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 314th DialFrost 🇸🇬 746 75 25ms 3 days ago 314th sean-niemann 🇺🇸 746 75 178ms 2 days ago 323rd Lv0Sys 🇵🇱 745 43 38ms 6 days ago 324th emgordon154 745 84 4ms 8 hours ago 325th snyderek 🇺🇸 743 101 424ms 33 hours ago 326th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 327th albanian-laundromat 742 108 31ms 5 Jan 2026 328th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 329th AlephSquirrel 736 76 39ms 3 Dec 2025 329th MeWhenI 🇻🇦 736 76 586ms 17 days ago 329th duckyluuk 🇳🇱 736 76 200ms 6 days ago 332nd Shanethegamer 🇺🇸 736 99 352ms 24 Sep 2025 333rd emgordon154 736 102 68ms 8 hours ago 334th Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 335th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 336th emgordon154 729 44 41ms 8 days ago 337th aksyristos 728 59 12ms 2 days ago 337th acollett89 728 59 12ms 2 days ago 339th h3ra993huskp 🇯🇵 728 100 392ms 4 days ago 339th kmathis22 728 100 403ms 2 days ago 341st Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 342nd Shanethegamer 🇺🇸 726 77 19ms 13 Dec 2024 342nd addmai 726 77 20ms 24 Jul 2025 342nd hiichbindermax 726 77 17ms 17 Aug 2025 342nd 5cw 🇺🇸 726 77 18ms 22 Aug 2025 342nd davecame 726 77 135ms 25 Sep 2025 342nd SirBogman 🇺🇸 726 77 232ms 13 Oct 2025 342nd jtaxen 726 77 19ms 16 Oct 2025 342nd Matter1024 🇮🇳 726 77 17ms 12 Feb 2026 342nd KasperKivimaeki 🇫🇮 726 77 564ms 17 days ago 342nd StefanHabel 🇨🇦 726 77 1,217ms 9 days ago 342nd ahmetdemirag 🇨🇾 726 77 18ms 8 days ago 342nd tomh1012 726 77 17ms 8 days ago 342nd qpwoeirut 726 77 19ms 8 days ago 342nd btjones0 726 77 19ms 8 days ago 342nd ComradeSquirrel 726 77 18ms 7 days ago 342nd bzijlema 🇳🇱 726 77 18ms 7 days ago 342nd Lv0Sys 🇵🇱 726 77 18ms 6 days ago 342nd stefangimmillaro 726 77 136ms 4 days ago 342nd LostSyntax21 🇬🇧 726 77 18ms 3 days ago 342nd scpchicken 🇵🇼 726 77 18ms 27 hours ago 342nd Andrey2001 726 77 18ms 20 hours ago 342nd guilhem-roy 🇫🇷 726 77 19ms 12 hours ago 364th albanian-laundromat 724 97 44ms 6 Dec 2025 365th plcc0 722 18 9ms 4 days ago 366th rucin93 🇵🇱 721 101 373ms 27 days ago 367th MeWhenI 🇻🇦 719 87 4ms 30 hours ago 368th MeWhenI 🇻🇦 718 81 428ms 47 hours ago 369th madex 🇩🇪 717 50 896ms 5 days ago 370th jameswmccarty 717 78 19ms 29 Mar 2025 370th solisolu 717 78 20ms 10 Nov 2025 372nd Andriamanitra 🇫🇮 712 45 37ms 8 days ago 373rd edsrzf 🇳🇿 711 94 459ms 20 May 2025 374th BREMAUCY 🇫🇷 708 79 18ms 8 days ago 374th mishak-sys 708 79 411ms 6 days ago 374th firegene 🇮🇪 708 79 18ms 40 hours ago 374th KatieLG 🇬🇧 708 79 19ms 30 hours ago 378th elgan65536 🇺🇸 708 117 156ms 3 days ago 379th Jacob385 707 103 386ms 4 days ago 380th emgordon154 706 231 1,484ms 4 days ago 381st MeWhenI 🇻🇦 705 33 28ms 7 days ago 382nd albanian-laundromat 704 61 13ms 4 Mar 2026 383rd Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 384th madex 🇩🇪 703 84 359ms 4 days ago 385th madex 🇩🇪 703 94 99ms 4 days ago 386th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 387th Matter1024 🇮🇳 697 46 38ms 8 days ago 388th aadenboy 🇺🇸 695 81 5ms 2 days ago 389th Andrey-Plotnikov 693 62 36ms 12 Jan 2025 389th XenThe 🇬🇧 693 62 11ms 15 Jul 2025 389th JOrE20 693 62 29ms 27 Feb 2026 389th Protothor 693 62 12ms 5 days ago 389th madeforlosers 693 62 32ms 14 hours ago 394th madex 🇩🇪 692 39 16ms 4 days ago 395th Aquateraneal 🇺🇸 690 81 19ms 6 days ago 395th luuumine 🇫🇷 690 81 16ms 5 days ago 397th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 398th albanian-laundromat 685 75 108ms 5 Jan 2026 399th albanian-laundromat 684 19 4ms 13 Feb 2026 400th albanian-laundromat 684 95 114ms 6 Jan 2026 First Prev 321–400 of 480 Next Last