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 321st Yax42 🇫🇷 781 93 392ms 7 days ago 321st MeWhenI 🇻🇦 781 93 386ms 29 hours ago 323rd emgordon154 779 50 1,258ms 8 days ago 323rd edsrzf 🇳🇿 779 50 1,364ms 6 days ago 323rd madex 🇩🇪 779 50 1,295ms 5 days ago 326th kg583 🇺🇸 779 106 38ms 9 May 2025 327th albanian-laundromat 778 69 380ms 22 Feb 2026 328th albanian-laundromat 778 76 188ms 23 days ago 328th MeWhenI 🇻🇦 778 76 188ms 6 days ago 330th albanian-laundromat 777 85 98ms 6 Dec 2025 331st albanian-laundromat 773 75 455ms 6 Jan 2026 332nd msbranicky 772 83 18ms 4 days ago 333rd canissimia 🇦🇶 772 145 14ms 4 days ago 334th emgordon154 768 185 1,780ms 6 days ago 335th error256 767 67 111ms 30 Jan 2026 336th albanian-laundromat 767 77 412ms 6 Dec 2025 337th albanian-laundromat 767 192 201ms 4 days ago 338th CLOStrophobic 🇮🇹 765 108 47ms 17 Feb 2025 339th emgordon154 764 63 6ms 2 days ago 340th solisolu 763 82 4ms 6 days ago 341st Shanethegamer 🇺🇸 762 42 41ms 13 Dec 2024 341st anter69 🇭🇺 762 42 193ms 4 Feb 2026 341st madex 🇩🇪 762 42 41ms 5 days ago 341st GolfingSuccess 🇬🇷 762 42 192ms 8 hours ago 345th albanian-laundromat 762 265 68ms 8 Dec 2025 346th voytxt 🇨🇿 761 61 28ms 1 Jan 2026 346th albanian-laundromat 761 61 13ms 4 Mar 2026 348th MeWhenI 🇻🇦 761 286 231ms 6 days ago 349th albanian-laundromat 758 53 975ms 6 Dec 2025 350th CaedenHarper 🇨🇦 756 96 416ms 7 days ago 351st emgordon154 751 115 80ms 5 days ago 352nd 4atj 750 36 230ms 21 May 2025 353rd Shanethegamer 🇺🇸 749 52 1,314ms 13 Dec 2024 354th Andrey-Plotnikov 749 62 36ms 12 Jan 2025 354th XenThe 🇬🇧 749 62 11ms 15 Jul 2025 354th JOrE20 749 62 29ms 27 Feb 2026 354th Protothor 749 62 12ms 4 days ago 358th DialFrost 🇸🇬 749 97 1,249ms 37 hours ago 359th dokutan 746 72 525ms 15 Aug 2025 360th madex 🇩🇪 745 50 896ms 5 days ago 361st Lv0Sys 🇵🇱 744 43 38ms 5 days ago 362nd snyderek 🇺🇸 743 101 424ms 15 hours ago 363rd Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 364th albanian-laundromat 742 108 31ms 5 Jan 2026 365th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 366th emgordon154 736 85 4ms 24 hours ago 367th Shanethegamer 🇺🇸 734 99 352ms 24 Sep 2025 368th Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 369th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 370th emgordon154 729 103 63ms 24 hours ago 371st emgordon154 728 44 41ms 8 days ago 372nd Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 373rd h3ra993huskp 🇯🇵 726 100 392ms 3 days ago 373rd kmathis22 726 100 403ms 38 hours ago 375th albanian-laundromat 724 97 44ms 6 Dec 2025 376th plcc0 722 18 9ms 3 days ago 377th roelderickx 722 130 54ms 6 hours ago 378th MeWhenI 🇻🇦 719 87 4ms 12 hours ago 379th rucin93 🇵🇱 719 101 373ms 27 days ago 380th madex 🇩🇪 716 75 439ms 5 days ago 381st MeWhenI 🇻🇦 716 81 428ms 29 hours ago 382nd KatieLG 🇬🇧 714 65 11ms 12 hours ago 383rd Andriamanitra 🇫🇮 711 45 37ms 7 days ago 384th edsrzf 🇳🇿 711 94 459ms 20 May 2025 385th elgan65536 🇺🇸 708 117 156ms 2 days ago 386th AlephSquirrel 707 76 445ms 3 Dec 2025 387th emgordon154 706 231 1,484ms 4 days ago 388th MeWhenI 🇻🇦 705 33 28ms 6 days ago 389th Jacob385 705 103 386ms 3 days ago 390th Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 391st madex 🇩🇪 703 84 359ms 3 days ago 392nd madex 🇩🇪 703 94 99ms 3 days ago 393rd Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 394th Matter1024 🇮🇳 696 46 38ms 8 days ago 395th aadenboy 🇺🇸 695 81 5ms 45 hours ago 396th madex 🇩🇪 692 39 16ms 3 days ago 397th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 398th albanian-laundromat 685 75 108ms 5 Jan 2026 399th GolfingSuccess 🇬🇷 685 137 94ms 6 days ago 400th albanian-laundromat 684 19 4ms 13 Feb 2026 First Prev 321–400 of 474 Next Last