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 400th XenThe 🇬🇧 693 62 11ms 15 Jul 2025 400th JOrE20 693 62 29ms 27 Feb 2026 400th Protothor 693 62 12ms 5 days ago 400th madeforlosers 693 62 35ms 25 hours ago 405th madex 🇩🇪 692 39 16ms 4 days ago 406th CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 407th albanian-laundromat 685 75 108ms 5 Jan 2026 408th albanian-laundromat 684 19 4ms 13 Feb 2026 409th albanian-laundromat 684 95 114ms 6 Jan 2026 410th KatieLG 🇬🇧 682 47 40ms 41 hours ago 411th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 412th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 413th AlephSquirrel 671 107 20ms 14 May 2025 414th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 415th CaedenHarper 🇨🇦 668 87 430ms 8 days ago 416th madex 🇩🇪 662 101 141ms 5 days ago 417th KatieLG 🇬🇧 661 65 11ms 41 hours ago 418th madex 🇩🇪 661 79 29ms 5 days ago 419th KatieLG 🇬🇧 655 82 686ms 41 hours ago 420th albanian-laundromat 653 80 28ms 8 days ago 421st sean-niemann 🇺🇸 652 90 7ms 10 May 2025 422nd madex 🇩🇪 649 121 8ms 4 days ago 423rd Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 424th JOrE20 642 100 42ms 15 Dec 2025 425th Yax42 🇫🇷 632 68 12ms 9 days ago 426th madex 🇩🇪 628 87 12ms 6 days ago 427th GolfingSuccess 🇬🇷 626 137 94ms 7 days ago 428th HumanoidCPU 625 133 162ms 8 days ago 429th Shanethegamer 🇺🇸 623 68 257ms 13 Dec 2024 430th IISResetMe 618 58 308ms 6 days ago 431st Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 432nd UnderKoen 🇳🇱 617 139 1,178ms 8 days ago 433rd Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 434th Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 435th brian124634 609 103 4ms 7 hours ago 436th madex 🇩🇪 605 99 19ms 4 days ago 437th kasarino 603 104 4ms 8 days ago 438th tomh1012 599 97 378ms 9 days ago 439th albanian-laundromat 598 98 135ms 23 Feb 2026 440th janAkali 🇷🇺 597 99 401ms 36 hours ago 441st michelebastione 🇮🇹 593 98 454ms 3 days ago 442nd Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 443rd madex 🇩🇪 590 119 1,351ms 4 days ago 444th Solathian 587 46 98ms 7 days ago 445th jusaka 586 142 156ms 5 mins ago 446th retrohun 578 111 41ms 9 days ago 447th albanian-laundromat 565 75 238ms 2 Mar 2026 448th madex 🇩🇪 564 129 366ms 6 days ago 449th prestosilver 🇺🇸 563 105 408ms 29 hours ago 450th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 451st JDiLenarda 🇫🇷 536 131 1,330ms 8 days ago 452nd vang1ong7ang 517 161 171ms 3 hours ago 453rd Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 454th madex 🇩🇪 514 100 112ms 4 days ago 455th AstroOrbis 509 126 23ms 12 Aug 2025 456th madex 🇩🇪 487 53 952ms 6 days ago 457th HumanoidCPU 484 120 401ms 3 days ago 458th Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 459th madex 🇩🇪 471 170 36ms 4 days ago 460th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 461st Msleizak 🇫🇷 427 84 302ms 3 days ago 462nd madex 🇩🇪 416 78 91ms 5 days ago 463rd muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 464th darrenks 🇺🇸 0 6 50ms 9 days ago 464th 2bular 0 6 45ms 8 days ago 464th Natanaelel 🇸🇪 0 6 48ms 8 days ago 464th plcc0 0 6 48ms 8 days ago 468th kg583 🇺🇸 0 10 927ms 8 May 2025 469th namelessiw 0 14 335ms 25 Oct 2025 469th themoonisacheese 0 14 2,448ms 29 hours ago 471st AlephSquirrel 0 31 8ms 3 Dec 2025 471st ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 473rd AlephSquirrel 0 42 5ms 3 Dec 2025 473rd ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 475th Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 476th ovs-code 🇩🇪 0 53 125ms 30 May 2025 477th madex 🇩🇪 0 59 1,185ms 6 days ago 478th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 479th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 480th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 First Prev 401–480 of 486 Next Last