Gray Code Decoder in Python 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 1st khvdm 1,000 60 161ms 13 Jan 2025 1st Seek64 🇩🇪 1,000 60 125ms 18 days ago 3rd pardouin 🇫🇷 968 62 202ms 14 Feb 2026 3rd Steffan153 🇫🇮 968 62 216ms 21 Feb 2026 5th kg583 🇺🇸 952 63 890ms 1 Dec 2024 5th hallvabo 🇳🇴 952 63 132ms 30 Dec 2024 5th fuzzylojik-golf 🇺🇸 952 63 152ms 18 days ago 5th plcc0 952 63 28ms 17 days ago 5th ndren 952 63 21ms 16 days ago 5th CornerMercury 🇬🇧 952 63 20ms 15 days ago 11th lifthrasiir 🇰🇷 938 64 193ms 11 Dec 2024 11th emgordon154 938 64 18ms 9 May 2025 11th anter69 🇭🇺 938 64 23ms 4 Feb 2026 11th albanian-laundromat 🇺🇸 938 64 20ms 22 Feb 2026 11th HumanoidCPU 938 64 284ms 17 days ago 11th snoozingnewt 🇨🇦 938 64 19ms 8 days ago 11th madeforlosers 938 64 21ms 4 days ago 18th dokutan 909 66 22ms 18 Aug 2025 19th 4atj 870 69 1,250ms 21 May 2025 20th btnlq 857 70 202ms 4 Dec 2024 20th error256 857 70 142ms 15 Jan 2026 22nd ovs-code 🇩🇪 845 71 124ms 18 days ago 23rd aksyristos 833 72 278ms 12 Mar 2026 23rd blaztoma 🇱🇹 833 72 158ms 18 days ago 23rd Emutis 🇱🇹 833 72 130ms 18 days ago 23rd zacjl 833 72 137ms 16 days ago 23rd bizy-coder 833 72 129ms 9 days ago 28th lukegustafson 🇺🇸 811 74 194ms 9 Mar 2026 29th Natanaelel 🇸🇪 800 75 20ms 11 May 2025 29th commandz0 🇺🇸 800 75 1,254ms 27 Aug 2025 29th GolfingSuccess 🇬🇷 800 75 18ms 11 Jan 2026 29th madex 🇩🇪 800 75 26ms 23 days ago 29th CaedenHarper 🇨🇦 800 75 158ms 20 days ago 29th edsrzf 🇳🇿 800 75 18ms 17 days ago 29th zgialor-lab 800 75 28ms 17 days ago 29th DialFrost 🇸🇬 800 75 28ms 13 days ago 29th sean-niemann 🇺🇸 800 75 181ms 12 days ago 29th stefangimmillaro 800 75 26ms 7 days ago 29th FortuiteMan 🇫🇷 800 75 23ms 2 days ago 29th jusaka 800 75 19ms 9 hours ago 41st AlephSquirrel 789 76 38ms 3 Dec 2025 41st MeWhenI 🇻🇦 789 76 605ms 26 days ago 41st duckyluuk 🇳🇱 789 76 120ms 16 days ago 44th Shanethegamer 🇺🇸 779 77 18ms 13 Dec 2024 44th addmai 779 77 20ms 24 Jul 2025 44th hiichbindermax 779 77 18ms 17 Aug 2025 44th 5cw 🇺🇸 779 77 20ms 22 Aug 2025 44th davecame 779 77 142ms 25 Sep 2025 44th SirBogman 🇺🇸 779 77 244ms 13 Oct 2025 44th jtaxen 779 77 27ms 16 Oct 2025 44th Matter1024 🇮🇳 779 77 19ms 12 Feb 2026 44th KasperKivimaeki 🇫🇮 779 77 589ms 26 days ago 44th StefanHabel 🇨🇦 779 77 1,323ms 18 days ago 44th ahmetdemirag 🇨🇾 779 77 18ms 18 days ago 44th tomh1012 779 77 19ms 18 days ago 44th qpwoeirut 779 77 19ms 17 days ago 44th btjones0 779 77 18ms 17 days ago 44th ComradeSquirrel 779 77 18ms 17 days ago 44th bzijlema 🇳🇱 779 77 19ms 17 days ago 44th Lv0Sys 🇵🇱 779 77 20ms 16 days ago 44th LostSyntax21 🇬🇧 779 77 18ms 13 days ago 44th scpchicken 🇵🇼 779 77 18ms 10 days ago 44th Andrey2001 779 77 19ms 10 days ago 44th guilhem-roy 🇫🇷 779 77 17ms 10 days ago 44th jameswmccarty 779 77 19ms 8 days ago 44th mantaslu 🇱🇹 779 77 18ms 8 days ago 44th firegene 🇮🇪 779 77 19ms 8 days ago 44th Pyroan 779 77 19ms 5 days ago 44th retrohun 779 77 183ms 4 days ago 44th klixel 🇨🇦 779 77 19ms 2 days ago 71st solisolu 769 78 41ms 10 Nov 2025 72nd BREMAUCY 🇫🇷 759 79 19ms 18 days ago 72nd mishak-sys 759 79 418ms 16 days ago 72nd KatieLG 🇬🇧 759 79 18ms 10 days ago 72nd ZakkkkAttackkkk 🇵🇭 759 79 45ms 5 days ago 76th Aquateraneal 🇺🇸 741 81 22ms 15 days ago 76th luuumine 🇫🇷 741 81 17ms 15 days ago 78th bricknellj 732 82 18ms 30 Jan 2025 78th cros107 🇦🇺 732 82 1,060ms 2 days ago 80th msbranicky 723 83 18ms 15 days ago 1–80 of 83 Next Last