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 🇺🇸 762 265 68ms 8 Dec 2025 402nd MeWhenI 🇻🇦 761 286 211ms 19 days ago 403rd DialFrost 🇸🇬 758 97 403ms 14 days ago 403rd Jacob385 758 97 393ms 34 hours ago 405th 4atj 755 36 228ms 21 May 2025 406th Shanethegamer 🇺🇸 754 52 1,314ms 13 Dec 2024 407th Steffan153 🇫🇮 753 114 54ms 13 days ago 408th Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 409th Lv0Sys 🇵🇱 749 43 38ms 18 days ago 410th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 411th Shanethegamer 🇺🇸 742 99 352ms 24 Sep 2025 412th albanian-laundromat 🇺🇸 742 108 31ms 5 Jan 2026 413th Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 414th albanian-laundromat 🇺🇸 736 97 46ms 6 Dec 2025 415th h3ra993huskp 🇯🇵 735 100 392ms 16 days ago 415th kmathis22 735 100 403ms 14 days ago 417th Natanaelel 🇸🇪 734 37 10ms 11 May 2025 418th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 419th aksyristos 731 59 25ms 15 days ago 419th acollett89 731 59 24ms 15 days ago 421st dokutan 728 101 361ms 3 days ago 422nd MeWhenI 🇻🇦 725 87 4ms 13 days ago 423rd plcc0 722 18 9ms 16 days ago 424th Matter1024 🇮🇳 722 83 163ms 8 days ago 425th madex 🇩🇪 721 50 896ms 18 days ago 426th MeWhenI 🇻🇦 721 81 426ms 14 days ago 427th madex 🇩🇪 719 75 465ms 18 days ago 428th edsrzf 🇳🇿 718 94 459ms 20 May 2025 429th Andriamanitra 🇫🇮 716 45 37ms 20 days ago 430th Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 431st madex 🇩🇪 711 94 99ms 16 days ago 432nd elgan65536 🇺🇸 711 117 156ms 15 days ago 433rd madex 🇩🇪 710 84 359ms 16 days ago 434th AlephSquirrel 709 76 427ms 3 Dec 2025 435th Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 436th albanian-laundromat 🇺🇸 707 61 13ms 4 Mar 2026 437th emgordon154 706 231 1,663ms 16 days ago 438th aadenboy 🇺🇸 703 81 5ms 14 days ago 439th Matter1024 🇮🇳 700 46 38ms 20 days ago 440th flekAI 700 77 548ms 41 hours ago 441st madex 🇩🇪 697 39 9ms 16 days ago 442nd Andrey-Plotnikov 695 62 39ms 12 Jan 2025 442nd XenThe 🇬🇧 695 62 12ms 15 Jul 2025 442nd JOrE20 695 62 31ms 27 Feb 2026 442nd Protothor 695 62 13ms 17 days ago 442nd madeforlosers 695 62 38ms 12 days ago 442nd dokutan 695 62 24ms 3 days ago 448th albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 449th CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 450th albanian-laundromat 🇺🇸 689 75 119ms 5 Jan 2026 451st dokutan 688 57 1,275ms 3 days ago 452nd dokutan 687 74 160ms 3 days ago 453rd KatieLG 🇬🇧 685 47 40ms 13 days ago 454th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 455th DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 455th retrohun 682 48 2,663ms 7 days ago 457th Arkadios200 682 98 111ms 4 days ago 458th Shanethegamer 🇺🇸 680 76 125ms 13 Dec 2024 459th Jonson26 674 109 350ms 3 days ago 460th CaedenHarper 🇨🇦 672 87 380ms 20 days ago 461st AlephSquirrel 671 107 23ms 14 May 2025 462nd Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 463rd madex 🇩🇪 668 101 141ms 16 days ago 464th KatieLG 🇬🇧 663 65 12ms 13 days ago 464th flekAI 663 65 12ms 40 hours ago 466th madex 🇩🇪 661 79 29ms 16 days ago 467th KatieLG 🇬🇧 657 82 424ms 13 days ago 468th madex 🇩🇪 654 121 8ms 16 days ago 469th albanian-laundromat 🇺🇸 653 80 28ms 20 days ago 470th flekAI 653 84 7ms 40 hours ago 471st Mikey-Beep 🇬🇧 651 99 25ms 5 days ago 472nd Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 473rd JOrE20 644 100 46ms 15 Dec 2025 473rd tails618 644 100 22ms 27 hours ago 475th Yax42 🇫🇷 634 68 13ms 20 days ago 476th madex 🇩🇪 631 87 14ms 18 days ago 477th Shanethegamer 🇺🇸 630 68 254ms 13 Dec 2024 478th GolfingSuccess 🇬🇷 626 137 91ms 19 days ago 479th HumanoidCPU 625 133 162ms 20 days ago 480th Shanethegamer 🇺🇸 622 94 371ms 13 Dec 2024 First Prev 401–480 of 578 Next Last