Gray Code Decoder in all languages in bytes. 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 Bytes Time Submitted 1st 2bular 0 7 270ms 5 Jul 2025 1st Natanaelel 🇸🇪 0 7 269ms 5 Jul 2025 3rd kg583 🇺🇸 0 10 911ms 8 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 GolfingSuccess 🇬🇷 0 13 5ms 14 hours ago 9th namelessiw 0 14 335ms 25 Oct 2025 10th saito-ta 🇯🇵 0 18 79ms 11 May 2025 10th GolfingSuccess 🇬🇷 0 18 80ms 28 hours ago 12th pardouin 🇫🇷 0 20 71ms 25 Feb 2025 13th emgordon154 0 26 357ms 22 Nov 2025 14th 2bular 0 28 36ms 9 Oct 2025 14th SirBogman 🇺🇸 0 28 38ms 9 Oct 2025 14th albanian-laundromat 0 28 33ms 19 hours ago 17th Natanaelel 🇸🇪 0 29 37ms 11 May 2025 17th ovs-code 🇩🇪 0 29 35ms 9 Oct 2025 19th error256 0 30 26ms 6 hours ago 20th AlephSquirrel 0 31 8ms 3 Dec 2025 20th ovs-code 🇩🇪 0 31 10ms 3 Dec 2025 22nd Natanaelel 🇸🇪 0 33 173ms 8 May 2025 23rd 4atj 0 35 395ms 21 May 2025 23rd error256 0 35 60ms 6 hours ago 25th 4atj 0 36 223ms 21 May 2025 26th saito-ta 🇯🇵 0 37 8ms 11 May 2025 26th Natanaelel 🇸🇪 0 37 9ms 11 May 2025 28th Natanaelel 🇸🇪 0 38 41ms 8 May 2025 29th stefangimmillaro 0 41 70ms 9 May 2025 30th Shanethegamer 🇺🇸 0 42 41ms 13 Dec 2024 30th MeWhenI 🇻🇦 0 42 1,057ms 15 Apr 2025 30th saito-ta 🇯🇵 0 42 386ms 10 May 2025 30th AlephSquirrel 0 42 7ms 3 Dec 2025 30th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 35th bitsandbeyond 🇳🇱 0 44 1,168ms 8 Dec 2025 36th lyphyser 0 45 47ms 11 Feb 2025 36th error256 0 45 993ms 12 Apr 2025 38th albanian-laundromat 0 47 879ms 7 days ago 39th DialFrost 🇸🇬 0 48 63ms 16 Dec 2025 40th kg583 🇺🇸 0 49 11ms 3 Oct 2025 40th GolfingSuccess 🇬🇷 0 49 32ms 11 hours ago 42nd ovs-code 🇩🇪 0 50 300ms 23 Feb 2025 42nd Shanethegamer 🇺🇸 0 50 4,235ms 8 May 2025 44th lukegustafson 🇺🇸 0 51 40ms 16 Jun 2025 44th GolfingSuccess 🇬🇷 0 51 37ms 13 hours ago 46th Shanethegamer 🇺🇸 0 52 958ms 13 Dec 2024 46th antimon2 🇯🇵 0 52 302ms 16 Dec 2024 46th Shanethegamer 🇺🇸 0 52 159ms 20 May 2025 46th error256 0 52 3,706ms 26 Sep 2025 50th ovs-code 🇩🇪 0 53 125ms 30 May 2025 50th kg583 🇺🇸 0 53 6ms 2 Oct 2025 50th albanian-laundromat 0 53 763ms 6 Dec 2025 53rd Shanethegamer 🇺🇸 0 54 39ms 13 Dec 2024 53rd rucin93 🇵🇱 0 54 47ms 24 Feb 2025 53rd error256 0 54 27ms 2 May 2025 53rd sean-niemann 🇺🇸 0 54 40ms 8 May 2025 53rd albanian-laundromat 0 54 11ms 8 days ago 58th Natanaelel 🇸🇪 0 55 12ms 8 May 2025 58th albanian-laundromat 0 55 2,221ms 6 days ago 60th edsrzf 🇳🇿 0 57 12ms 10 May 2025 61st kg583 🇺🇸 0 58 8ms 2 Oct 2025 62nd GolfingSuccess 🇬🇷 0 59 165ms 10 hours ago 63rd kg583 🇺🇸 0 60 508ms 1 Dec 2024 63rd ovs-code 🇩🇪 0 60 396ms 23 Feb 2025 63rd emgordon154 0 60 296ms 9 May 2025 63rd GolfingSuccess 🇬🇷 0 60 381ms 36 hours ago 67th DialFrost 🇸🇬 0 61 36ms 24 Feb 2025 67th voytxt 🇨🇿 0 61 27ms 11 days ago 69th Andrey-Plotnikov 0 62 49ms 12 Jan 2025 69th pardouin 🇫🇷 0 62 415ms 24 Feb 2025 69th sean-niemann 🇺🇸 0 62 156ms 19 May 2025 69th XenThe 🇬🇧 0 62 13ms 15 Jul 2025 73rd Shanethegamer 🇺🇸 0 63 158ms 7 May 2025 73rd sean-niemann 🇺🇸 0 63 7ms 9 May 2025 73rd rucin93 🇵🇱 0 63 7ms 10 May 2025 73rd edsrzf 🇳🇿 0 63 7ms 10 May 2025 73rd targrik 0 63 7ms 8 Oct 2025 73rd albanian-laundromat 0 63 13ms 7 Dec 2025 73rd GolfingSuccess 🇬🇷 0 63 7ms 10 hours ago 80th albanian-laundromat 0 65 42ms 6 Dec 2025 1–80 of 216 Next Last
