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 401st albanian-laundromat 684 95 114ms 6 Jan 2026 402nd Yax42 🇫🇷 683 68 12ms 7 days ago 403rd KatieLG 🇬🇧 681 47 40ms 6 hours ago 404th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 405th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 406th UnderKoen 🇳🇱 675 139 1,178ms 6 days ago 407th AlephSquirrel 671 107 20ms 14 May 2025 408th CaedenHarper 🇨🇦 666 87 430ms 7 days ago 409th Shanethegamer 🇺🇸 666 124 147ms 3 Jun 2025 410th madex 🇩🇪 662 101 141ms 3 days ago 411th madex 🇩🇪 661 79 29ms 3 days ago 412th KatieLG 🇬🇧 655 82 686ms 6 hours ago 413th albanian-laundromat 653 80 28ms 7 days ago 414th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 415th madex 🇩🇪 649 121 8ms 3 days ago 416th Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 417th IISResetMe 643 58 308ms 5 days ago 418th JOrE20 641 100 42ms 15 Dec 2025 419th madex 🇩🇪 628 87 12ms 4 days ago 420th Shanethegamer 🇺🇸 623 68 257ms 13 Dec 2024 421st HumanoidCPU 621 133 162ms 7 days ago 422nd Shanethegamer 🇺🇸 617 94 383ms 13 Dec 2024 423rd Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 424th Shanethegamer 🇺🇸 612 96 427ms 3 Jun 2025 425th madex 🇩🇪 605 99 19ms 3 days ago 426th kasarino 602 104 4ms 6 days ago 427th tomh1012 598 97 391ms 7 days ago 428th albanian-laundromat 598 98 135ms 23 Feb 2026 429th janAkali 🇷🇺 593 99 401ms 47 mins ago 430th Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 431st michelebastione 🇮🇹 592 98 454ms 37 hours ago 432nd madex 🇩🇪 590 119 1,351ms 3 days ago 433rd Solathian 587 46 98ms 5 days ago 434th retrohun 577 111 41ms 7 days ago 435th albanian-laundromat 565 75 238ms 2 Mar 2026 436th madex 🇩🇪 563 129 366ms 4 days ago 437th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 438th JDiLenarda 🇫🇷 536 131 1,330ms 6 days ago 439th Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 440th madex 🇩🇪 514 100 112ms 3 days ago 441st AstroOrbis 509 126 23ms 12 Aug 2025 442nd madex 🇩🇪 487 53 952ms 4 days ago 443rd HumanoidCPU 483 120 401ms 44 hours ago 444th Shanethegamer 🇺🇸 482 85 6ms 13 Dec 2024 445th madex 🇩🇪 471 170 36ms 3 days ago 446th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 447th Msleizak 🇫🇷 444 84 302ms 41 hours ago 448th madex 🇩🇪 416 78 91ms 3 days ago 449th muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 450th darrenks 🇺🇸 0 6 50ms 7 days ago 450th 2bular 0 6 45ms 7 days ago 450th Natanaelel 🇸🇪 0 6 48ms 7 days ago 450th plcc0 0 6 48ms 6 days ago 454th kg583 🇺🇸 0 10 927ms 8 May 2025 455th namelessiw 0 14 335ms 25 Oct 2025 456th AlephSquirrel 0 31 8ms 3 Dec 2025 456th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 458th AlephSquirrel 0 42 5ms 3 Dec 2025 458th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 460th Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 461st ovs-code 🇩🇪 0 53 125ms 30 May 2025 462nd madex 🇩🇪 0 59 1,185ms 4 days ago 463rd GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 464th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 465th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 465th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 467th KatieLG 🇬🇧 0 81 67ms 2 days ago 468th dokutan 0 90 65ms 8 Feb 2026 469th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 470th btjones0 0 126 168ms 7 days ago 471st edsrzf 🇳🇿 0 136 4,806ms 19 May 2025 First Prev 401–471 of 471
