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 79th Steffan153 🇫🇮 866 45 1,228ms 5 hours ago 82nd ovs-code 🇩🇪 866 48 316ms 23 Feb 2025 82nd antimon2 🇯🇵 866 48 264ms 7 days ago 84th namelessiw 865 67 407ms 2 Nov 2025 85th Natanaelel 🇸🇪 862 29 35ms 11 May 2025 85th ovs-code 🇩🇪 862 29 40ms 9 Oct 2025 87th pardouin 🇫🇷 862 53 2,617ms 19 Feb 2026 87th edsrzf 🇳🇿 862 53 2,583ms 6 days ago 87th Steffan153 🇫🇮 862 53 2,512ms 47 hours ago 90th GolfingSuccess 🇬🇷 861 27 27ms 26 Jan 2026 91st Shanethegamer 🇺🇸 860 54 31ms 13 Dec 2024 91st error256 860 54 26ms 2 May 2025 91st emgordon154 860 54 41ms 7 days ago 91st ComradeSquirrel 860 54 40ms 6 days ago 91st helbling 🇨🇭 860 54 40ms 6 days ago 96th kumavale 860 96 160ms 6 days ago 97th GolfingSuccess 🇬🇷 859 56 9ms 14 Jan 2026 97th kg583 🇺🇸 859 56 9ms 14 Jan 2026 97th edsrzf 🇳🇿 859 56 9ms 7 days ago 97th Steffan153 🇫🇮 859 56 9ms 4 hours ago 101st Steffan153 🇫🇮 857 78 454ms 47 hours ago 101st sean-niemann 🇺🇸 857 78 413ms 42 hours ago 103rd Steffan153 🇫🇮 856 60 107ms 3 days ago 104th error256 856 70 18ms 18 days ago 105th error256 856 114 513ms 29 Jan 2026 105th edsrzf 🇳🇿 856 114 489ms 6 days ago 107th Steffan153 🇫🇮 854 48 5ms 5 hours ago 108th error256 854 64 4,375ms 15 Jan 2026 109th Steffan153 🇫🇮 853 38 260ms 5 hours ago 110th GolfingSuccess 🇬🇷 853 57 213ms 22 days ago 110th rucin93 🇵🇱 853 57 211ms 22 days ago 110th Steffan153 🇫🇮 853 57 179ms 47 hours ago 113th GolfingSuccess 🇬🇷 853 66 10ms 12 Jan 2026 113th edsrzf 🇳🇿 853 66 10ms 6 days ago 113th Steffan153 🇫🇮 853 66 10ms 5 days ago 116th lifthrasiir 🇰🇷 852 59 572ms 11 Dec 2024 116th ovs-code 🇩🇪 852 59 412ms 23 Feb 2025 118th error256 849 49 312ms 13 Jan 2026 119th ovs-code 🇩🇪 848 46 11ms 4 days ago 119th emgordon154 848 46 11ms 3 days ago 119th Steffan153 🇫🇮 848 46 11ms 47 hours ago 122nd dokutan 847 66 19ms 18 Aug 2025 123rd stefangimmillaro 847 78 129ms 22 hours ago 123rd Steffan153 🇫🇮 847 78 129ms 13 mins ago 125th albanian-laundromat 846 54 2,566ms 18 Feb 2026 126th GolfingSuccess 🇬🇷 845 49 38ms 12 Jan 2026 126th albanian-laundromat 845 49 33ms 23 days ago 126th MeWhenI 🇻🇦 845 49 33ms 6 days ago 129th edsrzf 🇳🇿 845 69 394ms 6 days ago 129th Steffan153 🇫🇮 845 69 393ms 24 mins ago 131st saito-ta 🇯🇵 845 74 3ms 11 May 2025 131st error256 845 74 3ms 12 Jan 2026 133rd edsrzf 🇳🇿 845 83 1,251ms 6 days ago 133rd Steffan153 🇫🇮 845 83 1,350ms 22 mins ago 135th GolfingSuccess 🇬🇷 845 85 25ms 14 Jan 2026 135th edsrzf 🇳🇿 845 85 28ms 6 days ago 137th DialFrost 🇸🇬 844 55 39ms 5 days ago 138th Steffan153 🇫🇮 844 70 132ms 2 hours ago 139th edsrzf 🇳🇿 844 71 18ms 7 days ago 139th kg583 🇺🇸 844 71 18ms 7 days ago 139th Steffan153 🇫🇮 844 71 17ms 47 hours ago 142nd rucin93 🇵🇱 844 72 10ms 24 days ago 142nd edsrzf 🇳🇿 844 72 9ms 6 days ago 142nd Steffan153 🇫🇮 844 72 9ms 47 hours ago 145th GolfingSuccess 🇬🇷 843 89 56ms 12 Jan 2026 146th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 146th error256 843 91 293ms 14 Jan 2026 146th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 146th Natanaelel 🇸🇪 843 91 311ms 7 days ago 146th edsrzf 🇳🇿 843 91 546ms 3 hours ago 146th Steffan153 🇫🇮 843 91 285ms 3 hours ago 152nd Steffan153 🇫🇮 842 62 56ms 3 hours ago 153rd error256 842 98 155ms 16 Jan 2026 153rd edsrzf 🇳🇿 842 98 157ms 6 days ago 155th Natanaelel 🇸🇪 841 38 41ms 8 May 2025 155th ovs-code 🇩🇪 841 38 38ms 13 Jan 2026 155th Steffan153 🇫🇮 841 38 77ms 19 Feb 2026 155th pardouin 🇫🇷 841 38 37ms 19 Feb 2026 159th madex 🇩🇪 840 67 9ms 4 days ago 160th GolfingSuccess 🇬🇷 840 69 447ms 14 Jan 2026 First Prev 81–160 of 464 Next Last