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 316th edsrzf 🇳🇿 745 75 17ms 7 days ago 316th zgialor-lab 745 75 25ms 6 days ago 316th DialFrost 🇸🇬 745 75 25ms 2 days ago 316th sean-niemann 🇺🇸 745 75 178ms 2 days ago 325th Lv0Sys 🇵🇱 744 43 38ms 5 days ago 326th snyderek 🇺🇸 743 101 424ms 14 hours ago 327th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 328th albanian-laundromat 742 108 31ms 5 Jan 2026 329th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 330th emgordon154 736 85 4ms 23 hours ago 331st AlephSquirrel 735 76 39ms 3 Dec 2025 331st MeWhenI 🇻🇦 735 76 586ms 16 days ago 331st duckyluuk 🇳🇱 735 76 128ms 5 days ago 334th Shanethegamer 🇺🇸 734 99 352ms 24 Sep 2025 335th Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 336th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 337th emgordon154 729 103 63ms 23 hours ago 338th emgordon154 728 44 41ms 8 days ago 339th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 340th Shanethegamer 🇺🇸 726 77 19ms 13 Dec 2024 340th addmai 726 77 20ms 24 Jul 2025 340th hiichbindermax 726 77 17ms 17 Aug 2025 340th 5cw 🇺🇸 726 77 18ms 22 Aug 2025 340th davecame 726 77 135ms 25 Sep 2025 340th SirBogman 🇺🇸 726 77 232ms 13 Oct 2025 340th jtaxen 726 77 19ms 16 Oct 2025 340th Matter1024 🇮🇳 726 77 17ms 12 Feb 2026 340th KasperKivimaeki 🇫🇮 726 77 564ms 16 days ago 340th StefanHabel 🇨🇦 726 77 1,217ms 8 days ago 340th ahmetdemirag 🇨🇾 726 77 18ms 8 days ago 340th tomh1012 726 77 17ms 7 days ago 340th qpwoeirut 726 77 19ms 7 days ago 340th btjones0 726 77 19ms 7 days ago 340th ComradeSquirrel 726 77 18ms 7 days ago 340th bzijlema 🇳🇱 726 77 18ms 7 days ago 340th Lv0Sys 🇵🇱 726 77 18ms 6 days ago 340th stefangimmillaro 726 77 136ms 3 days ago 340th LostSyntax21 🇬🇧 726 77 18ms 2 days ago 340th scpchicken 🇵🇼 726 77 18ms 8 hours ago 340th Andrey2001 726 77 18ms 79 mins ago 361st h3ra993huskp 🇯🇵 726 100 392ms 3 days ago 361st kmathis22 726 100 403ms 37 hours ago 363rd albanian-laundromat 724 97 44ms 6 Dec 2025 364th plcc0 722 18 9ms 3 days ago 365th roelderickx 722 130 54ms 5 hours ago 366th MeWhenI 🇻🇦 719 87 4ms 11 hours ago 367th rucin93 🇵🇱 719 101 373ms 27 days ago 368th jameswmccarty 716 78 19ms 29 Mar 2025 368th solisolu 716 78 20ms 10 Nov 2025 370th MeWhenI 🇻🇦 716 81 428ms 28 hours ago 371st KatieLG 🇬🇧 714 65 11ms 11 hours ago 372nd Andriamanitra 🇫🇮 711 45 37ms 7 days ago 373rd edsrzf 🇳🇿 711 94 459ms 20 May 2025 374th BREMAUCY 🇫🇷 707 79 18ms 8 days ago 374th mishak-sys 707 79 411ms 5 days ago 374th firegene 🇮🇪 707 79 18ms 21 hours ago 374th KatieLG 🇬🇧 707 79 19ms 11 hours ago 378th emgordon154 706 231 1,484ms 4 days ago 379th MeWhenI 🇻🇦 705 33 28ms 6 days ago 380th Jacob385 705 103 386ms 3 days ago 381st elgan65536 🇺🇸 705 117 156ms 2 days ago 382nd Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 383rd madex 🇩🇪 703 94 99ms 3 days ago 384th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 385th madex 🇩🇪 699 84 359ms 3 days ago 386th Matter1024 🇮🇳 696 46 38ms 7 days ago 387th aadenboy 🇺🇸 695 81 5ms 44 hours ago 388th madex 🇩🇪 692 39 16ms 3 days ago 389th Aquateraneal 🇺🇸 690 81 19ms 5 days ago 389th luuumine 🇫🇷 690 81 16ms 4 days ago 391st CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 392nd albanian-laundromat 685 75 108ms 5 Jan 2026 393rd GolfingSuccess 🇬🇷 685 137 94ms 6 days ago 394th albanian-laundromat 684 19 4ms 13 Feb 2026 395th albanian-laundromat 684 95 114ms 6 Jan 2026 396th Yax42 🇫🇷 683 68 12ms 7 days ago 397th bricknellj 682 82 17ms 30 Jan 2025 398th KatieLG 🇬🇧 681 47 40ms 11 hours ago 399th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 400th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 First Prev 321–400 of 469 Next Last