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 MeWhenI 🇻🇦 721 87 4ms 9 days ago 402nd solisolu 719 78 41ms 10 Nov 2025 403rd MeWhenI 🇻🇦 718 81 426ms 10 days ago 404th madex 🇩🇪 717 50 896ms 14 days ago 405th Matter1024 🇮🇳 717 83 163ms 5 days ago 406th Andriamanitra 🇫🇮 713 45 37ms 17 days ago 407th edsrzf 🇳🇿 711 94 459ms 20 May 2025 408th BREMAUCY 🇫🇷 710 79 19ms 17 days ago 408th mishak-sys 710 79 418ms 15 days ago 408th KatieLG 🇬🇧 710 79 18ms 9 days ago 408th ZakkkkAttackkkk 🇵🇭 710 79 45ms 4 days ago 412th Jacob385 710 103 386ms 13 days ago 413th elgan65536 🇺🇸 708 117 156ms 11 days ago 414th madex 🇩🇪 707 84 359ms 12 days ago 415th madex 🇩🇪 707 94 99ms 13 days ago 416th emgordon154 706 231 1,484ms 13 days ago 417th albanian-laundromat 🇺🇸 705 61 13ms 4 Mar 2026 418th Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 419th Shanethegamer 🇺🇸 702 139 328ms 13 Dec 2024 420th jusaka 701 80 18ms 8 days ago 421st Matter1024 🇮🇳 698 46 38ms 17 days ago 422nd aadenboy 🇺🇸 695 81 5ms 11 days ago 423rd Andrey-Plotnikov 693 62 39ms 12 Jan 2025 423rd XenThe 🇬🇧 693 62 12ms 15 Jul 2025 423rd JOrE20 693 62 31ms 27 Feb 2026 423rd Protothor 693 62 13ms 14 days ago 423rd madeforlosers 693 62 38ms 9 days ago 428th Aquateraneal 🇺🇸 693 81 22ms 14 days ago 428th luuumine 🇫🇷 693 81 17ms 14 days ago 430th madex 🇩🇪 692 39 9ms 13 days ago 431st albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 432nd CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 433rd albanian-laundromat 🇺🇸 685 75 119ms 5 Jan 2026 434th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 435th bricknellj 684 82 18ms 30 Jan 2025 435th cros107 🇦🇺 684 82 1,060ms 32 hours ago 437th KatieLG 🇬🇧 683 47 40ms 9 days ago 438th DialFrost 🇸🇬 679 48 54ms 16 Dec 2025 438th retrohun 679 48 2,663ms 4 days ago 440th Arkadios200 678 98 111ms 28 hours ago 441st Shanethegamer 🇺🇸 676 76 125ms 13 Dec 2024 442nd msbranicky 676 83 18ms 14 days ago 443rd madex 🇩🇪 671 75 465ms 14 days ago 444th AlephSquirrel 671 107 23ms 14 May 2025 445th Jonson26 671 109 350ms 10 hours ago 446th CaedenHarper 🇨🇦 668 87 380ms 16 days ago 447th Shanethegamer 🇺🇸 668 124 147ms 3 Jun 2025 448th AlephSquirrel 662 76 427ms 3 Dec 2025 449th madex 🇩🇪 662 101 141ms 13 days ago 450th KatieLG 🇬🇧 661 65 12ms 9 days ago 451st madex 🇩🇪 661 79 29ms 13 days ago 452nd albanian-laundromat 🇺🇸 653 80 28ms 16 days ago 453rd sean-niemann 🇺🇸 652 90 7ms 10 May 2025 454th madex 🇩🇪 649 121 8ms 13 days ago 455th Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 456th Shanethegamer 🇺🇸 640 65 257ms 13 Dec 2024 457th Yax42 🇫🇷 632 68 13ms 17 days ago 458th madex 🇩🇪 628 87 11ms 14 days ago 459th GolfingSuccess 🇬🇷 626 137 94ms 15 days ago 460th HumanoidCPU 623 133 162ms 16 days ago 461st Shanethegamer 🇺🇸 619 96 427ms 3 Jun 2025 462nd IISResetMe 618 58 308ms 14 days ago 463rd Shanethegamer 🇺🇸 618 94 371ms 13 Dec 2024 464th UnderKoen 🇳🇱 617 139 1,172ms 16 days ago 465th Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 466th KatieLG 🇬🇧 614 82 424ms 9 days ago 467th brian124634 609 103 4ms 8 days ago 468th madex 🇩🇪 605 99 19ms 13 days ago 469th kasarino 603 104 3ms 16 days ago 470th janAkali 🇷🇺 600 99 401ms 9 days ago 471st tomh1012 599 97 378ms 17 days ago 472nd albanian-laundromat 🇺🇸 598 98 135ms 23 Feb 2026 473rd michelebastione 🇮🇹 593 98 443ms 11 days ago 474th Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 475th madex 🇩🇪 590 119 1,267ms 13 days ago 476th Solathian 587 46 77ms 15 days ago 477th Mikey-Beep 🇬🇧 567 99 25ms 2 days ago 478th madex 🇩🇪 567 129 366ms 14 days ago 479th prestosilver 🇺🇸 566 105 381ms 9 days ago 480th JOrE20 561 100 46ms 15 Dec 2025 First Prev 401–480 of 519 Next Last