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 Dragon Curve 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 Dragon Curve 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 MeWhenI 🇻🇦 772 56 12ms 26 Mar 2026 400th madex 🇩🇪 772 56 14ms 26 Mar 2026 400th edsrzf 🇳🇿 772 56 37ms 24 days ago 400th stefangimmillaro 772 56 13ms 21 days ago 405th CLOStrophobic 🇮🇹 772 108 47ms 17 Feb 2025 406th canissimia 🇦🇶 772 145 14ms 27 Mar 2026 407th error256 771 67 119ms 30 Jan 2026 408th scpchicken 🇵🇼 768 33 36ms 20 days ago 409th Shanethegamer 🇺🇸 767 42 41ms 13 Dec 2024 409th anter69 🇭🇺 767 42 195ms 4 Feb 2026 409th madex 🇩🇪 767 42 40ms 26 Mar 2026 409th GolfingSuccess 🇬🇷 767 42 189ms 24 days ago 413th albanian-laundromat 🇺🇸 767 47 1,083ms 5 Jan 2026 414th CaedenHarper 🇨🇦 765 96 465ms 24 Mar 2026 415th albanian-laundromat 🇺🇸 764 53 1,021ms 6 Dec 2025 416th Steffan153 🇫🇮 760 114 54ms 24 days ago 417th DialFrost 🇸🇬 758 97 578ms 25 days ago 417th Jacob385 758 97 429ms 12 days ago 419th 4atj 755 36 228ms 21 May 2025 420th Shanethegamer 🇺🇸 754 52 1,584ms 13 Dec 2024 421st Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 422nd Lv0Sys 🇵🇱 749 43 41ms 26 Mar 2026 423rd albanian-laundromat 🇺🇸 748 108 31ms 5 Jan 2026 424th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 425th albanian-laundromat 🇺🇸 744 97 46ms 6 Dec 2025 426th caleblin125 742 87 19ms 10 days ago 427th Shanethegamer 🇺🇸 742 99 551ms 24 Sep 2025 428th Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 429th h3ra993huskp 🇯🇵 735 100 436ms 27 days ago 429th kmathis22 735 100 637ms 25 days ago 431st Natanaelel 🇸🇪 734 37 10ms 11 May 2025 432nd aksyristos 733 59 19ms 26 days ago 432nd acollett89 733 59 15ms 26 days ago 434th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 435th dokutan 728 101 531ms 14 days ago 436th MeWhenI 🇻🇦 727 87 4ms 24 days ago 437th MeWhenI 🇻🇦 723 81 463ms 25 days ago 438th plcc0 722 18 9ms 27 days ago 439th Matter1024 🇮🇳 722 83 163ms 20 days ago 440th madex 🇩🇪 721 50 1,078ms 27 Mar 2026 441st madex 🇩🇪 720 75 465ms 27 Mar 2026 441st jusaka 720 75 460ms 9 days ago 443rd emgordon154 719 231 1,313ms 28 Mar 2026 444th edsrzf 🇳🇿 718 94 459ms 20 May 2025 445th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 446th Shanethegamer 🇺🇸 711 80 5ms 3 Jun 2025 447th madex 🇩🇪 711 94 109ms 27 days ago 448th elgan65536 🇺🇸 711 117 163ms 26 days ago 449th AlephSquirrel 710 76 427ms 3 Dec 2025 450th madex 🇩🇪 710 84 447ms 27 days ago 451st albanian-laundromat 🇺🇸 709 61 13ms 4 Mar 2026 451st gigaprofisi 🇺🇸 709 61 26ms 44 hours ago 453rd Shanethegamer 🇺🇸 708 139 328ms 13 Dec 2024 454th aadenboy 🇺🇸 703 81 5ms 26 days ago 455th Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 456th Andrey-Plotnikov 698 62 61ms 12 Jan 2025 456th XenThe 🇬🇧 698 62 12ms 15 Jul 2025 456th JOrE20 698 62 26ms 27 Feb 2026 456th Protothor 698 62 12ms 27 Mar 2026 456th madeforlosers 698 62 26ms 24 days ago 456th dokutan 698 62 29ms 14 days ago 456th scpchicken 🇵🇼 698 62 13ms 2 days ago 463rd madex 🇩🇪 697 39 9ms 27 days ago 464th albanian-laundromat 🇺🇸 695 95 114ms 6 Jan 2026 465th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 466th dokutan 691 74 167ms 14 days ago 467th albanian-laundromat 🇺🇸 689 75 115ms 5 Jan 2026 468th dokutan 688 57 1,372ms 14 days ago 469th zakariamouhid 687 63 12ms 11 days ago 470th scpchicken 🇵🇼 687 92 4ms 2 days ago 471st KatieLG 🇬🇧 685 47 46ms 24 days ago 472nd albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 473rd DialFrost 🇸🇬 682 48 54ms 16 Dec 2025 473rd retrohun 682 48 2,663ms 18 days ago 475th Arkadios200 682 98 116ms 16 days ago 476th Shanethegamer 🇺🇸 680 76 120ms 13 Dec 2024 477th AlephSquirrel 675 107 23ms 14 May 2025 478th Jonson26 674 109 528ms 15 days ago 479th CaedenHarper 🇨🇦 673 87 463ms 24 Mar 2026 480th Shanethegamer 🇺🇸 671 124 151ms 3 Jun 2025 First Prev 401–480 of 637 Next Last