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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 201st madex 🇩🇪 845 67 9ms 27 Mar 2026 202nd Steffan153 🇫🇮 845 69 7ms 1 Apr 2026 203rd edsrzf 🇳🇿 845 83 1,489ms 25 Mar 2026 203rd Steffan153 🇫🇮 845 83 1,498ms 1 Apr 2026 205th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 205th error256 843 91 293ms 14 Jan 2026 205th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 205th Natanaelel 🇸🇪 843 91 311ms 24 Mar 2026 205th edsrzf 🇳🇿 843 91 292ms 1 Apr 2026 205th Steffan153 🇫🇮 843 91 285ms 1 Apr 2026 211th Steffan153 🇫🇮 842 62 56ms 1 Apr 2026 212th Yax42 🇫🇷 842 75 4ms 24 Mar 2026 213th edsrzf 🇳🇿 841 78 110ms 1 Apr 2026 213th Steffan153 🇫🇮 841 78 102ms 1 Apr 2026 213th snoozingnewt 🇨🇦 841 78 105ms 16 days ago 216th edsrzf 🇳🇿 840 48 862ms 25 Mar 2026 217th error256 840 80 466ms 16 Jan 2026 218th kg583 🇺🇸 840 86 23ms 2 Oct 2025 219th error256 839 55 2,608ms 15 Feb 2026 220th lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 220th Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 220th addmai 838 77 20ms 24 Jul 2025 220th hiichbindermax 838 77 18ms 17 Aug 2025 220th 5cw 🇺🇸 838 77 20ms 22 Aug 2025 220th davecame 838 77 142ms 25 Sep 2025 220th SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 220th jtaxen 838 77 27ms 16 Oct 2025 220th albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 220th anter69 🇭🇺 838 77 147ms 4 Feb 2026 220th Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 220th KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 220th StefanHabel 🇨🇦 838 77 606ms 24 Mar 2026 220th ahmetdemirag 🇨🇾 838 77 18ms 24 Mar 2026 220th tomh1012 838 77 19ms 24 Mar 2026 220th HumanoidCPU 838 77 246ms 24 Mar 2026 220th qpwoeirut 838 77 19ms 25 Mar 2026 220th btjones0 838 77 18ms 25 Mar 2026 220th ComradeSquirrel 838 77 18ms 25 Mar 2026 220th bzijlema 🇳🇱 838 77 19ms 25 Mar 2026 220th Lv0Sys 🇵🇱 838 77 20ms 26 Mar 2026 220th LostSyntax21 🇬🇧 838 77 18ms 29 Mar 2026 220th scpchicken 🇵🇼 838 77 18ms 1 Apr 2026 220th Andrey2001 838 77 19ms 1 Apr 2026 220th guilhem-roy 🇫🇷 838 77 17ms 1 Apr 2026 220th jameswmccarty 838 77 19ms 26 days ago 220th mantaslu 🇱🇹 838 77 18ms 26 days ago 220th snoozingnewt 🇨🇦 838 77 20ms 26 days ago 220th firegene 🇮🇪 838 77 18ms 26 days ago 220th Pyroan 838 77 19ms 23 days ago 220th retrohun 838 77 183ms 22 days ago 220th madeforlosers 838 77 19ms 22 days ago 220th klixel 🇨🇦 838 77 19ms 20 days ago 220th dokutan 838 77 18ms 18 days ago 220th FoxInTheClouds 838 77 19ms 14 days ago 220th jatloe 838 77 19ms 117 mins ago 256th GolfingSuccess 🇬🇷 838 117 330ms 12 Jan 2026 256th Steffan153 🇫🇮 838 117 329ms 31 Mar 2026 258th DialFrost 🇸🇬 837 70 141ms 26 Mar 2026 258th Steffan153 🇫🇮 837 70 2,394ms 1 Apr 2026 260th stefangimmillaro 837 99 161ms 31 Mar 2026 260th Steffan153 🇫🇮 837 99 182ms 1 Apr 2026 262nd error256 835 91 64ms 12 Jan 2026 262nd Steffan153 🇫🇮 835 91 60ms 26 Mar 2026 264th edsrzf 🇳🇿 835 96 32ms 24 Mar 2026 264th Steffan153 🇫🇮 835 96 30ms 30 Mar 2026 266th bitsandbeyond 🇳🇱 834 43 1,419ms 19 Mar 2026 267th Steffan153 🇫🇮 833 47 6ms 27 days ago 268th albanian-laundromat 🇺🇸 833 69 484ms 6 Dec 2025 269th GolfingSuccess 🇬🇷 833 70 15ms 1 Apr 2026 269th rucin93 🇵🇱 833 70 15ms 24 days ago 271st anter69 🇭🇺 832 47 1,398ms 4 Feb 2026 271st emgordon154 832 47 1,387ms 26 days ago 273rd Lv0Sys 🇵🇱 832 52 13ms 26 Mar 2026 274th ovs-code 🇩🇪 831 76 3ms 10 May 2025 275th MeWhenI 🇻🇦 831 80 113ms 31 Mar 2026 276th MeWhenI 🇻🇦 831 118 321ms 28 Mar 2026 277th GolfingSuccess 🇬🇷 830 86 2,109ms 9 Mar 2026 277th Steffan153 🇫🇮 830 86 2,054ms 1 Apr 2026 279th DialFrost 🇸🇬 830 96 6ms 15 days ago 279th emgordon154 830 96 6ms 5 days ago 281st edsrzf 🇳🇿 829 62 122ms 25 Mar 2026 282nd Lv0Sys 🇵🇱 829 81 437ms 26 Mar 2026 283rd edsrzf 🇳🇿 829 90 21ms 22 days ago 284th solisolu 828 78 41ms 10 Nov 2025 284th Alex-x90 🇺🇸 828 78 21ms 17 days ago 286th Yax42 🇫🇷 826 92 63ms 24 Mar 2026 287th edsrzf 🇳🇿 826 100 145ms 9 May 2025 288th ovs-code 🇩🇪 825 71 142ms 26 Mar 2026 289th albanian-laundromat 🇺🇸 825 72 423ms 43 hours ago 290th roelderickx 825 104 61ms 27 days ago 291st kg583 🇺🇸 824 109 45ms 3 Mar 2026 291st GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 291st edsrzf 🇳🇿 824 109 45ms 25 Mar 2026 291st Steffan153 🇫🇮 824 109 46ms 31 Mar 2026 295th stefangimmillaro 824 119 328ms 31 Mar 2026 296th GolfingSuccess 🇬🇷 823 49 879ms 26 Mar 2026 297th error256 823 59 68ms 13 Jan 2026 298th DialFrost 🇸🇬 823 71 442ms 15 days ago 299th madex 🇩🇪 821 70 485ms 28 Mar 2026 300th sean-niemann 🇺🇸 820 62 170ms 19 May 2025 First Prev 201–300 of 574 Next Last