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 Dragon Curve 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 Dragon Curve 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 388th btjones0 731 77 18ms 25 Mar 2026 388th ComradeSquirrel 731 77 18ms 25 Mar 2026 388th bzijlema 🇳🇱 731 77 19ms 25 Mar 2026 388th Lv0Sys 🇵🇱 731 77 20ms 26 Mar 2026 388th LostSyntax21 🇬🇧 731 77 18ms 26 days ago 388th scpchicken 🇵🇼 731 77 18ms 23 days ago 388th Andrey2001 731 77 19ms 23 days ago 388th guilhem-roy 🇫🇷 731 77 17ms 22 days ago 388th jameswmccarty 731 77 19ms 21 days ago 388th mantaslu 🇱🇹 731 77 18ms 21 days ago 388th firegene 🇮🇪 731 77 18ms 20 days ago 388th Pyroan 731 77 19ms 17 days ago 388th retrohun 731 77 183ms 17 days ago 388th klixel 🇨🇦 731 77 19ms 15 days ago 388th FoxInTheClouds 731 77 19ms 9 days ago 416th dokutan 728 101 361ms 13 days ago 417th MeWhenI 🇻🇦 727 87 4ms 23 days ago 418th MeWhenI 🇻🇦 723 81 463ms 24 days ago 419th plcc0 722 18 9ms 26 days ago 420th Matter1024 🇮🇳 722 83 163ms 19 days ago 421st madex 🇩🇪 721 50 1,078ms 27 Mar 2026 422nd solisolu 721 78 41ms 10 Nov 2025 422nd Alex-x90 🇺🇸 721 78 21ms 12 days ago 424th emgordon154 719 231 1,321ms 27 days ago 425th edsrzf 🇳🇿 718 94 459ms 20 May 2025 426th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 427th BREMAUCY 🇫🇷 712 79 19ms 24 Mar 2026 427th mishak-sys 712 79 418ms 26 Mar 2026 427th KatieLG 🇬🇧 712 79 18ms 23 days ago 427th ZakkkkAttackkkk 🇵🇭 712 79 45ms 17 days ago 427th lelbal 712 79 19ms 9 days ago 432nd Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 433rd madex 🇩🇪 711 94 109ms 26 days ago 434th elgan65536 🇺🇸 711 117 163ms 25 days ago 435th madex 🇩🇪 710 84 359ms 26 days ago 436th albanian-laundromat 🇺🇸 709 61 13ms 4 Mar 2026 436th gigaprofisi 🇺🇸 709 61 26ms 16 hours ago 438th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 439th aadenboy 🇺🇸 703 81 5ms 24 days ago 440th Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 441st madex 🇩🇪 697 39 9ms 26 days ago 442nd Andrey-Plotnikov 697 62 61ms 12 Jan 2025 442nd XenThe 🇬🇧 697 62 12ms 15 Jul 2025 442nd JOrE20 697 62 26ms 27 Feb 2026 442nd Protothor 697 62 12ms 27 days ago 442nd madeforlosers 697 62 26ms 22 days ago 442nd dokutan 697 62 29ms 13 days ago 442nd scpchicken 🇵🇼 697 62 13ms 36 hours ago 449th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 450th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 451st Aquateraneal 🇺🇸 694 81 22ms 26 Mar 2026 451st luuumine 🇫🇷 694 81 17ms 27 days ago 453rd albanian-laundromat 🇺🇸 689 75 115ms 5 Jan 2026 454th dokutan 688 57 1,372ms 13 days ago 455th scpchicken 🇵🇼 687 92 4ms 36 hours ago 456th zakariamouhid 686 63 12ms 10 days ago 457th bricknellj 686 82 18ms 30 Jan 2025 457th cros107 🇦🇺 686 82 1,060ms 15 days ago 457th celiendonze 🇨🇭 686 82 18ms 7 days ago 460th KatieLG 🇬🇧 685 47 46ms 23 days ago 461st albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 462nd DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 462nd retrohun 682 48 2,663ms 17 days ago 464th Arkadios200 682 98 116ms 14 days ago 465th Shanethegamer 🇺🇸 680 76 120ms 13 Dec 2024 466th msbranicky 678 83 18ms 27 days ago 467th AlephSquirrel 675 107 23ms 14 May 2025 468th Jonson26 674 109 350ms 14 days ago 469th madex 🇩🇪 673 75 465ms 27 Mar 2026 469th jusaka 673 75 460ms 8 days ago 471st CaedenHarper 🇨🇦 673 87 463ms 24 Mar 2026 472nd Shanethegamer 🇺🇸 671 124 151ms 3 Jun 2025 473rd madex 🇩🇪 668 101 141ms 26 days ago 474th madex 🇩🇪 666 79 29ms 26 days ago 475th KatieLG 🇬🇧 665 65 13ms 23 days ago 476th AlephSquirrel 664 76 427ms 3 Dec 2025 477th madex 🇩🇪 662 121 8ms 26 days ago 478th albanian-laundromat 🇺🇸 658 80 28ms 25 Mar 2026 479th Shanethegamer 🇺🇸 657 75 67ms 7 May 2025 480th jusaka 652 228 1,710ms 8 days ago First Prev 401–480 of 630 Next Last