 days ago 336th Shanethegamer 🇺🇸 751 67 408ms 7 May 2025 336th CaedenHarper 🇨🇦 751 67 565ms 19 days ago 336th fuzzylojik-golf 🇺🇸 751 67 481ms 17 days ago 336th MeWhenI 🇻🇦 751 67 1,038ms 9 days ago 340th 4atj 750 36 228ms 21 May 2025 341st Shanethegamer 🇺🇸 749 52 1,314ms 13 Dec 2024 342nd Natanaelel 🇸🇪 748 75 20ms 11 May 2025 342nd commandz0 🇺🇸 748 75 1,254ms 27 Aug 2025 342nd GolfingSuccess 🇬🇷 748 75 18ms 11 Jan 2026 342nd madex 🇩🇪 748 75 26ms 22 days ago 342nd CaedenHarper 🇨🇦 748 75 158ms 19 days ago 342nd edsrzf 🇳🇿 748 75 18ms 16 days ago 342nd zgialor-lab 748 75 28ms 16 days ago 342nd DialFrost 🇸🇬 748 75 28ms 12 days ago 342nd sean-niemann 🇺🇸 748 75 181ms 11 days ago 342nd stefangimmillaro 748 75 26ms 6 days ago 342nd FortuiteMan 🇫🇷 748 75 23ms 45 hours ago 353rd snyderek 🇺🇸 748 101 433ms 9 days ago 354th Shanethegamer 🇺🇸 747 89 106ms 13 Dec 2024 355th Lv0Sys 🇵🇱 746 43 38ms 15 days ago 356th albanian-laundromat 🇺🇸 742 108 31ms 5 Jan 2026 357th Shanethegamer 🇺🇸 739 99 352ms 24 Sep 2025 358th Shanethegamer 🇺🇸 738 63 180ms 7 May 2025 359th AlephSquirrel 738 76 38ms 3 Dec 2025 359th MeWhenI 🇻🇦 738 76 605ms 25 days ago 359th duckyluuk 🇳🇱 738 76 120ms 15 days ago 362nd snoozingnewt 🇨🇦 737 89 117ms 7 days ago 363rd GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 364th Shanethegamer 🇺🇸 735 81 339ms 3 Jun 2025 365th h3ra993huskp 🇯🇵 732 100 392ms 12 days ago 365th kmathis22 732 100 403ms 10 days ago 367th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 368th aksyristos 729 59 25ms 11 days ago 368th acollett89 729 59 24ms 11 days ago 370th Shanethegamer 🇺🇸 729 77 18ms 13 Dec 2024 370th addmai 729 77 20ms 24 Jul 2025 370th hiichbindermax 729 77 18ms 17 Aug 2025 370th 5cw 🇺🇸 729 77 20ms 22 Aug 2025 370th davecame 729 77 142ms 25 Sep 2025 370th SirBogman 🇺🇸 729 77 244ms 13 Oct 2025 370th jtaxen 729 77 27ms 16 Oct 2025 370th Matter1024 🇮🇳 729 77 19ms 12 Feb 2026 370th KasperKivimaeki 🇫🇮 729 77 589ms 25 days ago 370th StefanHabel 🇨🇦 729 77 1,323ms 17 days ago 370th ahmetdemirag 🇨🇾 729 77 18ms 17 days ago 370th tomh1012 729 77 19ms 17 days ago 370th qpwoeirut 729 77 19ms 16 days ago 370th btjones0 729 77 18ms 16 days ago 370th ComradeSquirrel 729 77 18ms 16 days ago 370th bzijlema 🇳🇱 729 77 19ms 16 days ago 370th Lv0Sys 🇵🇱 729 77 20ms 15 days ago 370th LostSyntax21 🇬🇧 729 77 18ms 12 days ago 370th scpchicken 🇵🇼 729 77 18ms 9 days ago 370th Andrey2001 729 77 19ms 9 days ago 370th guilhem-roy 🇫🇷 729 77 17ms 8 days ago 370th jameswmccarty 729 77 19ms 7 days ago 370th mantaslu 🇱🇹 729 77 18ms 7 days ago 370th firegene 🇮🇪 729 77 19ms 7 days ago 370th Pyroan 729 77 19ms 3 days ago 370th retrohun 729 77 183ms 3 days ago 370th klixel 🇨🇦 729 77 19ms 45 hours ago 397th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 398th albanian-laundromat 🇺🇸 724 97 46ms 6 Dec 2025 399th plcc0 722 18 9ms 12 days ago 400th MeWhenI 🇻🇦 721 87 4ms 9 days ago First Prev 321–400 of 518 Next Last