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 384th LostSyntax21 🇬🇧 731 77 18ms 19 days ago 384th scpchicken 🇵🇼 731 77 18ms 16 days ago 384th Andrey2001 731 77 19ms 16 days ago 384th guilhem-roy 🇫🇷 731 77 17ms 15 days ago 384th jameswmccarty 731 77 19ms 14 days ago 384th mantaslu 🇱🇹 731 77 18ms 14 days ago 384th firegene 🇮🇪 731 77 18ms 13 days ago 384th Pyroan 731 77 19ms 10 days ago 384th retrohun 731 77 183ms 10 days ago 384th klixel 🇨🇦 731 77 19ms 8 days ago 384th flekAI 731 77 147ms 5 days ago 384th FoxInTheClouds 731 77 19ms 2 days ago 413th dokutan 729 101 361ms 6 days ago 414th MeWhenI 🇻🇦 727 87 4ms 16 days ago 415th Matter1024 🇮🇳 726 83 163ms 12 days ago 416th madex 🇩🇪 724 50 979ms 21 days ago 417th MeWhenI 🇻🇦 724 81 413ms 17 days ago 418th plcc0 722 18 9ms 19 days ago 419th solisolu 721 78 41ms 10 Nov 2025 419th Alex-x90 🇺🇸 721 78 19ms 5 days ago 421st edsrzf 🇳🇿 720 94 459ms 20 May 2025 422nd emgordon154 719 231 1,589ms 20 days ago 423rd Andriamanitra 🇫🇮 717 45 37ms 23 days ago 424th Shanethegamer 🇺🇸 715 80 5ms 3 Jun 2025 425th madex 🇩🇪 715 94 111ms 19 days ago 426th madex 🇩🇪 713 84 359ms 19 days ago 427th elgan65536 🇺🇸 713 117 164ms 18 days ago 428th BREMAUCY 🇫🇷 712 79 19ms 24 days ago 428th mishak-sys 712 79 418ms 22 days ago 428th KatieLG 🇬🇧 712 79 18ms 16 days ago 428th ZakkkkAttackkkk 🇵🇭 712 79 45ms 10 days ago 428th lelbal 712 79 19ms 2 days ago 433rd Shanethegamer 🇺🇸 710 139 328ms 13 Dec 2024 434th albanian-laundromat 🇺🇸 708 61 12ms 4 Mar 2026 435th aadenboy 🇺🇸 706 81 5ms 18 days ago 436th Matter1024 🇮🇳 701 46 38ms 24 days ago 437th madex 🇩🇪 698 39 9ms 19 days ago 438th Andrey-Plotnikov 697 62 33ms 12 Jan 2025 438th XenThe 🇬🇧 697 62 12ms 15 Jul 2025 438th JOrE20 697 62 27ms 27 Feb 2026 438th Protothor 697 62 11ms 20 days ago 438th madeforlosers 697 62 38ms 15 days ago 438th dokutan 697 62 34ms 6 days ago 444th Aquateraneal 🇺🇸 695 81 22ms 21 days ago 444th luuumine 🇫🇷 695 81 17ms 21 days ago 446th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 447th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 448th albanian-laundromat 🇺🇸 692 75 115ms 5 Jan 2026 449th dokutan 690 57 1,372ms 6 days ago 450th KatieLG 🇬🇧 686 47 40ms 16 days ago 451st zakariamouhid 686 63 12ms 3 days ago 452nd bricknellj 686 82 18ms 30 Jan 2025 452nd cros107 🇦🇺 686 82 1,060ms 8 days ago 452nd celiendonze 🇨🇭 686 82 18ms 26 hours ago 455th DialFrost 🇸🇬 685 48 54ms 16 Dec 2025 455th retrohun 685 48 2,663ms 10 days ago 457th Arkadios200 685 98 119ms 7 days ago 458th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 459th Shanethegamer 🇺🇸 683 76 120ms 13 Dec 2024 460th msbranicky 678 83 18ms 20 days ago 461st Jonson26 676 109 350ms 7 days ago 462nd CaedenHarper 🇨🇦 675 87 386ms 23 days ago 463rd AlephSquirrel 675 107 23ms 14 May 2025 464th madex 🇩🇪 674 75 465ms 21 days ago 464th jusaka 674 75 460ms 31 hours ago 466th Shanethegamer 🇺🇸 673 124 151ms 3 Jun 2025 467th madex 🇩🇪 670 101 141ms 19 days ago 468th madex 🇩🇪 666 79 29ms 19 days ago 469th AlephSquirrel 665 76 427ms 3 Dec 2025 470th KatieLG 🇬🇧 664 65 15ms 16 days ago 470th flekAI 664 65 12ms 4 days ago 472nd madex 🇩🇪 662 121 8ms 19 days ago 473rd albanian-laundromat 🇺🇸 658 80 28ms 23 days ago 474th Shanethegamer 🇺🇸 657 75 67ms 7 May 2025 475th flekAI 657 77 543ms 4 days ago 476th flekAI 656 84 7ms 4 days ago 477th jusaka 652 228 1,710ms 43 hours ago 478th Shanethegamer 🇺🇸 649 65 254ms 13 Dec 2024 479th caleblin125 647 87 19ms 2 days ago 480th Yax42 🇫🇷 635 68 12ms 24 days ago First Prev 401–480 of 655 Next Last