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 241st ovs-code 🇩🇪 825 71 139ms 7 days ago 242nd ovs-code 🇩🇪 825 76 4ms 10 May 2025 243rd Lv0Sys 🇵🇱 825 81 437ms 7 days ago 244th error256 825 91 62ms 12 Jan 2026 244th Steffan153 🇫🇮 825 91 57ms 7 days ago 246th roelderickx 825 104 61ms 15 hours ago 247th kg583 🇺🇸 824 109 42ms 3 Mar 2026 247th GolfingSuccess 🇬🇷 824 109 46ms 3 Mar 2026 247th edsrzf 🇳🇿 824 109 43ms 8 days ago 247th Steffan153 🇫🇮 824 109 43ms 47 hours ago 251st error256 823 59 68ms 13 Jan 2026 252nd jameswmccarty 823 78 19ms 29 Mar 2025 252nd solisolu 823 78 20ms 10 Nov 2025 254th stefangimmillaro 820 119 276ms 2 days ago 255th GolfingSuccess 🇬🇷 819 49 797ms 7 days ago 256th edsrzf 🇳🇿 819 92 18ms 7 days ago 256th Steffan153 🇫🇮 819 92 18ms 45 hours ago 256th emgordon154 819 92 18ms 23 hours ago 259th edsrzf 🇳🇿 816 64 66ms 40 hours ago 260th emplv 🇱🇻 816 67 6ms 5 days ago 261st rucin93 🇵🇱 816 72 9ms 26 days ago 261st edsrzf 🇳🇿 816 72 9ms 8 days ago 263rd Yax42 🇫🇷 816 92 60ms 9 days ago 264th emgordon154 815 59 8ms 23 hours ago 265th fantaize 815 102 146ms 23 days ago 265th madex 🇩🇪 815 102 156ms 6 days ago 267th edsrzf 🇳🇿 815 106 37ms 44 hours ago 268th plcc0 814 66 431ms 7 days ago 269th madex 🇩🇪 814 70 485ms 4 days ago 270th Natanaelel 🇸🇪 814 77 3ms 11 May 2025 271st CaedenHarper 🇨🇦 813 120 274ms 8 days ago 272nd MeWhenI 🇻🇦 812 48 1,252ms 2 days ago 273rd BREMAUCY 🇫🇷 812 79 18ms 9 days ago 273rd mishak-sys 812 79 411ms 7 days ago 273rd firegene 🇮🇪 812 79 19ms 2 days ago 273rd KatieLG 🇬🇧 812 79 19ms 45 hours ago 277th error256 811 88 3,067ms 14 Jan 2026 277th IanUtley 811 88 2,941ms 16 Jan 2026 279th sean-niemann 🇺🇸 810 62 167ms 19 May 2025 280th MeWhenI 🇻🇦 809 55 50ms 8 days ago 281st sean-niemann 🇺🇸 807 87 42ms 9 May 2025 282nd emgordon154 805 83 416ms 2 days ago 283rd MeWhenI 🇻🇦 804 50 7ms 7 days ago 284th DialFrost 🇸🇬 804 78 3ms 10 May 2025 284th madex 🇩🇪 804 78 3ms 6 days ago 286th error256 803 50 4,638ms 15 Jan 2026 287th Shanethegamer 🇺🇸 802 67 436ms 7 May 2025 287th emgordon154 802 67 396ms 9 May 2025 287th CaedenHarper 🇨🇦 802 67 513ms 12 days ago 287th fuzzylojik-golf 🇺🇸 802 67 490ms 9 days ago 287th HumanoidCPU 802 67 577ms 8 days ago 287th MeWhenI 🇻🇦 802 67 997ms 45 hours ago 293rd jusaka 802 80 18ms 7 hours ago 294th sean-niemann 🇺🇸 801 40 39ms 3 days ago 294th MeWhenI 🇻🇦 801 40 41ms 2 days ago 296th albanian-laundromat 800 108 83ms 24 days ago 297th albanian-laundromat 800 122 264ms 5 Jan 2026 298th stefangimmillaro 799 116 44ms 41 hours ago 299th Shanethegamer 🇺🇸 797 63 198ms 7 May 2025 300th albanian-laundromat 797 88 1,372ms 5 Jan 2026 301st Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 301st error256 795 54 26ms 2 May 2025 301st emgordon154 795 54 41ms 9 days ago 301st ComradeSquirrel 795 54 40ms 8 days ago 301st helbling 🇨🇭 795 54 40ms 8 days ago 306th albanian-laundromat 794 74 10ms 16 days ago 307th madex 🇩🇪 792 58 2,632ms 6 days ago 308th Aquateraneal 🇺🇸 792 81 19ms 6 days ago 308th luuumine 🇫🇷 792 81 16ms 6 days ago 310th albanian-laundromat 792 117 43ms 22 days ago 311th lifthrasiir 🇰🇷 790 68 559ms 11 Dec 2024 312th albanian-laundromat 789 83 9ms 26 Jan 2026 313th AdrienHache 🇫🇷 788 44 53ms 4 Feb 2026 314th albanian-laundromat 788 76 18ms 3 Mar 2026 315th albanian-laundromat 788 207 1,463ms 6 Jan 2026 316th CaedenHarper 🇨🇦 787 51 960ms 8 days ago 317th madex 🇩🇪 787 124 272ms 5 days ago 318th bricknellj 783 82 17ms 30 Jan 2025 318th dokutan 783 82 17ms 15 Aug 2025 320th GolfingSuccess 🇬🇷 783 83 114ms 12 Jan 2026 First Prev 241–320 of 486 Next Last