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 313th sean-niemann 🇺🇸 746 75 178ms 2 days ago 322nd Lv0Sys 🇵🇱 745 43 38ms 6 days ago 323rd emgordon154 745 84 4ms 7 hours ago 324th snyderek 🇺🇸 743 101 424ms 32 hours ago 325th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 326th albanian-laundromat 742 108 31ms 5 Jan 2026 327th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 328th AlephSquirrel 736 76 39ms 3 Dec 2025 328th MeWhenI 🇻🇦 736 76 586ms 17 days ago 328th duckyluuk 🇳🇱 736 76 200ms 6 days ago 331st Shanethegamer 🇺🇸 736 99 352ms 24 Sep 2025 332nd emgordon154 736 102 68ms 7 hours ago 333rd Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 334th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 335th emgordon154 729 44 41ms 8 days ago 336th aksyristos 728 59 12ms 2 days ago 336th acollett89 728 59 12ms 2 days ago 338th h3ra993huskp 🇯🇵 728 100 392ms 4 days ago 338th kmathis22 728 100 403ms 2 days ago 340th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 341st Shanethegamer 🇺🇸 726 77 19ms 13 Dec 2024 341st addmai 726 77 20ms 24 Jul 2025 341st hiichbindermax 726 77 17ms 17 Aug 2025 341st 5cw 🇺🇸 726 77 18ms 22 Aug 2025 341st davecame 726 77 135ms 25 Sep 2025 341st SirBogman 🇺🇸 726 77 232ms 13 Oct 2025 341st jtaxen 726 77 19ms 16 Oct 2025 341st Matter1024 🇮🇳 726 77 17ms 12 Feb 2026 341st KasperKivimaeki 🇫🇮 726 77 564ms 17 days ago 341st StefanHabel 🇨🇦 726 77 1,217ms 9 days ago 341st ahmetdemirag 🇨🇾 726 77 18ms 8 days ago 341st tomh1012 726 77 17ms 8 days ago 341st qpwoeirut 726 77 19ms 8 days ago 341st btjones0 726 77 19ms 7 days ago 341st ComradeSquirrel 726 77 18ms 7 days ago 341st bzijlema 🇳🇱 726 77 18ms 7 days ago 341st Lv0Sys 🇵🇱 726 77 18ms 6 days ago 341st stefangimmillaro 726 77 136ms 4 days ago 341st LostSyntax21 🇬🇧 726 77 18ms 3 days ago 341st scpchicken 🇵🇼 726 77 18ms 26 hours ago 341st Andrey2001 726 77 18ms 19 hours ago 341st guilhem-roy 🇫🇷 726 77 19ms 11 hours ago 363rd albanian-laundromat 724 97 44ms 6 Dec 2025 364th plcc0 722 18 9ms 3 days ago 365th rucin93 🇵🇱 721 101 373ms 27 days ago 366th MeWhenI 🇻🇦 719 87 4ms 29 hours ago 367th MeWhenI 🇻🇦 718 81 428ms 46 hours ago 368th madex 🇩🇪 717 50 896ms 5 days ago 369th jameswmccarty 717 78 19ms 29 Mar 2025 369th solisolu 717 78 20ms 10 Nov 2025 371st Andriamanitra 🇫🇮 712 45 37ms 8 days ago 372nd edsrzf 🇳🇿 711 94 459ms 20 May 2025 373rd BREMAUCY 🇫🇷 708 79 18ms 8 days ago 373rd mishak-sys 708 79 411ms 6 days ago 373rd firegene 🇮🇪 708 79 18ms 39 hours ago 373rd KatieLG 🇬🇧 708 79 19ms 29 hours ago 377th elgan65536 🇺🇸 708 117 156ms 3 days ago 378th Jacob385 707 103 386ms 4 days ago 379th emgordon154 706 231 1,484ms 4 days ago 380th MeWhenI 🇻🇦 705 33 28ms 7 days ago 381st albanian-laundromat 704 61 13ms 4 Mar 2026 382nd Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 383rd madex 🇩🇪 703 84 359ms 4 days ago 384th madex 🇩🇪 703 94 99ms 4 days ago 385th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 386th Matter1024 🇮🇳 697 46 38ms 8 days ago 387th aadenboy 🇺🇸 695 81 5ms 2 days ago 388th Andrey-Plotnikov 693 62 36ms 12 Jan 2025 388th XenThe 🇬🇧 693 62 11ms 15 Jul 2025 388th JOrE20 693 62 29ms 27 Feb 2026 388th Protothor 693 62 12ms 5 days ago 388th madeforlosers 693 62 32ms 13 hours ago 393rd madex 🇩🇪 692 39 16ms 4 days ago 394th Aquateraneal 🇺🇸 690 81 19ms 6 days ago 394th luuumine 🇫🇷 690 81 16ms 5 days ago 396th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 397th albanian-laundromat 685 75 108ms 5 Jan 2026 398th GolfingSuccess 🇬🇷 685 137 94ms 7 days ago 399th albanian-laundromat 684 19 4ms 13 Feb 2026 400th albanian-laundromat 684 95 114ms 6 Jan 2026 First Prev 321–400 of 479 Next Last