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 387th ComradeSquirrel 731 77 18ms 25 Mar 2026 387th bzijlema 🇳🇱 731 77 19ms 25 Mar 2026 387th Lv0Sys 🇵🇱 731 77 20ms 27 days ago 387th LostSyntax21 🇬🇧 731 77 18ms 24 days ago 387th scpchicken 🇵🇼 731 77 18ms 22 days ago 387th Andrey2001 731 77 19ms 21 days ago 387th guilhem-roy 🇫🇷 731 77 17ms 21 days ago 387th jameswmccarty 731 77 19ms 20 days ago 387th mantaslu 🇱🇹 731 77 18ms 20 days ago 387th firegene 🇮🇪 731 77 18ms 19 days ago 387th Pyroan 731 77 19ms 16 days ago 387th retrohun 731 77 183ms 16 days ago 387th klixel 🇨🇦 731 77 19ms 14 days ago 387th FoxInTheClouds 731 77 20ms 8 days ago 415th dokutan 728 101 361ms 12 days ago 416th MeWhenI 🇻🇦 727 87 4ms 22 days ago 417th MeWhenI 🇻🇦 723 81 413ms 22 days ago 418th plcc0 722 18 9ms 24 days ago 419th Matter1024 🇮🇳 722 83 163ms 17 days ago 420th madex 🇩🇪 721 50 1,078ms 26 days ago 421st solisolu 721 78 41ms 10 Nov 2025 421st Alex-x90 🇺🇸 721 78 21ms 10 days ago 423rd emgordon154 719 231 1,339ms 25 days ago 424th edsrzf 🇳🇿 718 94 459ms 20 May 2025 425th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 426th BREMAUCY 🇫🇷 712 79 19ms 24 Mar 2026 426th mishak-sys 712 79 418ms 27 days ago 426th KatieLG 🇬🇧 712 79 18ms 22 days ago 426th ZakkkkAttackkkk 🇵🇭 712 79 45ms 16 days ago 426th lelbal 712 79 19ms 7 days ago 431st Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 432nd madex 🇩🇪 711 94 109ms 25 days ago 433rd elgan65536 🇺🇸 711 117 164ms 24 days ago 434th madex 🇩🇪 710 84 359ms 25 days ago 435th albanian-laundromat 🇺🇸 708 61 12ms 4 Mar 2026 436th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 437th aadenboy 🇺🇸 703 81 5ms 23 days ago 438th Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 439th madex 🇩🇪 697 39 9ms 25 days ago 440th Andrey-Plotnikov 697 62 33ms 12 Jan 2025 440th XenThe 🇬🇧 697 62 12ms 15 Jul 2025 440th JOrE20 697 62 27ms 27 Feb 2026 440th Protothor 697 62 11ms 26 days ago 440th madeforlosers 697 62 38ms 21 days ago 440th dokutan 697 62 34ms 12 days ago 440th scpchicken 🇵🇼 697 62 12ms 4 hours ago 447th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 448th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 449th Aquateraneal 🇺🇸 694 81 22ms 27 days ago 449th luuumine 🇫🇷 694 81 17ms 26 days ago 451st albanian-laundromat 🇺🇸 689 75 115ms 5 Jan 2026 452nd dokutan 688 57 1,372ms 12 days ago 453rd scpchicken 🇵🇼 687 92 4ms 4 hours ago 454th zakariamouhid 686 63 12ms 8 days ago 455th bricknellj 686 82 18ms 30 Jan 2025 455th cros107 🇦🇺 686 82 1,060ms 13 days ago 455th celiendonze 🇨🇭 686 82 18ms 6 days ago 458th KatieLG 🇬🇧 685 47 47ms 22 days ago 459th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 460th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 460th retrohun 682 48 2,663ms 16 days ago 462nd Arkadios200 682 98 116ms 13 days ago 463rd Shanethegamer 🇺🇸 680 76 120ms 13 Dec 2024 464th msbranicky 678 83 18ms 26 days ago 465th AlephSquirrel 675 107 23ms 14 May 2025 466th Jonson26 674 109 350ms 12 days ago 467th madex 🇩🇪 673 75 465ms 26 days ago 467th jusaka 673 75 460ms 6 days ago 469th CaedenHarper 🇨🇦 673 87 386ms 24 Mar 2026 470th Shanethegamer 🇺🇸 671 124 151ms 3 Jun 2025 471st madex 🇩🇪 668 101 141ms 25 days ago 472nd madex 🇩🇪 666 79 29ms 25 days ago 473rd KatieLG 🇬🇧 664 65 15ms 22 days ago 474th AlephSquirrel 664 76 427ms 3 Dec 2025 475th albanian-laundromat 🇺🇸 658 80 28ms 25 Mar 2026 476th madex 🇩🇪 658 121 8ms 25 days ago 477th Shanethegamer 🇺🇸 657 75 67ms 7 May 2025 478th jusaka 652 228 1,710ms 7 days ago 479th caleblin125 647 87 19ms 8 days ago 480th Shanethegamer 🇺🇸 646 65 254ms 13 Dec 2024 First Prev 401–480 of 628 Next Last