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 380th jameswmccarty 729 77 19ms 10 days ago 380th mantaslu 🇱🇹 729 77 18ms 10 days ago 380th firegene 🇮🇪 729 77 18ms 10 days ago 380th Pyroan 729 77 19ms 6 days ago 380th retrohun 729 77 183ms 6 days ago 380th klixel 🇨🇦 729 77 19ms 4 days ago 380th flekAI 729 77 147ms 24 hours ago 408th dokutan 728 101 361ms 2 days ago 409th MeWhenI 🇻🇦 725 87 4ms 12 days ago 410th plcc0 722 18 9ms 15 days ago 411th Matter1024 🇮🇳 722 83 163ms 8 days ago 412th madex 🇩🇪 721 50 896ms 17 days ago 413th MeWhenI 🇻🇦 721 81 426ms 13 days ago 414th solisolu 720 78 41ms 10 Nov 2025 414th Alex-x90 🇺🇸 720 78 19ms 30 hours ago 416th edsrzf 🇳🇿 718 94 459ms 20 May 2025 417th Andriamanitra 🇫🇮 716 45 37ms 19 days ago 418th BREMAUCY 🇫🇷 711 79 19ms 20 days ago 418th mishak-sys 711 79 418ms 18 days ago 418th KatieLG 🇬🇧 711 79 18ms 12 days ago 418th ZakkkkAttackkkk 🇵🇭 711 79 45ms 6 days ago 422nd Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 423rd madex 🇩🇪 711 94 99ms 15 days ago 424th elgan65536 🇺🇸 711 117 156ms 14 days ago 425th madex 🇩🇪 710 84 359ms 15 days ago 426th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 427th albanian-laundromat 🇺🇸 707 61 13ms 4 Mar 2026 428th emgordon154 706 231 1,663ms 16 days ago 429th aadenboy 🇺🇸 703 81 5ms 14 days ago 430th Matter1024 🇮🇳 700 46 38ms 20 days ago 431st madex 🇩🇪 697 39 9ms 15 days ago 432nd Andrey-Plotnikov 695 62 39ms 12 Jan 2025 432nd XenThe 🇬🇧 695 62 12ms 15 Jul 2025 432nd JOrE20 695 62 31ms 27 Feb 2026 432nd Protothor 695 62 13ms 16 days ago 432nd madeforlosers 695 62 38ms 12 days ago 432nd dokutan 695 62 24ms 2 days ago 438th Aquateraneal 🇺🇸 693 81 22ms 17 days ago 438th luuumine 🇫🇷 693 81 17ms 17 days ago 440th albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 441st CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 442nd albanian-laundromat 🇺🇸 689 75 119ms 5 Jan 2026 443rd dokutan 688 57 1,275ms 2 days ago 444th KatieLG 🇬🇧 685 47 40ms 12 days ago 445th bricknellj 685 82 18ms 30 Jan 2025 445th cros107 🇦🇺 685 82 1,060ms 4 days ago 447th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 448th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 448th retrohun 682 48 2,663ms 6 days ago 450th Arkadios200 682 98 111ms 3 days ago 451st Shanethegamer 🇺🇸 680 76 125ms 13 Dec 2024 452nd msbranicky 677 83 18ms 16 days ago 453rd Jonson26 674 109 350ms 3 days ago 454th madex 🇩🇪 672 75 465ms 17 days ago 455th CaedenHarper 🇨🇦 672 87 380ms 19 days ago 456th AlephSquirrel 671 107 23ms 14 May 2025 457th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 458th madex 🇩🇪 668 101 141ms 15 days ago 459th KatieLG 🇬🇧 663 65 12ms 12 days ago 459th flekAI 663 65 12ms 22 hours ago 461st AlephSquirrel 663 76 427ms 3 Dec 2025 462nd madex 🇩🇪 661 79 29ms 15 days ago 463rd flekAI 655 77 548ms 23 hours ago 464th madex 🇩🇪 654 121 8ms 15 days ago 465th albanian-laundromat 🇺🇸 653 80 28ms 19 days ago 466th flekAI 653 84 7ms 22 hours ago 467th Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 468th Shanethegamer 🇺🇸 646 65 254ms 13 Dec 2024 469th Yax42 🇫🇷 634 68 13ms 20 days ago 470th dokutan 632 74 160ms 2 days ago 471st madex 🇩🇪 631 87 14ms 17 days ago 472nd GolfingSuccess 🇬🇷 626 137 91ms 18 days ago 473rd HumanoidCPU 625 133 162ms 19 days ago 474th Shanethegamer 🇺🇸 622 94 371ms 13 Dec 2024 475th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 476th IISResetMe 621 58 308ms 17 days ago 477th Shanethegamer 🇺🇸 619 114 1,281ms 9 May 2025 478th UnderKoen 🇳🇱 617 139 1,195ms 19 days ago 479th KatieLG 🇬🇧 615 82 424ms 12 days ago 480th brian124634 613 103 4ms 11 days ago First Prev 401–480 of 576 Next Last