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 81st ovs-code 🇩🇪 866 48 316ms 23 Feb 2025 81st antimon2 🇯🇵 866 48 264ms 8 days ago 83rd pardouin 🇫🇷 866 53 2,617ms 19 Feb 2026 83rd edsrzf 🇳🇿 866 53 2,583ms 8 days ago 83rd Steffan153 🇫🇮 866 53 2,512ms 3 days ago 83rd stefangimmillaro 866 53 2,741ms 36 mins ago 87th kumavale 863 96 160ms 7 days ago 88th Natanaelel 🇸🇪 862 29 35ms 11 May 2025 88th ovs-code 🇩🇪 862 29 40ms 9 Oct 2025 90th GolfingSuccess 🇬🇷 861 27 27ms 26 Jan 2026 91st GolfingSuccess 🇬🇷 859 56 9ms 14 Jan 2026 91st kg583 🇺🇸 859 56 9ms 14 Jan 2026 91st edsrzf 🇳🇿 859 56 9ms 8 days ago 91st Steffan153 🇫🇮 859 56 9ms 31 hours ago 95th Steffan153 🇫🇮 857 78 454ms 3 days ago 95th sean-niemann 🇺🇸 857 78 413ms 2 days ago 97th Steffan153 🇫🇮 856 60 107ms 4 days ago 98th edsrzf 🇳🇿 856 69 394ms 8 days ago 98th Steffan153 🇫🇮 856 69 393ms 27 hours ago 100th error256 856 70 18ms 19 days ago 101st error256 856 114 513ms 29 Jan 2026 101st edsrzf 🇳🇿 856 114 489ms 7 days ago 103rd Steffan153 🇫🇮 855 47 7ms 10 hours ago 104th error256 854 64 4,375ms 15 Jan 2026 105th Steffan153 🇫🇮 853 38 260ms 32 hours ago 106th GolfingSuccess 🇬🇷 853 57 213ms 23 days ago 106th rucin93 🇵🇱 853 57 211ms 23 days ago 106th Steffan153 🇫🇮 853 57 179ms 3 days ago 109th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 109th edsrzf 🇳🇿 853 66 10ms 8 days ago 109th Steffan153 🇫🇮 853 66 10ms 7 days ago 112th lifthrasiir 🇰🇷 852 59 572ms 11 Dec 2024 112th ovs-code 🇩🇪 852 59 412ms 23 Feb 2025 114th Steffan153 🇫🇮 851 69 7ms 26 hours ago 115th albanian-laundromat 850 54 2,566ms 18 Feb 2026 116th error256 849 49 312ms 13 Jan 2026 117th ovs-code 🇩🇪 848 46 11ms 5 days ago 117th emgordon154 848 46 11ms 4 days ago 117th Steffan153 🇫🇮 848 46 11ms 3 days ago 120th dokutan 847 66 19ms 18 Aug 2025 121st stefangimmillaro 847 78 129ms 2 days ago 121st Steffan153 🇫🇮 847 78 129ms 27 hours ago 123rd error256 846 98 155ms 16 Jan 2026 123rd edsrzf 🇳🇿 846 98 157ms 7 days ago 125th GolfingSuccess 🇬🇷 845 49 38ms 12 Jan 2026 125th albanian-laundromat 845 49 33ms 24 days ago 125th MeWhenI 🇻🇦 845 49 33ms 7 days ago 128th saito-ta 🇯🇵 845 74 3ms 11 May 2025 128th error256 845 74 3ms 12 Jan 2026 130th edsrzf 🇳🇿 845 83 1,251ms 7 days ago 130th Steffan153 🇫🇮 845 83 1,350ms 27 hours ago 132nd GolfingSuccess 🇬🇷 845 85 25ms 14 Jan 2026 132nd edsrzf 🇳🇿 845 85 28ms 7 days ago 134th Natanaelel 🇸🇪 844 38 41ms 8 May 2025 134th ovs-code 🇩🇪 844 38 38ms 13 Jan 2026 134th pardouin 🇫🇷 844 38 37ms 19 Feb 2026 137th Steffan153 🇫🇮 844 70 132ms 29 hours ago 137th edsrzf 🇳🇿 844 70 3,044ms 22 hours ago 139th edsrzf 🇳🇿 844 71 18ms 8 days ago 139th kg583 🇺🇸 844 71 18ms 8 days ago 139th Steffan153 🇫🇮 844 71 17ms 3 days ago 139th GolfingSuccess 🇬🇷 844 71 18ms 26 hours ago 143rd GolfingSuccess 🇬🇷 843 69 447ms 14 Jan 2026 143rd error256 843 69 410ms 10 days ago 143rd Steffan153 🇫🇮 843 69 493ms 30 hours ago 143rd stefangimmillaro 843 69 398ms 17 hours ago 147th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 148th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 148th error256 843 91 293ms 14 Jan 2026 148th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 148th Natanaelel 🇸🇪 843 91 311ms 8 days ago 148th edsrzf 🇳🇿 843 91 546ms 30 hours ago 148th Steffan153 🇫🇮 843 91 285ms 29 hours ago 154th lukegustafson 🇺🇸 842 51 35ms 16 Jun 2025 154th GolfingSuccess 🇬🇷 842 51 33ms 12 Jan 2026 154th sean-niemann 🇺🇸 842 51 32ms 15 Jan 2026 154th Steffan153 🇫🇮 842 51 33ms 19 Feb 2026 154th Natanaelel 🇸🇪 842 51 34ms 8 days ago 154th voytxt 🇨🇿 842 51 33ms 14 hours ago 160th Steffan153 🇫🇮 842 62 56ms 30 hours ago First Prev 81–160 of 480 Next Last