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 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 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 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 Lily 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 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 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 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 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 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 23 days ago 10th saito-ta 🇯🇵 0 18 79ms 11 May 2025 10th GolfingSuccess 🇬🇷 0 18 90ms 24 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 6ms 3 Dec 2025 16th ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 16th GolfingSuccess 🇬🇷 0 27 31ms 10 days ago 19th 2bular 0 28 36ms 9 Oct 2025 19th SirBogman 🇺🇸 0 28 38ms 9 Oct 2025 19th albanian-laundromat 0 28 30ms 23 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 23 days ago 26th Shanethegamer 🇺🇸 0 32 34ms 19 May 2025 27th Natanaelel 🇸🇪 0 33 142ms 8 May 2025 28th 4atj 0 35 411ms 21 May 2025 28th error256 0 35 86ms 23 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 22 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 36th anter69 🇭🇺 0 42 178ms 9 hours ago 40th bitsandbeyond 🇳🇱 0 44 1,172ms 8 Dec 2025 40th error256 0 44 1,261ms 20 days ago 42nd albanian-laundromat 0 47 941ms 5 Jan 2026 42nd kg583 🇺🇸 0 47 11ms 21 days ago 42nd anter69 🇭🇺 0 47 1,308ms 9 hours ago 45th ovs-code 🇩🇪 0 48 300ms 23 Feb 2025 45th DialFrost 🇸🇬 0 48 55ms 16 Dec 2025 47th antimon2 🇯🇵 0 49 302ms 16 Dec 2024 47th GolfingSuccess 🇬🇷 0 49 36ms 23 days ago 47th error256 0 49 276ms 22 days ago 50th Shanethegamer 🇺🇸 0 50 3,580ms 8 May 2025 50th error256 0 50 4,591ms 20 days ago 52nd lukegustafson 🇺🇸 0 51 37ms 16 Jun 2025 52nd GolfingSuccess 🇬🇷 0 51 37ms 23 days ago 52nd sean-niemann 🇺🇸 0 51 38ms 20 days ago 55th Shanethegamer 🇺🇸 0 52 1,314ms 13 Dec 2024 56th kg583 🇺🇸 0 53 6ms 2 Oct 2025 56th albanian-laundromat 0 53 1,031ms 6 Dec 2025 58th Shanethegamer 🇺🇸 0 54 39ms 13 Dec 2024 58th rucin93 🇵🇱 0 54 46ms 24 Feb 2025 58th error256 0 54 26ms 2 May 2025 58th albanian-laundromat 0 54 11ms 4 Jan 2026 62nd Natanaelel 🇸🇪 0 55 12ms 8 May 2025 62nd albanian-laundromat 0 55 3,098ms 6 Jan 2026 64th kg583 🇺🇸 0 56 653ms 1 Dec 2024 64th GolfingSuccess 🇬🇷 0 56 8ms 21 days ago 64th kg583 🇺🇸 0 56 8ms 21 days ago 64th GolfingSuccess 🇬🇷 0 56 488ms 13 days ago 68th edsrzf 🇳🇿 0 57 12ms 10 May 2025 69th pardouin 🇫🇷 0 58 650ms 24 Feb 2025 69th sean-niemann 🇺🇸 0 58 150ms 20 days ago 71st lifthrasiir 🇰🇷 0 59 572ms 11 Dec 2024 71st ovs-code 🇩🇪 0 59 517ms 23 Feb 2025 71st GolfingSuccess 🇬🇷 0 59 175ms 23 days ago 71st error256 0 59 68ms 22 days ago 75th khvdm 0 60 156ms 13 Jan 2025 75th emgordon154 0 60 291ms 9 May 2025 75th emgordon154 0 60 379ms 9 May 2025 78th DialFrost 🇸🇬 0 61 35ms 24 Feb 2025 78th voytxt 🇨🇿 0 61 27ms 1 Jan 2026 80th Andrey-Plotnikov 0 62 43ms 12 Jan 2025 1–80 of 236 Next Last
