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 emgordon154 852 68 540ms 8 days ago 162nd edsrzf 🇳🇿 852 71 18ms 26 days ago 162nd kg583 🇺🇸 852 71 18ms 26 days ago 162nd Steffan153 🇫🇮 852 71 17ms 21 days ago 162nd GolfingSuccess 🇬🇷 852 71 18ms 19 days ago 166th Steffan153 🇫🇮 851 69 7ms 19 days ago 167th edsrzf 🇳🇿 851 83 1,450ms 26 days ago 167th Steffan153 🇫🇮 851 83 1,390ms 19 days ago 169th GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 169th edsrzf 🇳🇿 850 85 28ms 26 days ago 171st Steffan153 🇫🇮 849 62 56ms 19 days ago 172nd madex 🇩🇪 849 67 9ms 24 days ago 173rd GolfingSuccess 🇬🇷 849 69 455ms 14 Jan 2026 173rd error256 849 69 446ms 22 Mar 2026 173rd Steffan153 🇫🇮 849 69 453ms 19 days ago 173rd stefangimmillaro 849 69 437ms 18 days ago 177th AlephSquirrel 849 76 38ms 3 Dec 2025 177th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 177th duckyluuk 🇳🇱 849 76 120ms 24 days ago 177th emgordon154 849 76 310ms 16 days ago 181st error256 849 98 166ms 16 Jan 2026 181st edsrzf 🇳🇿 849 98 165ms 25 days ago 183rd Natanaelel 🇸🇪 848 38 41ms 8 May 2025 183rd ovs-code 🇩🇪 848 38 38ms 13 Jan 2026 183rd pardouin 🇫🇷 848 38 37ms 19 Feb 2026 183rd stefangimmillaro 848 38 42ms 16 days ago 183rd blaztoma 🇱🇹 848 38 79ms 6 days ago 188th ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 188th error256 848 91 293ms 14 Jan 2026 188th GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 188th Natanaelel 🇸🇪 848 91 311ms 26 days ago 188th edsrzf 🇳🇿 848 91 292ms 19 days ago 188th Steffan153 🇫🇮 848 91 285ms 19 days ago 194th edsrzf 🇳🇿 847 78 110ms 19 days ago 194th Steffan153 🇫🇮 847 78 102ms 19 days ago 194th snoozingnewt 🇨🇦 847 78 105ms 6 days ago 197th edsrzf 🇳🇿 847 94 6ms 25 days ago 197th albanian-laundromat 🇺🇸 847 94 6ms 25 days ago 197th sean-niemann 🇺🇸 847 94 6ms 20 days ago 197th Steffan153 🇫🇮 847 94 6ms 19 days ago 201st GolfingSuccess 🇬🇷 846 51 36ms 12 Jan 2026 201st sean-niemann 🇺🇸 846 51 34ms 15 Jan 2026 201st Steffan153 🇫🇮 846 51 34ms 19 Feb 2026 201st Natanaelel 🇸🇪 846 51 33ms 26 days ago 201st voytxt 🇨🇿 846 51 37ms 18 days ago 201st weliveinhell 🇭🇹 846 51 33ms 8 days ago 207th GolfingSuccess 🇬🇷 845 49 37ms 12 Jan 2026 207th albanian-laundromat 🇺🇸 845 49 34ms 9 Mar 2026 207th MeWhenI 🇻🇦 845 49 37ms 25 days ago 210th edsrzf 🇳🇿 844 48 818ms 26 days ago 211th DialFrost 🇸🇬 844 70 116ms 24 days ago 211th Steffan153 🇫🇮 844 70 2,152ms 19 days ago 213th error256 843 80 466ms 16 Jan 2026 214th error256 842 55 2,436ms 15 Feb 2026 215th Yax42 🇫🇷 842 75 4ms 26 days ago 216th edsrzf 🇳🇿 841 96 32ms 26 days ago 216th Steffan153 🇫🇮 841 96 30ms 21 days ago 218th GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 218th Steffan153 🇫🇮 841 117 329ms 19 days ago 220th kg583 🇺🇸 840 86 23ms 2 Oct 2025 221st stefangimmillaro 840 99 161ms 20 days ago 221st Steffan153 🇫🇮 840 99 189ms 19 days ago 223rd albanian-laundromat 🇺🇸 839 69 514ms 6 Dec 2025 224th GolfingSuccess 🇬🇷 839 70 15ms 19 days ago 224th rucin93 🇵🇱 839 70 15ms 14 days ago 226th error256 839 91 59ms 12 Jan 2026 226th Steffan153 🇫🇮 839 91 63ms 24 days ago 228th bitsandbeyond 🇳🇱 838 43 1,233ms 19 Mar 2026 229th lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 229th Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 229th addmai 838 77 20ms 24 Jul 2025 229th hiichbindermax 838 77 18ms 17 Aug 2025 229th 5cw 🇺🇸 838 77 20ms 22 Aug 2025 229th davecame 838 77 142ms 25 Sep 2025 229th SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 229th jtaxen 838 77 27ms 16 Oct 2025 229th albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 229th anter69 🇭🇺 838 77 147ms 4 Feb 2026 229th Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 229th KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 First Prev 161–240 of 626 Next Last