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 321st GolfingSuccess 🇬🇷 790 83 114ms 12 Jan 2026 322nd albanian-laundromat 789 83 9ms 26 Jan 2026 323rd AdrienHache 🇫🇷 788 44 53ms 4 Feb 2026 324th albanian-laundromat 788 76 18ms 3 Mar 2026 325th albanian-laundromat 788 207 1,463ms 6 Jan 2026 326th CaedenHarper 🇨🇦 787 51 960ms 10 days ago 327th madex 🇩🇪 787 124 272ms 6 days ago 328th bricknellj 783 82 17ms 30 Jan 2025 328th dokutan 783 82 17ms 15 Aug 2025 330th Yax42 🇫🇷 783 93 392ms 10 days ago 330th MeWhenI 🇻🇦 783 93 386ms 4 days ago 332nd aksyristos 782 41 104ms 16 days ago 332nd emgordon154 782 41 41ms 28 hours ago 334th DialFrost 🇸🇬 782 55 39ms 8 days ago 335th CaedenHarper 🇨🇦 781 22 96ms 8 days ago 336th albanian-laundromat 780 69 380ms 22 Feb 2026 337th edsrzf 🇳🇿 779 50 1,364ms 9 days ago 337th madex 🇩🇪 779 50 1,295ms 8 days ago 339th kg583 🇺🇸 779 106 38ms 9 May 2025 340th albanian-laundromat 778 76 188ms 26 days ago 340th MeWhenI 🇻🇦 778 76 188ms 9 days ago 342nd albanian-laundromat 777 85 98ms 6 Dec 2025 343rd albanian-laundromat 775 75 455ms 6 Jan 2026 344th msbranicky 774 83 18ms 7 days ago 345th canissimia 🇦🇶 772 145 14ms 7 days ago 346th emgordon154 771 158 1,738ms 2 days ago 347th CaedenHarper 🇨🇦 768 56 12ms 10 days ago 347th MeWhenI 🇻🇦 768 56 12ms 9 days ago 347th madex 🇩🇪 768 56 13ms 8 days ago 347th edsrzf 🇳🇿 768 56 25ms 3 days ago 347th stefangimmillaro 768 56 12ms 4 hours ago 352nd error256 767 67 111ms 30 Jan 2026 353rd albanian-laundromat 767 77 412ms 6 Dec 2025 354th albanian-laundromat 767 192 201ms 7 days ago 355th solisolu 765 82 4ms 8 days ago 356th CLOStrophobic 🇮🇹 765 108 47ms 17 Feb 2025 357th emgordon154 764 113 119ms 2 days ago 358th Shanethegamer 🇺🇸 763 42 41ms 13 Dec 2024 358th anter69 🇭🇺 763 42 193ms 4 Feb 2026 358th madex 🇩🇪 763 42 41ms 8 days ago 358th GolfingSuccess 🇬🇷 763 42 192ms 3 days ago 362nd albanian-laundromat 763 47 1,193ms 5 Jan 2026 363rd albanian-laundromat 762 265 68ms 8 Dec 2025 364th MeWhenI 🇻🇦 761 286 231ms 9 days ago 365th albanian-laundromat 758 53 975ms 6 Dec 2025 366th CaedenHarper 🇨🇦 758 96 379ms 10 days ago 367th Steffan153 🇫🇮 753 114 53ms 3 days ago 368th DialFrost 🇸🇬 751 97 1,249ms 4 days ago 369th 4atj 750 36 230ms 21 May 2025 370th Shanethegamer 🇺🇸 749 52 1,314ms 13 Dec 2024 371st dokutan 747 72 525ms 15 Aug 2025 372nd Lv0Sys 🇵🇱 745 43 38ms 8 days ago 373rd snyderek 🇺🇸 743 101 424ms 3 days ago 374th Shanethegamer 🇺🇸 742 89 107ms 13 Dec 2024 375th albanian-laundromat 742 108 31ms 5 Jan 2026 376th snoozingnewt 🇨🇦 737 89 121ms 20 hours ago 377th GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 378th Shanethegamer 🇺🇸 736 99 352ms 24 Sep 2025 379th Shanethegamer 🇺🇸 730 81 348ms 3 Jun 2025 380th Natanaelel 🇸🇪 729 37 10ms 11 May 2025 381st aksyristos 729 59 12ms 5 days ago 381st acollett89 729 59 12ms 5 days ago 383rd h3ra993huskp 🇯🇵 728 100 392ms 6 days ago 383rd kmathis22 728 100 403ms 4 days ago 385th Shanethegamer 🇺🇸 727 92 462ms 20 May 2025 386th albanian-laundromat 724 97 44ms 6 Dec 2025 387th plcc0 722 18 9ms 6 days ago 388th MeWhenI 🇻🇦 721 87 4ms 3 days ago 389th rucin93 🇵🇱 721 101 373ms 5 Mar 2026 390th MeWhenI 🇻🇦 718 81 428ms 4 days ago 391st madex 🇩🇪 717 50 896ms 8 days ago 392nd madex 🇩🇪 717 75 439ms 8 days ago 393rd Andriamanitra 🇫🇮 712 45 37ms 10 days ago 394th edsrzf 🇳🇿 711 94 459ms 20 May 2025 395th elgan65536 🇺🇸 711 117 156ms 5 days ago 396th AlephSquirrel 708 76 445ms 3 Dec 2025 397th Jacob385 707 103 386ms 6 days ago 398th emgordon154 706 231 1,484ms 7 days ago 399th MeWhenI 🇻🇦 705 33 28ms 9 days ago 400th albanian-laundromat 705 61 13ms 4 Mar 2026 First Prev 321–400 of 492 Next Last