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 385th Lv0Sys 🇵🇱 731 77 20ms 24 days ago 385th LostSyntax21 🇬🇧 731 77 18ms 21 days ago 385th scpchicken 🇵🇼 731 77 18ms 19 days ago 385th Andrey2001 731 77 19ms 18 days ago 385th guilhem-roy 🇫🇷 731 77 17ms 18 days ago 385th jameswmccarty 731 77 19ms 17 days ago 385th mantaslu 🇱🇹 731 77 18ms 17 days ago 385th firegene 🇮🇪 731 77 18ms 16 days ago 385th Pyroan 731 77 19ms 13 days ago 385th retrohun 731 77 183ms 13 days ago 385th klixel 🇨🇦 731 77 19ms 11 days ago 385th FoxInTheClouds 731 77 19ms 5 days ago 413th dokutan 728 101 361ms 9 days ago 414th MeWhenI 🇻🇦 725 87 4ms 19 days ago 415th MeWhenI 🇻🇦 723 81 413ms 19 days ago 416th plcc0 722 18 9ms 21 days ago 417th Matter1024 🇮🇳 722 83 163ms 14 days ago 418th madex 🇩🇪 721 50 979ms 23 days ago 419th solisolu 721 78 41ms 10 Nov 2025 419th Alex-x90 🇺🇸 721 78 21ms 7 days ago 421st emgordon154 719 231 1,552ms 22 days ago 422nd edsrzf 🇳🇿 718 94 459ms 20 May 2025 423rd Andriamanitra 🇫🇮 716 45 37ms 26 days ago 424th BREMAUCY 🇫🇷 712 79 19ms 26 days ago 424th mishak-sys 712 79 418ms 24 days ago 424th KatieLG 🇬🇧 712 79 18ms 19 days ago 424th ZakkkkAttackkkk 🇵🇭 712 79 45ms 13 days ago 424th lelbal 712 79 19ms 4 days ago 429th Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 430th madex 🇩🇪 711 94 111ms 22 days ago 431st elgan65536 🇺🇸 711 117 164ms 21 days ago 432nd madex 🇩🇪 710 84 359ms 22 days ago 433rd Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 434th albanian-laundromat 🇺🇸 707 61 12ms 4 Mar 2026 435th aadenboy 🇺🇸 703 81 5ms 20 days ago 436th Matter1024 🇮🇳 700 46 38ms 26 days ago 437th madex 🇩🇪 697 39 9ms 22 days ago 438th Andrey-Plotnikov 696 62 33ms 12 Jan 2025 438th XenThe 🇬🇧 696 62 12ms 15 Jul 2025 438th JOrE20 696 62 27ms 27 Feb 2026 438th Protothor 696 62 11ms 23 days ago 438th madeforlosers 696 62 38ms 18 days ago 438th dokutan 696 62 34ms 9 days ago 444th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 445th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 446th Aquateraneal 🇺🇸 694 81 22ms 24 days ago 446th luuumine 🇫🇷 694 81 17ms 23 days ago 448th albanian-laundromat 🇺🇸 689 75 115ms 5 Jan 2026 449th dokutan 688 57 1,372ms 9 days ago 450th bricknellj 686 82 18ms 30 Jan 2025 450th cros107 🇦🇺 686 82 1,060ms 10 days ago 450th celiendonze 🇨🇭 686 82 18ms 3 days ago 453rd KatieLG 🇬🇧 685 47 40ms 19 days ago 454th zakariamouhid 685 63 12ms 5 days ago 455th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 456th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 456th retrohun 682 48 2,663ms 13 days ago 458th Arkadios200 682 98 116ms 10 days ago 459th Shanethegamer 🇺🇸 680 76 120ms 13 Dec 2024 460th msbranicky 678 83 18ms 23 days ago 461st AlephSquirrel 675 107 23ms 14 May 2025 462nd Jonson26 674 109 350ms 9 days ago 463rd madex 🇩🇪 673 75 465ms 23 days ago 463rd jusaka 673 75 460ms 3 days ago 465th CaedenHarper 🇨🇦 673 87 386ms 26 days ago 466th Shanethegamer 🇺🇸 671 124 151ms 3 Jun 2025 467th madex 🇩🇪 668 101 141ms 22 days ago 468th madex 🇩🇪 666 79 29ms 22 days ago 469th KatieLG 🇬🇧 664 65 15ms 19 days ago 470th AlephSquirrel 664 76 427ms 3 Dec 2025 471st albanian-laundromat 🇺🇸 658 80 28ms 25 days ago 472nd madex 🇩🇪 658 121 8ms 22 days ago 473rd Shanethegamer 🇺🇸 657 75 67ms 7 May 2025 474th jusaka 652 228 1,710ms 4 days ago 475th caleblin125 647 87 19ms 5 days ago 476th Shanethegamer 🇺🇸 646 65 254ms 13 Dec 2024 477th Yax42 🇫🇷 635 68 12ms 26 days ago 478th jusaka 634 116 413ms 4 days ago 479th GolfingSuccess 🇬🇷 632 137 91ms 25 days ago 480th madex 🇩🇪 631 87 12ms 23 days ago First Prev 401–480 of 623 Next Last