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 4atj 750 36 230ms 21 May 2025 322nd Shanethegamer 🇺🇸 749 52 1,314ms 13 Dec 2024 323rd Natanaelel 🇸🇪 747 75 19ms 11 May 2025 323rd commandz0 🇺🇸 747 75 1,210ms 27 Aug 2025 323rd GolfingSuccess 🇬🇷 747 75 19ms 11 Jan 2026 323rd madex 🇩🇪 747 75 26ms 16 days ago 323rd CaedenHarper 🇨🇦 747 75 149ms 13 days ago 323rd edsrzf 🇳🇿 747 75 17ms 10 days ago 323rd zgialor-lab 747 75 25ms 9 days ago 323rd DialFrost 🇸🇬 747 75 25ms 5 days ago 323rd sean-niemann 🇺🇸 747 75 178ms 4 days ago 323rd stefangimmillaro 747 75 26ms 105 mins ago 333rd Lv0Sys 🇵🇱 745 43 38ms 8 days ago 334th snyderek 🇺🇸 743 101 424ms 3 days ago 335th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 336th albanian-laundromat 742 108 31ms 5 Jan 2026 337th Shanethegamer 🇺🇸 738 63 198ms 7 May 2025 338th AlephSquirrel 737 76 39ms 3 Dec 2025 338th MeWhenI 🇻🇦 737 76 586ms 19 days ago 338th duckyluuk 🇳🇱 737 76 200ms 8 days ago 341st snoozingnewt 🇨🇦 737 89 121ms 17 hours ago 342nd GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 343rd Shanethegamer 🇺🇸 736 99 352ms 24 Sep 2025 344th Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 345th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 346th aksyristos 729 59 12ms 4 days ago 346th acollett89 729 59 12ms 4 days ago 348th h3ra993huskp 🇯🇵 728 100 392ms 6 days ago 348th kmathis22 728 100 403ms 4 days ago 350th Shanethegamer 🇺🇸 727 77 19ms 13 Dec 2024 350th addmai 727 77 20ms 24 Jul 2025 350th hiichbindermax 727 77 17ms 17 Aug 2025 350th 5cw 🇺🇸 727 77 18ms 22 Aug 2025 350th davecame 727 77 135ms 25 Sep 2025 350th SirBogman 🇺🇸 727 77 232ms 13 Oct 2025 350th jtaxen 727 77 19ms 16 Oct 2025 350th Matter1024 🇮🇳 727 77 17ms 12 Feb 2026 350th KasperKivimaeki 🇫🇮 727 77 564ms 19 days ago 350th StefanHabel 🇨🇦 727 77 1,217ms 11 days ago 350th ahmetdemirag 🇨🇾 727 77 18ms 10 days ago 350th tomh1012 727 77 17ms 10 days ago 350th qpwoeirut 727 77 19ms 10 days ago 350th btjones0 727 77 19ms 10 days ago 350th ComradeSquirrel 727 77 18ms 10 days ago 350th bzijlema 🇳🇱 727 77 18ms 10 days ago 350th Lv0Sys 🇵🇱 727 77 18ms 8 days ago 350th LostSyntax21 🇬🇧 727 77 18ms 5 days ago 350th scpchicken 🇵🇼 727 77 18ms 3 days ago 350th Andrey2001 727 77 18ms 2 days ago 350th guilhem-roy 🇫🇷 727 77 19ms 2 days ago 350th jameswmccarty 727 77 20ms 34 hours ago 350th mantaslu 🇱🇹 727 77 18ms 29 hours ago 350th firegene 🇮🇪 727 77 19ms 16 hours ago 374th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 375th albanian-laundromat 724 97 44ms 6 Dec 2025 376th plcc0 722 18 9ms 6 days ago 377th MeWhenI 🇻🇦 721 87 4ms 3 days ago 378th rucin93 🇵🇱 721 101 373ms 5 Mar 2026 379th solisolu 718 78 20ms 10 Nov 2025 380th MeWhenI 🇻🇦 718 81 428ms 4 days ago 381st madex 🇩🇪 717 50 896ms 8 days ago 382nd Andriamanitra 🇫🇮 712 45 37ms 10 days ago 383rd edsrzf 🇳🇿 711 94 459ms 20 May 2025 384th elgan65536 🇺🇸 711 117 156ms 5 days ago 385th BREMAUCY 🇫🇷 709 79 18ms 11 days ago 385th mishak-sys 709 79 411ms 8 days ago 385th KatieLG 🇬🇧 709 79 19ms 3 days ago 388th Jacob385 707 103 386ms 6 days ago 389th emgordon154 706 231 1,484ms 6 days ago 390th MeWhenI 🇻🇦 705 33 28ms 9 days ago 391st albanian-laundromat 705 61 13ms 4 Mar 2026 392nd Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 393rd madex 🇩🇪 703 84 359ms 6 days ago 394th madex 🇩🇪 703 94 99ms 6 days ago 395th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 396th jusaka 700 80 18ms 43 hours ago 397th Matter1024 🇮🇳 697 46 38ms 10 days ago 398th aadenboy 🇺🇸 695 81 5ms 4 days ago 399th Andrey-Plotnikov 693 62 36ms 12 Jan 2025 399th XenThe 🇬🇧 693 62 11ms 15 Jul 2025 First Prev 321–400 of 490 Next Last