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 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 Chars Time Submitted 321st emgordon154 773 113 96ms 12 days ago 322nd CLOStrophobic 🇮🇹 772 108 47ms 17 Feb 2025 323rd canissimia 🇦🇶 772 145 14ms 17 days ago 324th CaedenHarper 🇨🇦 771 56 13ms 20 days ago 324th MeWhenI 🇻🇦 771 56 12ms 19 days ago 324th madex 🇩🇪 771 56 14ms 18 days ago 324th edsrzf 🇳🇿 771 56 26ms 13 days ago 324th stefangimmillaro 771 56 13ms 10 days ago 329th error256 771 67 137ms 30 Jan 2026 330th Alex-x90 🇺🇸 770 82 4ms 2 days ago 331st madex 🇩🇪 769 70 485ms 16 days ago 332nd Shanethegamer 🇺🇸 767 42 41ms 13 Dec 2024 332nd anter69 🇭🇺 767 42 193ms 4 Feb 2026 332nd madex 🇩🇪 767 42 40ms 18 days ago 332nd GolfingSuccess 🇬🇷 767 42 192ms 13 days ago 336th albanian-laundromat 🇺🇸 767 47 1,130ms 5 Jan 2026 337th albanian-laundromat 🇺🇸 767 192 201ms 17 days ago 338th CaedenHarper 🇨🇦 765 96 379ms 20 days ago 339th albanian-laundromat 🇺🇸 764 53 901ms 6 Dec 2025 340th scpchicken 🇵🇼 762 33 36ms 9 days ago 341st albanian-laundromat 🇺🇸 762 265 68ms 8 Dec 2025 342nd MeWhenI 🇻🇦 761 286 211ms 19 days ago 343rd lukegustafson 🇺🇸 759 74 194ms 9 Mar 2026 344th DialFrost 🇸🇬 758 97 403ms 14 days ago 344th Jacob385 758 97 393ms 40 hours ago 346th 4atj 755 36 228ms 21 May 2025 347th Shanethegamer 🇺🇸 754 52 1,314ms 13 Dec 2024 348th Steffan153 🇫🇮 753 114 54ms 13 days ago 349th Shanethegamer 🇺🇸 752 67 408ms 7 May 2025 349th CaedenHarper 🇨🇦 752 67 565ms 23 days ago 349th fuzzylojik-golf 🇻🇦 752 67 481ms 21 days ago 349th MeWhenI 🇻🇦 752 67 1,038ms 13 days ago 353rd Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 354th Lv0Sys 🇵🇱 749 43 38ms 19 days ago 355th Natanaelel 🇸🇪 749 75 20ms 11 May 2025 355th commandz0 🇺🇸 749 75 1,254ms 27 Aug 2025 355th GolfingSuccess 🇬🇷 749 75 18ms 11 Jan 2026 355th madex 🇩🇪 749 75 26ms 26 days ago 355th CaedenHarper 🇨🇦 749 75 158ms 23 days ago 355th edsrzf 🇳🇿 749 75 18ms 20 days ago 355th zgialor-lab 749 75 28ms 20 days ago 355th DialFrost 🇸🇬 749 75 28ms 16 days ago 355th sean-niemann 🇺🇸 749 75 181ms 15 days ago 355th stefangimmillaro 749 75 26ms 10 days ago 355th FortuiteMan 🇫🇷 749 75 23ms 5 days ago 355th jusaka 749 75 19ms 3 days ago 367th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 368th Shanethegamer 🇺🇸 742 63 180ms 7 May 2025 369th Shanethegamer 🇺🇸 742 99 352ms 24 Sep 2025 370th albanian-laundromat 🇺🇸 742 108 31ms 5 Jan 2026 371st Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 372nd AlephSquirrel 739 76 38ms 3 Dec 2025 372nd MeWhenI 🇻🇦 739 76 605ms 16 Mar 2026 372nd duckyluuk 🇳🇱 739 76 120ms 19 days ago 375th albanian-laundromat 🇺🇸 736 97 46ms 6 Dec 2025 376th h3ra993huskp 🇯🇵 735 100 392ms 16 days ago 376th kmathis22 735 100 403ms 14 days ago 378th Natanaelel 🇸🇪 734 37 10ms 11 May 2025 379th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 380th aksyristos 731 59 25ms 15 days ago 380th acollett89 731 59 24ms 15 days ago 382nd Shanethegamer 🇺🇸 729 77 18ms 13 Dec 2024 382nd addmai 729 77 20ms 24 Jul 2025 382nd hiichbindermax 729 77 18ms 17 Aug 2025 382nd 5cw 🇺🇸 729 77 20ms 22 Aug 2025 382nd davecame 729 77 142ms 25 Sep 2025 382nd SirBogman 🇺🇸 729 77 244ms 13 Oct 2025 382nd jtaxen 729 77 27ms 16 Oct 2025 382nd Matter1024 🇮🇳 729 77 19ms 12 Feb 2026 382nd KasperKivimaeki 🇫🇮 729 77 589ms 16 Mar 2026 382nd StefanHabel 🇨🇦 729 77 606ms 21 days ago 382nd ahmetdemirag 🇨🇾 729 77 18ms 21 days ago 382nd tomh1012 729 77 19ms 21 days ago 382nd qpwoeirut 729 77 19ms 20 days ago 382nd btjones0 729 77 18ms 20 days ago 382nd ComradeSquirrel 729 77 18ms 20 days ago 382nd bzijlema 🇳🇱 729 77 19ms 20 days ago 382nd Lv0Sys 🇵🇱 729 77 20ms 19 days ago 382nd LostSyntax21 🇬🇧 729 77 18ms 16 days ago 382nd scpchicken 🇵🇼 729 77 18ms 13 days ago First Prev 321–400 of 579 Next Last