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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st 2bular 0 7 274ms 5 Jul 2025 1st Natanaelel 🇸🇪 0 7 251ms 5 Jul 2025 3rd kg583 🇺🇸 0 9 916ms 14 May 2025 4th 2bular 0 13 5ms 9 Dec 2024 4th ovs-code 🇩🇪 0 13 4ms 5 Jan 2025 4th Natanaelel 🇸🇪 0 13 4ms 8 May 2025 4th SirBogman 🇺🇸 0 13 5ms 12 Oct 2025 4th namelessiw 0 13 335ms 25 Oct 2025 4th GolfingSuccess 🇬🇷 0 13 4ms 3 days ago 10th saito-ta 🇯🇵 0 18 79ms 11 May 2025 10th GolfingSuccess 🇬🇷 0 18 90ms 4 days ago 12th pardouin 🇫🇷 0 20 77ms 25 Feb 2025 12th AlephSquirrel 0 20 8ms 3 Dec 2025 12th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 15th emgordon154 0 26 383ms 22 Nov 2025 16th AlephSquirrel 0 27 7ms 3 Dec 2025 16th ovs-code 🇩🇪 0 27 5ms 7 Dec 2025 18th 2bular 0 28 36ms 9 Oct 2025 18th SirBogman 🇺🇸 0 28 38ms 9 Oct 2025 18th albanian-laundromat 0 28 32ms 4 days ago 18th GolfingSuccess 🇬🇷 0 28 32ms 2 days ago 22nd Natanaelel 🇸🇪 0 29 37ms 11 May 2025 22nd ovs-code 🇩🇪 0 29 35ms 9 Oct 2025 22nd ovs-code 🇩🇪 0 29 125ms 3 Dec 2025 25th error256 0 30 26ms 3 days ago 26th Shanethegamer 🇺🇸 0 32 36ms 19 May 2025 27th Natanaelel 🇸🇪 0 33 172ms 8 May 2025 28th 4atj 0 35 411ms 21 May 2025 28th error256 0 35 86ms 3 days ago 30th 4atj 0 36 223ms 21 May 2025 31st saito-ta 🇯🇵 0 37 8ms 11 May 2025 31st Natanaelel 🇸🇪 0 37 9ms 11 May 2025 33rd Natanaelel 🇸🇪 0 38 41ms 8 May 2025 33rd ovs-code 🇩🇪 0 38 42ms 2 days ago 35th stefangimmillaro 0 41 68ms 9 May 2025 36th Shanethegamer 🇺🇸 0 42 39ms 13 Dec 2024 36th MeWhenI 🇻🇦 0 42 1,001ms 15 Apr 2025 36th saito-ta 🇯🇵 0 42 386ms 10 May 2025 39th bitsandbeyond 🇳🇱 0 44 1,172ms 8 Dec 2025 39th error256 0 44 1,181ms 23 hours ago 41st albanian-laundromat 0 47 1,049ms 11 days ago 41st kg583 🇺🇸 0 47 11ms 37 hours ago 43rd ovs-code 🇩🇪 0 48 300ms 23 Feb 2025 43rd DialFrost 🇸🇬 0 48 55ms 16 Dec 2025 45th antimon2 🇯🇵 0 49 302ms 16 Dec 2024 45th GolfingSuccess 🇬🇷 0 49 36ms 3 days ago 45th error256 0 49 276ms 2 days ago 48th Shanethegamer 🇺🇸 0 50 4,235ms 8 May 2025 48th error256 0 50 4,591ms 23 hours ago 50th lukegustafson 🇺🇸 0 51 37ms 16 Jun 2025 50th GolfingSuccess 🇬🇷 0 51 37ms 3 days ago 50th sean-niemann 🇺🇸 0 51 38ms 16 hours ago 53rd Shanethegamer 🇺🇸 0 52 1,287ms 13 Dec 2024 54th kg583 🇺🇸 0 53 6ms 2 Oct 2025 54th albanian-laundromat 0 53 763ms 6 Dec 2025 56th Shanethegamer 🇺🇸 0 54 39ms 13 Dec 2024 56th rucin93 🇵🇱 0 54 46ms 24 Feb 2025 56th error256 0 54 26ms 2 May 2025 56th albanian-laundromat 0 54 11ms 12 days ago 60th Natanaelel 🇸🇪 0 55 12ms 8 May 2025 60th albanian-laundromat 0 55 2,221ms 9 days ago 62nd kg583 🇺🇸 0 56 402ms 1 Dec 2024 62nd GolfingSuccess 🇬🇷 0 56 8ms 37 hours ago 62nd kg583 🇺🇸 0 56 8ms 37 hours ago 65th edsrzf 🇳🇿 0 57 12ms 10 May 2025 66th pardouin 🇫🇷 0 58 563ms 24 Feb 2025 66th sean-niemann 🇺🇸 0 58 156ms 16 hours ago 68th lifthrasiir 🇰🇷 0 59 543ms 11 Dec 2024 68th ovs-code 🇩🇪 0 59 396ms 23 Feb 2025 68th GolfingSuccess 🇬🇷 0 59 165ms 3 days ago 68th error256 0 59 68ms 2 days ago 72nd khvdm 0 60 151ms 13 Jan 2025 72nd emgordon154 0 60 291ms 9 May 2025 72nd emgordon154 0 60 431ms 9 May 2025 72nd GolfingSuccess 🇬🇷 0 60 381ms 4 days ago 76th DialFrost 🇸🇬 0 61 35ms 24 Feb 2025 76th voytxt 🇨🇿 0 61 27ms 14 days ago 78th Andrey-Plotnikov 0 62 43ms 12 Jan 2025 78th XenThe 🇬🇧 0 62 13ms 15 Jul 2025 78th sean-niemann 🇺🇸 0 62 365ms 16 hours ago 1–80 of 230 Next Last
