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Gray Code Decoder in all languages in chars. 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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 Chars Time Submitted 321st kg583 🇺🇸 0 86 23ms 2 Oct 2025 321st GolfingSuccess 🇬🇷 0 86 2,109ms 22 days ago 323rd sean-niemann 🇺🇸 0 87 42ms 9 May 2025 323rd error256 0 87 2,931ms 14 Jan 2026 323rd IanUtley 0 87 2,957ms 16 Jan 2026 323rd CaedenHarper 🇨🇦 0 87 430ms 6 days ago 323rd madex 🇩🇪 0 87 12ms 4 days ago 328th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 328th albanian-laundromat 0 88 1,372ms 5 Jan 2026 330th Shanethegamer 🇺🇸 0 89 107ms 13 Dec 2024 330th GolfingSuccess 🇬🇷 0 89 56ms 12 Jan 2026 332nd sean-niemann 🇺🇸 0 90 7ms 10 May 2025 333rd ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 333rd error256 0 91 62ms 12 Jan 2026 333rd error256 0 91 293ms 14 Jan 2026 333rd GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 333rd Natanaelel 🇸🇪 0 91 311ms 6 days ago 333rd Steffan153 🇫🇮 0 91 57ms 4 days ago 339th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 339th Yax42 🇫🇷 0 92 60ms 6 days ago 339th edsrzf 🇳🇿 0 92 18ms 5 days ago 342nd Yax42 🇫🇷 0 93 392ms 6 days ago 342nd MeWhenI 🇻🇦 0 93 386ms 7 hours ago 344th Shanethegamer 🇺🇸 0 94 383ms 13 Dec 2024 344th edsrzf 🇳🇿 0 94 459ms 20 May 2025 344th edsrzf 🇳🇿 0 94 6ms 5 days ago 344th albanian-laundromat 0 94 6ms 5 days ago 344th madex 🇩🇪 0 94 99ms 2 days ago 344th sean-niemann 🇺🇸 0 94 6ms 27 hours ago 350th albanian-laundromat 0 95 114ms 6 Jan 2026 351st Shanethegamer 🇺🇸 0 96 427ms 3 Jun 2025 351st CaedenHarper 🇨🇦 0 96 416ms 6 days ago 351st edsrzf 🇳🇿 0 96 32ms 6 days ago 351st kumavale 0 96 160ms 5 days ago 351st Steffan153 🇫🇮 0 96 30ms 33 hours ago 356th albanian-laundromat 0 97 44ms 6 Dec 2025 356th tomh1012 0 97 391ms 7 days ago 356th DialFrost 🇸🇬 0 97 1,249ms 15 hours ago 356th emgordon154 0 97 460ms 86 mins ago 360th error256 0 98 155ms 16 Jan 2026 360th albanian-laundromat 0 98 135ms 23 Feb 2026 360th edsrzf 🇳🇿 0 98 157ms 5 days ago 360th michelebastione 🇮🇹 0 98 454ms 20 hours ago 364th Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 364th madex 🇩🇪 0 99 19ms 2 days ago 364th stefangimmillaro 0 99 150ms 7 hours ago 367th edsrzf 🇳🇿 0 100 145ms 9 May 2025 367th JOrE20 0 100 42ms 15 Dec 2025 367th madex 🇩🇪 0 100 112ms 2 days ago 367th h3ra993huskp 🇯🇵 0 100 392ms 2 days ago 367th kmathis22 0 100 403ms 15 hours ago 372nd rucin93 🇵🇱 0 101 373ms 26 days ago 372nd madex 🇩🇪 0 101 141ms 2 days ago 374th fantaize 0 102 146ms 20 days ago 374th madex 🇩🇪 0 102 156ms 4 days ago 376th Jacob385 0 103 386ms 2 days ago 376th emgordon154 0 103 63ms 88 mins ago 378th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 378th kasarino 0 104 4ms 5 days ago 380th kg583 🇺🇸 0 106 38ms 9 May 2025 381st Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 381st AlephSquirrel 0 107 20ms 14 May 2025 383rd CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 383rd edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 383rd albanian-laundromat 0 108 31ms 5 Jan 2026 383rd albanian-laundromat 0 108 83ms 21 days ago 387th kg583 🇺🇸 0 109 42ms 3 Mar 2026 387th GolfingSuccess 🇬🇷 0 109 46ms 27 days ago 387th edsrzf 🇳🇿 0 109 43ms 6 days ago 387th edsrzf 🇳🇿 0 109 35ms 5 days ago 391st retrohun 0 111 41ms 7 days ago 392nd GolfingSuccess 🇬🇷 0 112 44ms 24 Jan 2026 393rd Shanethegamer 🇺🇸 0 114 1,281ms 9 May 2025 393rd error256 0 114 513ms 29 Jan 2026 393rd edsrzf 🇳🇿 0 114 489ms 5 days ago 396th emgordon154 0 115 80ms 4 days ago 397th GolfingSuccess 🇬🇷 0 117 283ms 12 Jan 2026 397th albanian-laundromat 0 117 43ms 20 days ago 397th elgan65536 🇺🇸 0 117 156ms 39 hours ago 400th MeWhenI 🇻🇦 0 118 284ms 3 days ago First Prev 321–400 of 427 Next Last