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 319th duckyluuk 🇳🇱 735 76 128ms 5 days ago 322nd Shanethegamer 🇺🇸 734 99 352ms 24 Sep 2025 323rd Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 324th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 325th emgordon154 729 103 63ms 14 hours ago 326th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 327th emgordon154 726 44 41ms 7 days ago 328th Shanethegamer 🇺🇸 726 77 19ms 13 Dec 2024 328th addmai 726 77 20ms 24 Jul 2025 328th hiichbindermax 726 77 17ms 17 Aug 2025 328th 5cw 🇺🇸 726 77 18ms 22 Aug 2025 328th davecame 726 77 135ms 25 Sep 2025 328th SirBogman 🇺🇸 726 77 232ms 13 Oct 2025 328th jtaxen 726 77 19ms 16 Oct 2025 328th Matter1024 🇮🇳 726 77 17ms 12 Feb 2026 328th KasperKivimaeki 🇫🇮 726 77 564ms 16 days ago 328th StefanHabel 🇨🇦 726 77 1,217ms 7 days ago 328th ahmetdemirag 🇨🇾 726 77 18ms 7 days ago 328th tomh1012 726 77 17ms 7 days ago 328th qpwoeirut 726 77 19ms 6 days ago 328th btjones0 726 77 19ms 6 days ago 328th ComradeSquirrel 726 77 18ms 6 days ago 328th bzijlema 🇳🇱 726 77 19ms 6 days ago 328th Lv0Sys 🇵🇱 726 77 18ms 5 days ago 328th stefangimmillaro 726 77 136ms 2 days ago 328th LostSyntax21 🇬🇧 726 77 18ms 2 days ago 347th h3ra993huskp 🇯🇵 726 100 392ms 2 days ago 347th kmathis22 726 100 403ms 28 hours ago 349th albanian-laundromat 724 97 44ms 6 Dec 2025 350th plcc0 722 18 9ms 2 days ago 351st MeWhenI 🇻🇦 719 87 4ms 2 hours ago 352nd rucin93 🇵🇱 719 101 373ms 26 days ago 353rd jameswmccarty 716 78 19ms 29 Mar 2025 353rd solisolu 716 78 20ms 10 Nov 2025 355th MeWhenI 🇻🇦 716 81 428ms 19 hours ago 356th KatieLG 🇬🇧 714 65 11ms 2 hours ago 357th edsrzf 🇳🇿 711 94 459ms 20 May 2025 358th Andriamanitra 🇫🇮 710 45 37ms 7 days ago 359th BREMAUCY 🇫🇷 707 79 18ms 7 days ago 359th Andrey2001 707 79 18ms 7 days ago 359th mishak-sys 707 79 411ms 5 days ago 359th firegene 🇮🇪 707 79 18ms 12 hours ago 359th KatieLG 🇬🇧 707 79 19ms 2 hours ago 364th emgordon154 706 231 1,484ms 3 days ago 365th MeWhenI 🇻🇦 705 33 28ms 6 days ago 366th Jacob385 705 103 386ms 3 days ago 367th Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 368th elgan65536 🇺🇸 702 117 156ms 2 days ago 369th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 370th madex 🇩🇪 698 94 99ms 3 days ago 371st Matter1024 🇮🇳 695 46 38ms 7 days ago 372nd aadenboy 🇺🇸 695 81 5ms 35 hours ago 373rd edsrzf 🇳🇿 695 85 1,065ms 25 May 2025 374th madex 🇩🇪 692 39 16ms 3 days ago 375th Aquateraneal 🇺🇸 690 81 19ms 5 days ago 375th luuumine 🇫🇷 690 81 16ms 4 days ago 377th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 378th madex 🇩🇪 688 84 359ms 3 days ago 379th albanian-laundromat 685 75 108ms 5 Jan 2026 380th albanian-laundromat 684 19 4ms 13 Feb 2026 381st albanian-laundromat 684 95 114ms 6 Jan 2026 382nd Yax42 🇫🇷 683 68 12ms 7 days ago 383rd bricknellj 682 82 17ms 30 Jan 2025 383rd scpchicken 🇵🇼 682 82 402ms 8 days ago 385th KatieLG 🇬🇧 680 47 40ms 2 hours ago 386th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 387th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 388th sean-niemann 🇺🇸 675 90 7ms 10 May 2025 389th msbranicky 673 83 18ms 4 days ago 390th AlephSquirrel 671 107 20ms 14 May 2025 391st madex 🇩🇪 670 75 439ms 4 days ago 392nd CaedenHarper 🇨🇦 666 87 430ms 7 days ago 393rd Shanethegamer 🇺🇸 663 124 147ms 3 Jun 2025 394th madex 🇩🇪 662 101 141ms 3 days ago 395th AlephSquirrel 661 76 445ms 3 Dec 2025 396th madex 🇩🇪 661 79 29ms 3 days ago 397th albanian-laundromat 653 80 28ms 6 days ago 398th madex 🇩🇪 649 121 8ms 3 days ago 399th Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 400th IISResetMe 643 58 308ms 5 days ago First Prev 321–400 of 454 Next Last