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 319th madex 🇩🇪 779 50 1,295ms 5 days ago 322nd kg583 🇺🇸 779 106 38ms 9 May 2025 323rd albanian-laundromat 778 69 380ms 22 Feb 2026 324th albanian-laundromat 778 76 188ms 23 days ago 324th MeWhenI 🇻🇦 778 76 188ms 6 days ago 326th albanian-laundromat 777 85 98ms 6 Dec 2025 327th albanian-laundromat 775 75 455ms 6 Jan 2026 328th msbranicky 772 83 18ms 5 days ago 329th canissimia 🇦🇶 772 145 14ms 5 days ago 330th emgordon154 768 185 1,780ms 6 days ago 331st CaedenHarper 🇨🇦 767 56 12ms 7 days ago 331st MeWhenI 🇻🇦 767 56 12ms 6 days ago 331st madex 🇩🇪 767 56 13ms 5 days ago 331st edsrzf 🇳🇿 767 56 25ms 12 hours 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 albanian-laundromat 763 47 1,193ms 5 Jan 2026 341st solisolu 763 82 4ms 6 days ago 342nd Shanethegamer 🇺🇸 762 42 41ms 13 Dec 2024 342nd anter69 🇭🇺 762 42 193ms 4 Feb 2026 342nd madex 🇩🇪 762 42 41ms 5 days ago 342nd GolfingSuccess 🇬🇷 762 42 192ms 12 hours ago 346th albanian-laundromat 762 265 68ms 8 Dec 2025 347th MeWhenI 🇻🇦 761 286 231ms 6 days ago 348th albanian-laundromat 758 53 975ms 6 Dec 2025 349th CaedenHarper 🇨🇦 756 96 379ms 7 days ago 350th emgordon154 751 115 80ms 5 days ago 351st 4atj 750 36 230ms 21 May 2025 352nd Shanethegamer 🇺🇸 749 52 1,314ms 13 Dec 2024 353rd DialFrost 🇸🇬 749 97 1,249ms 42 hours ago 354th dokutan 746 72 525ms 15 Aug 2025 355th Lv0Sys 🇵🇱 744 43 38ms 6 days ago 356th snyderek 🇺🇸 743 101 424ms 19 hours ago 357th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 358th albanian-laundromat 742 108 31ms 5 Jan 2026 359th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 360th emgordon154 736 85 4ms 28 hours ago 361st Shanethegamer 🇺🇸 734 99 352ms 24 Sep 2025 362nd Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 363rd Natanaelel 🇸🇪 729 37 10ms 11 May 2025 364th emgordon154 729 103 63ms 28 hours ago 365th emgordon154 728 44 41ms 8 days ago 366th aksyristos 728 59 12ms 2 days ago 366th acollett89 728 59 12ms 2 days ago 368th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 369th h3ra993huskp 🇯🇵 726 100 392ms 3 days ago 369th kmathis22 726 100 403ms 42 hours ago 371st albanian-laundromat 724 97 44ms 6 Dec 2025 372nd plcc0 722 18 9ms 3 days ago 373rd roelderickx 722 130 54ms 11 hours ago 374th MeWhenI 🇻🇦 719 87 4ms 17 hours ago 375th rucin93 🇵🇱 719 101 373ms 27 days ago 376th MeWhenI 🇻🇦 718 81 428ms 34 hours ago 377th madex 🇩🇪 717 50 896ms 5 days ago 378th madex 🇩🇪 716 75 439ms 5 days ago 379th Andriamanitra 🇫🇮 711 45 37ms 7 days ago 380th edsrzf 🇳🇿 711 94 459ms 20 May 2025 381st elgan65536 🇺🇸 708 117 156ms 2 days ago 382nd AlephSquirrel 707 76 445ms 3 Dec 2025 383rd emgordon154 706 231 1,484ms 4 days ago 384th MeWhenI 🇻🇦 705 33 28ms 6 days ago 385th Jacob385 705 103 386ms 3 days ago 386th albanian-laundromat 704 61 13ms 4 Mar 2026 387th Shanethegamer 🇺🇸 703 80 5ms 3 Jun 2025 388th madex 🇩🇪 703 84 359ms 3 days ago 389th madex 🇩🇪 703 94 99ms 3 days ago 390th Shanethegamer 🇺🇸 702 139 309ms 13 Dec 2024 391st Matter1024 🇮🇳 696 46 38ms 8 days ago 392nd aadenboy 🇺🇸 695 81 5ms 2 days ago 393rd Andrey-Plotnikov 693 62 36ms 12 Jan 2025 393rd XenThe 🇬🇧 693 62 11ms 15 Jul 2025 393rd JOrE20 693 62 29ms 27 Feb 2026 393rd Protothor 693 62 12ms 4 days ago 393rd madeforlosers 693 62 32ms 41 mins ago 398th madex 🇩🇪 692 39 16ms 3 days ago 399th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 400th albanian-laundromat 685 75 108ms 5 Jan 2026 First Prev 321–400 of 477 Next Last