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 snyderek 🇺🇸 743 101 424ms 18 hours ago 322nd Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 323rd albanian-laundromat 742 108 31ms 5 Jan 2026 324th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 325th emgordon154 736 85 4ms 27 hours ago 326th AlephSquirrel 735 76 39ms 3 Dec 2025 326th MeWhenI 🇻🇦 735 76 586ms 16 days ago 326th duckyluuk 🇳🇱 735 76 128ms 6 days ago 329th Shanethegamer 🇺🇸 734 99 352ms 24 Sep 2025 330th voytxt 🇨🇿 732 61 26ms 1 Jan 2026 330th albanian-laundromat 732 61 13ms 4 Mar 2026 332nd Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 333rd Natanaelel 🇸🇪 729 37 10ms 11 May 2025 334th emgordon154 729 103 63ms 27 hours ago 335th emgordon154 728 44 41ms 8 days ago 336th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 337th Shanethegamer 🇺🇸 726 77 19ms 13 Dec 2024 337th addmai 726 77 20ms 24 Jul 2025 337th hiichbindermax 726 77 17ms 17 Aug 2025 337th 5cw 🇺🇸 726 77 18ms 22 Aug 2025 337th davecame 726 77 135ms 25 Sep 2025 337th SirBogman 🇺🇸 726 77 232ms 13 Oct 2025 337th jtaxen 726 77 19ms 16 Oct 2025 337th Matter1024 🇮🇳 726 77 17ms 12 Feb 2026 337th KasperKivimaeki 🇫🇮 726 77 564ms 16 days ago 337th StefanHabel 🇨🇦 726 77 1,217ms 8 days ago 337th ahmetdemirag 🇨🇾 726 77 18ms 8 days ago 337th tomh1012 726 77 17ms 8 days ago 337th qpwoeirut 726 77 19ms 7 days ago 337th btjones0 726 77 19ms 7 days ago 337th ComradeSquirrel 726 77 18ms 7 days ago 337th bzijlema 🇳🇱 726 77 18ms 7 days ago 337th Lv0Sys 🇵🇱 726 77 18ms 6 days ago 337th stefangimmillaro 726 77 136ms 3 days ago 337th LostSyntax21 🇬🇧 726 77 18ms 3 days ago 337th scpchicken 🇵🇼 726 77 18ms 12 hours ago 337th Andrey2001 726 77 18ms 5 hours ago 358th h3ra993huskp 🇯🇵 726 100 392ms 3 days ago 358th kmathis22 726 100 403ms 41 hours ago 360th albanian-laundromat 724 97 44ms 6 Dec 2025 361st plcc0 722 18 9ms 3 days ago 362nd roelderickx 722 130 54ms 9 hours ago 363rd Andrey-Plotnikov 720 62 36ms 12 Jan 2025 363rd XenThe 🇬🇧 720 62 11ms 15 Jul 2025 363rd JOrE20 720 62 29ms 27 Feb 2026 363rd Protothor 720 62 12ms 4 days ago 367th MeWhenI 🇻🇦 719 87 4ms 15 hours ago 368th rucin93 🇵🇱 719 101 373ms 27 days ago 369th MeWhenI 🇻🇦 718 81 428ms 32 hours ago 370th jameswmccarty 716 78 19ms 29 Mar 2025 370th solisolu 716 78 20ms 10 Nov 2025 372nd Andriamanitra 🇫🇮 711 45 37ms 7 days ago 373rd edsrzf 🇳🇿 711 94 459ms 20 May 2025 374th elgan65536 🇺🇸 708 117 156ms 2 days ago 375th BREMAUCY 🇫🇷 707 79 18ms 8 days ago 375th mishak-sys 707 79 411ms 6 days ago 375th firegene 🇮🇪 707 79 18ms 25 hours ago 375th KatieLG 🇬🇧 707 79 19ms 15 hours ago 379th emgordon154 706 231 1,484ms 4 days ago 380th MeWhenI 🇻🇦 705 33 28ms 6 days ago 381st Jacob385 705 103 386ms 3 days ago 382nd Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 383rd madex 🇩🇪 703 84 359ms 3 days ago 384th madex 🇩🇪 703 94 99ms 3 days ago 385th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 386th Matter1024 🇮🇳 696 46 38ms 8 days ago 387th aadenboy 🇺🇸 695 81 5ms 2 days ago 388th madex 🇩🇪 692 39 16ms 3 days ago 389th Aquateraneal 🇺🇸 690 81 19ms 5 days ago 389th luuumine 🇫🇷 690 81 16ms 5 days ago 391st CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 392nd KatieLG 🇬🇧 687 65 11ms 15 hours ago 393rd albanian-laundromat 685 75 108ms 5 Jan 2026 394th GolfingSuccess 🇬🇷 685 137 94ms 6 days ago 395th albanian-laundromat 684 19 4ms 13 Feb 2026 396th albanian-laundromat 684 95 114ms 6 Jan 2026 397th bricknellj 682 82 17ms 30 Jan 2025 398th KatieLG 🇬🇧 681 47 40ms 15 hours ago 399th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 400th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 First Prev 321–400 of 473 Next Last