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 77th emgordon154 871 53 2,820ms 9 hours ago 82nd KasperKivimaeki 🇫🇮 871 72 4ms 13 days ago 82nd Steffan153 🇫🇮 871 72 3ms 11 days ago 84th Steffan153 🇫🇮 868 37 315ms 5 days ago 85th sean-niemann 🇺🇸 868 63 7ms 9 May 2025 85th rucin93 🇵🇱 868 63 7ms 10 May 2025 85th edsrzf 🇳🇿 868 63 6ms 10 May 2025 85th targrik 868 63 7ms 8 Oct 2025 85th GolfingSuccess 🇬🇷 868 63 7ms 12 Jan 2026 85th Steffan153 🇫🇮 868 63 7ms 7 days ago 91st Natanaelel 🇸🇪 867 29 35ms 11 May 2025 91st ovs-code 🇩🇪 867 29 39ms 9 Oct 2025 93rd pardouin 🇫🇷 866 45 1,189ms 15 Feb 2026 93rd stefangimmillaro 866 45 1,255ms 12 days ago 93rd Steffan153 🇫🇮 866 45 1,228ms 6 days ago 96th ovs-code 🇩🇪 866 48 316ms 23 Feb 2025 96th antimon2 🇯🇵 866 48 264ms 13 days ago 98th kumavale 866 96 160ms 11 days ago 99th lukegustafson 🇺🇸 861 54 142ms 2 days ago 100th GolfingSuccess 🇬🇷 859 56 8ms 14 Jan 2026 100th kg583 🇺🇸 859 56 8ms 14 Jan 2026 100th edsrzf 🇳🇿 859 56 9ms 13 days ago 100th Steffan153 🇫🇮 859 56 9ms 5 days ago 104th Steffan153 🇫🇮 858 38 260ms 6 days ago 105th Steffan153 🇫🇮 857 78 454ms 7 days ago 105th sean-niemann 🇺🇸 857 78 413ms 7 days ago 107th Steffan153 🇫🇮 856 60 126ms 9 days ago 108th edsrzf 🇳🇿 856 69 394ms 12 days ago 108th Steffan153 🇫🇮 856 69 393ms 5 days ago 110th error256 856 70 18ms 24 days ago 111th error256 856 114 513ms 29 Jan 2026 111th edsrzf 🇳🇿 856 114 489ms 12 days ago 113th Steffan153 🇫🇮 855 47 6ms 5 days ago 114th albanian-laundromat 854 54 2,287ms 18 Feb 2026 115th error256 854 64 4,375ms 15 Jan 2026 116th lifthrasiir 🇰🇷 853 59 572ms 11 Dec 2024 116th ovs-code 🇩🇪 853 59 412ms 23 Feb 2025 118th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 118th edsrzf 🇳🇿 853 66 10ms 12 days ago 118th Steffan153 🇫🇮 853 66 10ms 11 days ago 121st Steffan153 🇫🇮 851 69 7ms 5 days ago 122nd Steffan153 🇫🇮 851 70 132ms 5 days ago 122nd edsrzf 🇳🇿 851 70 3,044ms 5 days ago 124th error256 849 49 312ms 13 Jan 2026 125th dokutan 849 66 18ms 18 Aug 2025 126th error256 849 98 155ms 16 Jan 2026 126th edsrzf 🇳🇿 849 98 157ms 11 days ago 128th ovs-code 🇩🇪 848 46 11ms 10 days ago 128th emgordon154 848 46 11ms 8 days ago 128th Steffan153 🇫🇮 848 46 11ms 7 days ago 131st saito-ta 🇯🇵 847 74 3ms 11 May 2025 131st error256 847 74 3ms 12 Jan 2026 133rd stefangimmillaro 847 78 129ms 6 days ago 133rd Steffan153 🇫🇮 847 78 129ms 5 days ago 135th Natanaelel 🇸🇪 845 38 41ms 8 May 2025 135th ovs-code 🇩🇪 845 38 38ms 13 Jan 2026 135th pardouin 🇫🇷 845 38 37ms 19 Feb 2026 135th stefangimmillaro 845 38 42ms 2 days ago 139th GolfingSuccess 🇬🇷 845 49 33ms 12 Jan 2026 139th albanian-laundromat 845 49 33ms 9 Mar 2026 139th MeWhenI 🇻🇦 845 49 33ms 12 days ago 142nd edsrzf 🇳🇿 845 83 1,251ms 12 days ago 142nd Steffan153 🇫🇮 845 83 1,350ms 5 days ago 144th GolfingSuccess 🇬🇷 845 85 29ms 14 Jan 2026 144th edsrzf 🇳🇿 845 85 28ms 12 days ago 146th edsrzf 🇳🇿 844 71 18ms 12 days ago 146th kg583 🇺🇸 844 71 18ms 12 days ago 146th Steffan153 🇫🇮 844 71 17ms 7 days ago 146th GolfingSuccess 🇬🇷 844 71 18ms 5 days ago 150th GolfingSuccess 🇬🇷 843 51 34ms 12 Jan 2026 150th sean-niemann 🇺🇸 843 51 37ms 15 Jan 2026 150th Steffan153 🇫🇮 843 51 34ms 19 Feb 2026 150th Natanaelel 🇸🇪 843 51 33ms 13 days ago 150th voytxt 🇨🇿 843 51 37ms 5 days ago 155th GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 155th error256 843 69 398ms 15 days ago 155th Steffan153 🇫🇮 843 69 468ms 5 days ago 155th stefangimmillaro 843 69 398ms 5 days ago 159th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 160th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 First Prev 81–160 of 507 Next Last