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 398th Protothor 693 62 12ms 7 days ago 398th madeforlosers 693 62 35ms 2 days ago 403rd madex 🇩🇪 692 39 16ms 6 days ago 404th Aquateraneal 🇺🇸 691 81 19ms 8 days ago 404th luuumine 🇫🇷 691 81 16ms 7 days ago 406th albanian-laundromat 690 95 114ms 6 Jan 2026 407th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 408th albanian-laundromat 685 75 108ms 5 Jan 2026 409th albanian-laundromat 684 19 4ms 13 Feb 2026 410th bricknellj 683 82 17ms 30 Jan 2025 411th KatieLG 🇬🇧 682 47 40ms 3 days ago 412th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 413th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 414th msbranicky 675 83 18ms 7 days ago 415th madex 🇩🇪 671 75 439ms 7 days ago 416th AlephSquirrel 671 107 20ms 14 May 2025 417th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 418th CaedenHarper 🇨🇦 668 87 430ms 10 days ago 419th AlephSquirrel 662 76 445ms 3 Dec 2025 420th madex 🇩🇪 662 101 141ms 6 days ago 421st KatieLG 🇬🇧 661 65 11ms 3 days ago 422nd madex 🇩🇪 661 79 29ms 6 days ago 423rd albanian-laundromat 653 80 28ms 10 days ago 424th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 425th madex 🇩🇪 649 121 8ms 6 days ago 426th Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 427th Shanethegamer 🇺🇸 640 65 257ms 13 Dec 2024 428th Yax42 🇫🇷 632 68 12ms 10 days ago 429th madex 🇩🇪 628 87 12ms 7 days ago 430th GolfingSuccess 🇬🇷 626 137 94ms 9 days ago 431st HumanoidCPU 625 133 162ms 10 days ago 432nd IISResetMe 618 58 308ms 8 days ago 433rd Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 434th UnderKoen 🇳🇱 617 139 1,178ms 9 days ago 435th Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 436th Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 437th KatieLG 🇬🇧 614 82 686ms 3 days ago 438th brian124634 609 103 4ms 44 hours ago 439th madex 🇩🇪 605 99 19ms 6 days ago 440th kasarino 603 104 4ms 9 days ago 441st tomh1012 599 97 378ms 10 days ago 442nd albanian-laundromat 598 98 135ms 23 Feb 2026 443rd janAkali 🇷🇺 597 99 401ms 3 days ago 444th michelebastione 🇮🇹 593 98 454ms 4 days ago 445th Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 446th madex 🇩🇪 590 119 1,351ms 6 days ago 447th Solathian 587 46 98ms 8 days ago 448th madex 🇩🇪 564 129 366ms 7 days ago 449th prestosilver 🇺🇸 563 105 408ms 2 days ago 450th JOrE20 560 100 42ms 15 Dec 2025 451st albanian-laundromat 554 75 238ms 2 Mar 2026 452nd Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 453rd JDiLenarda 🇫🇷 536 131 1,330ms 9 days ago 454th vang1ong7ang 517 161 171ms 40 hours ago 455th Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 456th madex 🇩🇪 514 100 112ms 6 days ago 457th retrohun 504 111 41ms 10 days ago 458th madex 🇩🇪 487 53 952ms 7 days ago 459th HumanoidCPU 484 120 401ms 4 days ago 460th Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 461st madex 🇩🇪 471 170 36ms 6 days ago 462nd Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 463rd AstroOrbis 444 126 23ms 12 Aug 2025 464th Msleizak 🇫🇷 427 84 302ms 4 days ago 465th madex 🇩🇪 416 78 91ms 6 days ago 466th muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 467th darrenks 🇺🇸 0 6 50ms 10 days ago 467th 2bular 0 6 45ms 10 days ago 467th Natanaelel 🇸🇪 0 6 48ms 10 days ago 467th plcc0 0 6 48ms 9 days ago 471st kg583 🇺🇸 0 9 921ms 14 May 2025 471st themoonisacheese 0 9 2,448ms 2 days ago 473rd namelessiw 0 13 335ms 25 Oct 2025 474th AlephSquirrel 0 20 8ms 3 Dec 2025 474th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 476th AlephSquirrel 0 27 5ms 3 Dec 2025 476th ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 478th ovs-code 🇩🇪 0 29 125ms 3 Dec 2025 479th Shanethegamer 🇺🇸 0 32 35ms 19 May 2025 480th KatieLG 🇬🇧 0 43 61ms 5 days ago First Prev 401–480 of 489 Next Last