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 401st albanian-laundromat 684 95 114ms 6 Jan 2026 402nd KatieLG 🇬🇧 682 47 40ms 32 hours ago 403rd bricknellj 682 82 17ms 30 Jan 2025 404th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 405th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 406th msbranicky 674 83 18ms 5 days ago 407th AlephSquirrel 671 107 20ms 14 May 2025 408th madex 🇩🇪 670 75 439ms 6 days ago 409th CaedenHarper 🇨🇦 668 87 430ms 8 days ago 410th Shanethegamer 🇺🇸 668 124 147ms 3 Jun 2025 411th madex 🇩🇪 662 101 141ms 4 days ago 412th KatieLG 🇬🇧 661 65 11ms 32 hours ago 413th AlephSquirrel 661 76 445ms 3 Dec 2025 414th madex 🇩🇪 661 79 29ms 4 days ago 415th albanian-laundromat 653 80 28ms 8 days ago 416th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 417th madex 🇩🇪 649 121 8ms 4 days ago 418th Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 419th Shanethegamer 🇺🇸 640 65 257ms 13 Dec 2024 420th Yax42 🇫🇷 632 68 12ms 8 days ago 421st madex 🇩🇪 628 87 12ms 6 days ago 422nd jusaka 628 89 19ms 6 hours ago 423rd GolfingSuccess 🇬🇷 626 137 94ms 7 days ago 424th HumanoidCPU 623 133 162ms 8 days ago 425th IISResetMe 618 58 308ms 6 days ago 426th Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 427th UnderKoen 🇳🇱 617 139 1,178ms 7 days ago 428th Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 429th Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 430th KatieLG 🇬🇧 613 82 686ms 32 hours ago 431st madex 🇩🇪 605 99 19ms 4 days ago 432nd kasarino 602 104 4ms 7 days ago 433rd tomh1012 599 97 378ms 8 days ago 434th albanian-laundromat 598 98 135ms 23 Feb 2026 435th janAkali 🇷🇺 597 99 401ms 27 hours ago 436th michelebastione 🇮🇹 593 98 454ms 2 days ago 437th Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 438th madex 🇩🇪 590 119 1,351ms 4 days ago 439th Solathian 587 46 98ms 6 days ago 440th madex 🇩🇪 564 129 366ms 6 days ago 441st prestosilver 🇺🇸 563 105 408ms 20 hours ago 442nd JOrE20 559 100 42ms 15 Dec 2025 443rd albanian-laundromat 554 75 238ms 2 Mar 2026 444th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 445th JDiLenarda 🇫🇷 536 131 1,330ms 7 days ago 446th Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 447th madex 🇩🇪 514 100 112ms 4 days ago 448th retrohun 504 111 41ms 8 days ago 449th madex 🇩🇪 487 53 952ms 6 days ago 450th HumanoidCPU 484 120 401ms 2 days ago 451st Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 452nd madex 🇩🇪 471 170 36ms 4 days ago 453rd Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 454th AstroOrbis 444 126 23ms 12 Aug 2025 455th vang1ong7ang 438 189 209ms 20 hours ago 456th Msleizak 🇫🇷 427 84 302ms 2 days ago 457th madex 🇩🇪 416 78 91ms 4 days ago 458th muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 459th darrenks 🇺🇸 0 6 50ms 8 days ago 459th 2bular 0 6 45ms 8 days ago 459th Natanaelel 🇸🇪 0 6 48ms 8 days ago 459th plcc0 0 6 48ms 7 days ago 463rd kg583 🇺🇸 0 9 921ms 14 May 2025 463rd themoonisacheese 0 9 2,448ms 20 hours ago 465th namelessiw 0 13 335ms 25 Oct 2025 466th AlephSquirrel 0 20 8ms 3 Dec 2025 466th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 468th AlephSquirrel 0 27 5ms 3 Dec 2025 468th ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 470th ovs-code 🇩🇪 0 29 125ms 3 Dec 2025 471st Shanethegamer 🇺🇸 0 32 35ms 19 May 2025 472nd KatieLG 🇬🇧 0 43 61ms 3 days ago 473rd madex 🇩🇪 0 59 1,185ms 6 days ago 474th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 475th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 476th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 476th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 478th dokutan 0 74 65ms 8 Feb 2026 479th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 480th btjones0 0 126 168ms 8 days ago First Prev 401–480 of 481 Next Last