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 382nd Andrey2001 730 77 19ms 14 days ago 382nd guilhem-roy 🇫🇷 730 77 17ms 14 days ago 382nd jameswmccarty 730 77 19ms 12 days ago 382nd mantaslu 🇱🇹 730 77 18ms 12 days ago 382nd firegene 🇮🇪 730 77 18ms 12 days ago 382nd Pyroan 730 77 19ms 9 days ago 382nd retrohun 730 77 183ms 9 days ago 382nd klixel 🇨🇦 730 77 19ms 7 days ago 382nd flekAI 730 77 147ms 3 days ago 382nd FoxInTheClouds 730 77 19ms 25 hours ago 411th dokutan 729 101 361ms 4 days ago 412th MeWhenI 🇻🇦 727 87 4ms 14 days ago 413th Matter1024 🇮🇳 726 83 163ms 10 days ago 414th MeWhenI 🇻🇦 724 81 426ms 15 days ago 415th plcc0 722 18 9ms 17 days ago 416th madex 🇩🇪 721 50 896ms 19 days ago 417th solisolu 721 78 41ms 10 Nov 2025 417th Alex-x90 🇺🇸 721 78 19ms 3 days ago 419th edsrzf 🇳🇿 720 94 459ms 20 May 2025 420th emgordon154 719 231 1,663ms 18 days ago 421st Andriamanitra 🇫🇮 717 45 37ms 22 days ago 422nd Shanethegamer 🇺🇸 715 80 5ms 3 Jun 2025 423rd madex 🇩🇪 715 94 99ms 18 days ago 424th madex 🇩🇪 713 84 359ms 18 days ago 425th elgan65536 🇺🇸 713 117 156ms 16 days ago 426th BREMAUCY 🇫🇷 712 79 19ms 22 days ago 426th mishak-sys 712 79 418ms 20 days ago 426th KatieLG 🇬🇧 712 79 18ms 14 days ago 426th ZakkkkAttackkkk 🇵🇭 712 79 45ms 9 days ago 426th lelbal 712 79 19ms 11 hours ago 431st Shanethegamer 🇺🇸 710 139 328ms 13 Dec 2024 432nd albanian-laundromat 🇺🇸 708 61 13ms 4 Mar 2026 433rd aadenboy 🇺🇸 706 81 5ms 16 days ago 434th Matter1024 🇮🇳 701 46 38ms 22 days ago 435th madex 🇩🇪 698 39 9ms 18 days ago 436th Andrey-Plotnikov 697 62 39ms 12 Jan 2025 436th XenThe 🇬🇧 697 62 12ms 15 Jul 2025 436th JOrE20 697 62 31ms 27 Feb 2026 436th Protothor 697 62 13ms 19 days ago 436th madeforlosers 697 62 36ms 14 days ago 436th dokutan 697 62 24ms 4 days ago 442nd albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 443rd CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 444th Aquateraneal 🇺🇸 694 81 22ms 19 days ago 444th luuumine 🇫🇷 694 81 17ms 19 days ago 446th albanian-laundromat 🇺🇸 692 75 119ms 5 Jan 2026 447th dokutan 690 57 1,275ms 4 days ago 448th KatieLG 🇬🇧 686 47 40ms 14 days ago 449th zakariamouhid 686 63 12ms 33 hours ago 450th bricknellj 686 82 18ms 30 Jan 2025 450th cros107 🇦🇺 686 82 1,060ms 6 days ago 452nd DialFrost 🇸🇬 685 48 54ms 16 Dec 2025 452nd retrohun 685 48 2,663ms 9 days ago 454th Arkadios200 685 98 111ms 6 days ago 455th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 456th Shanethegamer 🇺🇸 683 76 125ms 13 Dec 2024 457th msbranicky 678 83 18ms 19 days ago 458th Jonson26 676 109 350ms 5 days ago 459th CaedenHarper 🇨🇦 675 87 380ms 21 days ago 460th AlephSquirrel 675 107 23ms 14 May 2025 461st madex 🇩🇪 673 75 465ms 19 days ago 462nd Shanethegamer 🇺🇸 673 124 147ms 3 Jun 2025 463rd madex 🇩🇪 670 101 141ms 18 days ago 464th KatieLG 🇬🇧 664 65 12ms 14 days ago 464th flekAI 664 65 12ms 3 days ago 466th AlephSquirrel 664 76 427ms 3 Dec 2025 467th madex 🇩🇪 662 121 8ms 18 days ago 468th madex 🇩🇪 661 79 29ms 18 days ago 469th flekAI 656 77 548ms 3 days ago 470th flekAI 656 84 7ms 3 days ago 471st albanian-laundromat 🇺🇸 653 80 28ms 21 days ago 472nd Shanethegamer 🇺🇸 649 65 254ms 13 Dec 2024 473rd Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 474th caleblin125 646 87 19ms 26 hours ago 475th jusaka 641 228 1,710ms 94 mins ago 476th Yax42 🇫🇷 635 68 13ms 22 days ago 477th jusaka 635 116 413ms 5 hours ago 478th madex 🇩🇪 633 87 14ms 19 days ago 479th dokutan 632 74 160ms 4 days ago 480th HumanoidCPU 627 133 162ms 21 days ago First Prev 401–480 of 621 Next Last