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 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 Bytes Time Submitted 159th Steffan153 🇫🇮 856 71 17ms 16 days ago 159th GolfingSuccess 🇬🇷 856 71 18ms 14 days ago 163rd saito-ta 🇯🇵 855 74 3ms 11 May 2025 163rd error256 855 74 3ms 12 Jan 2026 165th edsrzf 🇳🇿 855 83 1,450ms 21 days ago 165th Steffan153 🇫🇮 855 83 1,390ms 14 days ago 167th madex 🇩🇪 853 67 9ms 19 days ago 168th edsrzf 🇳🇿 852 94 6ms 21 days ago 168th albanian-laundromat 🇺🇸 852 94 6ms 21 days ago 168th sean-niemann 🇺🇸 852 94 6ms 16 days ago 168th Steffan153 🇫🇮 852 94 6ms 15 days ago 172nd DialFrost 🇸🇬 851 70 116ms 20 days ago 172nd Steffan153 🇫🇮 851 70 2,152ms 15 days ago 174th error256 851 98 155ms 16 Jan 2026 174th edsrzf 🇳🇿 851 98 157ms 21 days ago 176th GolfingSuccess 🇬🇷 850 69 455ms 14 Jan 2026 176th error256 850 69 466ms 24 days ago 176th Steffan153 🇫🇮 850 69 485ms 15 days ago 176th stefangimmillaro 850 69 437ms 14 days ago 180th GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 180th edsrzf 🇳🇿 850 85 28ms 21 days ago 182nd Natanaelel 🇸🇪 849 38 41ms 8 May 2025 182nd ovs-code 🇩🇪 849 38 38ms 13 Jan 2026 182nd pardouin 🇫🇷 849 38 37ms 19 Feb 2026 182nd stefangimmillaro 849 38 42ms 11 days ago 182nd blaztoma 🇱🇹 849 38 79ms 2 days ago 187th AlephSquirrel 849 76 38ms 3 Dec 2025 187th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 187th duckyluuk 🇳🇱 849 76 120ms 20 days ago 187th emgordon154 849 76 310ms 12 days ago 191st edsrzf 🇳🇿 847 48 818ms 21 days ago 192nd GolfingSuccess 🇬🇷 847 51 36ms 12 Jan 2026 192nd sean-niemann 🇺🇸 847 51 34ms 15 Jan 2026 192nd Steffan153 🇫🇮 847 51 34ms 19 Feb 2026 192nd Natanaelel 🇸🇪 847 51 33ms 22 days ago 192nd voytxt 🇨🇿 847 51 37ms 14 days ago 192nd weliveinhell 🇭🇹 847 51 33ms 3 days ago 198th edsrzf 🇳🇿 847 78 110ms 15 days ago 198th Steffan153 🇫🇮 847 78 102ms 15 days ago 198th snoozingnewt 🇨🇦 847 78 105ms 2 days ago 201st error256 846 80 466ms 16 Jan 2026 202nd GolfingSuccess 🇬🇷 845 49 37ms 12 Jan 2026 202nd albanian-laundromat 🇺🇸 845 49 34ms 9 Mar 2026 202nd MeWhenI 🇻🇦 845 49 37ms 21 days ago 205th Steffan153 🇫🇮 845 69 7ms 14 days ago 206th albanian-laundromat 🇺🇸 844 69 514ms 6 Dec 2025 207th GolfingSuccess 🇬🇷 844 117 330ms 12 Jan 2026 207th Steffan153 🇫🇮 844 117 329ms 15 days ago 209th Yax42 🇫🇷 843 75 4ms 22 days ago 210th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 210th error256 843 91 293ms 14 Jan 2026 210th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 210th Natanaelel 🇸🇪 843 91 311ms 22 days ago 210th edsrzf 🇳🇿 843 91 292ms 15 days ago 210th Steffan153 🇫🇮 843 91 285ms 15 days ago 216th stefangimmillaro 843 99 194ms 15 days ago 216th Steffan153 🇫🇮 843 99 157ms 14 days ago 218th error256 842 55 2,436ms 15 Feb 2026 219th Steffan153 🇫🇮 842 62 56ms 15 days ago 220th error256 842 91 59ms 12 Jan 2026 220th Steffan153 🇫🇮 842 91 63ms 20 days ago 222nd edsrzf 🇳🇿 841 96 32ms 22 days ago 222nd Steffan153 🇫🇮 841 96 30ms 16 days ago 224th MeWhenI 🇻🇦 840 80 106ms 15 days ago 225th kg583 🇺🇸 840 86 23ms 2 Oct 2025 226th edsrzf 🇳🇿 840 100 145ms 9 May 2025 227th ovs-code 🇩🇪 839 71 139ms 20 days ago 228th bitsandbeyond 🇳🇱 838 43 1,233ms 27 days ago 229th edsrzf 🇳🇿 838 62 140ms 21 days ago 230th lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 230th Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 230th addmai 838 77 20ms 24 Jul 2025 230th hiichbindermax 838 77 18ms 17 Aug 2025 230th 5cw 🇺🇸 838 77 20ms 22 Aug 2025 230th davecame 838 77 142ms 25 Sep 2025 230th SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 230th jtaxen 838 77 27ms 16 Oct 2025 230th albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 230th anter69 🇭🇺 838 77 147ms 4 Feb 2026 230th Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 First Prev 161–240 of 637 Next Last