Gray Code Encoder 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) Taxicab Numbers 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 Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic 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) Taxicab Numbers 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 Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 368th ComradeSquirrel 854 62 17ms 26 Mar 2026 368th duckyluuk 🇳🇱 854 62 15ms 26 Mar 2026 368th Aquateraneal 🇺🇸 854 62 20ms 26 Mar 2026 368th luuumine 🇫🇷 854 62 18ms 27 Mar 2026 368th solisolu 854 62 38ms 28 Mar 2026 368th LostSyntax21 🇬🇧 854 62 16ms 29 Mar 2026 368th davecame 854 62 25ms 30 Mar 2026 368th sisyphus-ppcg 🇦🇺 854 62 15ms 1 Apr 2026 368th tomh1012 854 62 16ms 1 Apr 2026 368th denkyuu1 854 62 16ms 1 Apr 2026 368th bizy-coder 854 62 16ms 2 Apr 2026 368th mantaslu 🇱🇹 854 62 16ms 3 Apr 2026 368th GrayJoKing 🇦🇺 854 62 14ms 27 days ago 368th Mikey-Beep 🇬🇧 854 62 22ms 23 days ago 368th klixel 🇨🇦 854 62 17ms 22 days ago 368th cros107 🇦🇺 854 62 16ms 22 days ago 368th Flekay 🇩🇪 854 62 16ms 18 days ago 368th Bmrl7 854 62 15ms 18 days ago 368th FoxInTheClouds 854 62 17ms 16 days ago 368th lelbal 854 62 15ms 16 days ago 368th celiendonze 🇨🇭 854 62 16ms 14 days ago 368th zgialor-lab 854 62 15ms 14 days ago 368th vang1ong7ang 🇦🇶 854 62 15ms 6 days ago 424th sean-niemann 🇺🇸 854 63 43ms 8 May 2025 424th albanian-laundromat 🇺🇸 854 63 44ms 14 Jan 2026 426th h3ra993huskp 🇯🇵 854 90 477ms 29 Mar 2026 427th Shanethegamer 🇺🇸 853 46 8ms 30 Apr 2025 427th rucin93 🇵🇱 853 46 8ms 11 May 2025 427th emplv 🇱🇻 853 46 9ms 28 Mar 2026 430th GolfingSuccess 🇬🇷 853 86 20ms 26 Mar 2026 430th Steffan153 🇫🇮 853 86 21ms 26 Mar 2026 430th dokutan 853 86 18ms 28 Mar 2026 433rd ovs-code 🇩🇪 852 102 311ms 13 Dec 2025 433rd edsrzf 🇳🇿 852 102 336ms 26 Mar 2026 433rd Steffan153 🇫🇮 852 102 338ms 26 Mar 2026 433rd JayXon 🇺🇸 852 102 344ms 17 days ago 437th GolfingSuccess 🇬🇷 850 59 17ms 8 May 2025 437th IanUtley 850 59 18ms 8 May 2025 437th Steffan153 🇫🇮 850 59 19ms 31 Mar 2026 440th DialFrost 🇸🇬 850 70 111ms 17 days ago 441st fuzzylojik-golf 🇺🇸 849 60 16ms 24 Mar 2026 442nd ovs-code 🇩🇪 846 50 521ms 23 Feb 2025 442nd edsrzf 🇳🇿 846 50 430ms 2 Apr 2026 444th ovs-code 🇩🇪 846 74 240ms 1 Apr 2026 445th Shanethegamer 🇺🇸 846 83 484ms 26 Nov 2024 446th kmathis22 845 91 415ms 30 Mar 2026 447th albanian-laundromat 🇺🇸 844 78 91ms 22 Mar 2026 448th GolfingSuccess 🇬🇷 844 103 318ms 14 Jan 2026 449th codereport 🇨🇦 843 33 39ms 2 days ago 450th Shanethegamer 🇺🇸 843 87 19ms 8 May 2025 451st JayXon 🇺🇸 843 118 10ms 17 days ago 452nd Matter1024 🇮🇳 842 81 47ms 14 Feb 2026 452nd albanian-laundromat 🇺🇸 842 81 47ms 21 Mar 2026 452nd stefangimmillaro 842 81 47ms 26 Mar 2026 452nd DialFrost 🇸🇬 842 81 57ms 17 days ago 452nd duckyluuk 🇳🇱 842 81 42ms 9 days ago 457th mishak-sys 841 63 19ms 26 Mar 2026 458th not-a-pokemon 841 74 15ms 25 Mar 2026 459th dokutan 840 37 45ms 20 days ago 460th edsrzf 🇳🇿 840 85 42ms 8 May 2025 460th kg583 🇺🇸 840 85 43ms 27 days ago 462nd edsrzf 🇳🇿 840 104 31ms 1 Apr 2026 463rd edsrzf 🇳🇿 838 90 16ms 6 days ago 464th MeWhenI 🇻🇦 836 62 94ms 26 Mar 2026 465th Matter1024 🇮🇳 836 84 523ms 19 hours ago 466th namelessiw 836 92 491ms 10 Oct 2025 467th michelebastione 🇮🇹 834 71 449ms 30 Mar 2026 468th kg583 🇺🇸 833 88 25ms 12 Feb 2026 469th ovs-code 🇩🇪 831 84 12ms 10 May 2025 470th Shanethegamer 🇺🇸 831 86 155ms 17 Dec 2024 470th elgan65536 🇺🇸 831 86 160ms 1 Mar 2026 470th CaedenHarper 🇨🇦 831 86 161ms 23 Mar 2026 473rd aksyristos 830 75 15ms 30 Mar 2026 474th GolfingSuccess 🇬🇷 830 86 42ms 7 May 2025 474th roelderickx 830 86 1,523ms 1 Apr 2026 476th snoozingnewt 🇨🇦 830 109 332ms 15 days ago 477th HumanoidCPU 829 51 517ms 24 Mar 2026 478th Steffan153 🇫🇮 829 91 15ms 16 days ago 479th albanian-laundromat 🇺🇸 827 55 39ms 22 Mar 2026 480th jameswmccarty 827 64 16ms 29 Mar 2025 480th guilhem-roy 🇫🇷 827 64 15ms 1 Apr 2026 480th firegene 🇮🇪 827 64 16ms 27 days ago 480th retrohun 827 64 23ms 24 days ago 480th tails618 827 64 15ms 18 days ago 480th OllieBoyne 🇬🇧 827 64 16ms 12 days ago 486th HumanoidCPU 827 85 419ms 27 Mar 2026 487th GolfingSuccess 🇬🇷 827 124 57ms 5 days ago 487th Steffan153 🇫🇮 827 124 56ms 5 days ago 489th JRaspass 🇬🇧 825 31 4ms 27 days ago 490th fuzzylojik-golf 🇺🇸 824 34 284ms 29 Mar 2026 490th DialFrost 🇸🇬 824 34 238ms 27 days ago 492nd dokutan 824 55 138ms 14 days ago 493rd Steffan153 🇫🇮 824 76 99ms 2 Apr 2026 494th GolfingSuccess 🇬🇷 822 83 33ms 25 Mar 2026 494th MeWhenI 🇻🇦 822 83 242ms 25 Mar 2026 496th GolfingSuccess 🇬🇷 822 85 3ms 14 Jan 2026 496th solisolu 822 85 4ms 16 days ago 498th Shanethegamer 🇺🇸 821 87 42ms 15 Apr 2025 499th Steffan153 🇫🇮 821 110 28ms 26 Mar 2026 499th edsrzf 🇳🇿 821 110 30ms 26 Mar 2026 First Prev 401–500 of 702 Next Last