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 379th mantaslu 🇱🇹 729 77 18ms 10 days ago 379th firegene 🇮🇪 729 77 19ms 9 days ago 379th Pyroan 729 77 19ms 6 days ago 379th retrohun 729 77 183ms 6 days ago 379th klixel 🇨🇦 729 77 19ms 4 days ago 379th flekAI 729 77 147ms 18 hours ago 407th dokutan 728 101 361ms 2 days ago 408th MeWhenI 🇻🇦 725 87 4ms 12 days ago 409th plcc0 722 18 9ms 15 days ago 410th Matter1024 🇮🇳 722 83 163ms 7 days ago 411th madex 🇩🇪 721 50 896ms 17 days ago 412th MeWhenI 🇻🇦 721 81 426ms 13 days ago 413th solisolu 720 78 41ms 10 Nov 2025 413th Alex-x90 🇺🇸 720 78 19ms 23 hours ago 415th edsrzf 🇳🇿 718 94 459ms 20 May 2025 416th Andriamanitra 🇫🇮 715 45 37ms 19 days ago 417th BREMAUCY 🇫🇷 711 79 19ms 20 days ago 417th mishak-sys 711 79 418ms 17 days ago 417th KatieLG 🇬🇧 711 79 18ms 12 days ago 417th ZakkkkAttackkkk 🇵🇭 711 79 45ms 6 days ago 421st Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 422nd madex 🇩🇪 711 94 99ms 15 days ago 423rd elgan65536 🇺🇸 711 117 156ms 14 days ago 424th madex 🇩🇪 710 84 359ms 15 days ago 425th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 426th albanian-laundromat 🇺🇸 707 61 13ms 4 Mar 2026 427th emgordon154 706 231 1,663ms 15 days ago 428th aadenboy 🇺🇸 703 81 5ms 13 days ago 429th Matter1024 🇮🇳 700 46 38ms 19 days ago 430th madex 🇩🇪 697 39 9ms 15 days ago 431st Andrey-Plotnikov 695 62 39ms 12 Jan 2025 431st XenThe 🇬🇧 695 62 12ms 15 Jul 2025 431st JOrE20 695 62 31ms 27 Feb 2026 431st Protothor 695 62 13ms 16 days ago 431st madeforlosers 695 62 38ms 11 days ago 431st dokutan 695 62 24ms 2 days ago 437th Aquateraneal 🇺🇸 693 81 22ms 17 days ago 437th luuumine 🇫🇷 693 81 17ms 16 days ago 439th albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 440th CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 441st albanian-laundromat 🇺🇸 689 75 119ms 5 Jan 2026 442nd dokutan 688 57 1,275ms 2 days ago 443rd KatieLG 🇬🇧 685 47 40ms 12 days ago 444th bricknellj 685 82 18ms 30 Jan 2025 444th cros107 🇦🇺 685 82 1,060ms 3 days ago 446th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 447th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 447th retrohun 682 48 2,663ms 6 days ago 449th Arkadios200 682 98 111ms 3 days ago 450th Shanethegamer 🇺🇸 680 76 125ms 13 Dec 2024 451st msbranicky 677 83 18ms 16 days ago 452nd Jonson26 674 109 350ms 2 days ago 453rd madex 🇩🇪 672 75 465ms 17 days ago 454th CaedenHarper 🇨🇦 672 87 380ms 19 days ago 455th AlephSquirrel 671 107 23ms 14 May 2025 456th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 457th madex 🇩🇪 668 101 141ms 15 days ago 458th KatieLG 🇬🇧 663 65 12ms 12 days ago 458th flekAI 663 65 12ms 16 hours ago 460th AlephSquirrel 663 76 427ms 3 Dec 2025 461st madex 🇩🇪 661 79 29ms 15 days ago 462nd flekAI 655 77 548ms 17 hours ago 463rd madex 🇩🇪 654 121 8ms 15 days ago 464th albanian-laundromat 🇺🇸 653 80 28ms 19 days ago 465th flekAI 653 84 7ms 15 hours ago 466th Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 467th Shanethegamer 🇺🇸 646 65 254ms 13 Dec 2024 468th Yax42 🇫🇷 634 68 13ms 19 days ago 469th dokutan 632 74 160ms 2 days ago 470th madex 🇩🇪 631 87 14ms 17 days ago 471st GolfingSuccess 🇬🇷 626 137 91ms 18 days ago 472nd HumanoidCPU 625 133 162ms 19 days ago 473rd Shanethegamer 🇺🇸 622 94 371ms 13 Dec 2024 474th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 475th IISResetMe 621 58 308ms 17 days ago 476th Shanethegamer 🇺🇸 619 114 1,281ms 9 May 2025 477th UnderKoen 🇳🇱 617 139 1,195ms 18 days ago 478th KatieLG 🇬🇧 615 82 424ms 12 days ago 479th brian124634 613 103 4ms 10 days ago 480th madex 🇩🇪 611 99 19ms 15 days ago First Prev 401–480 of 575 Next Last