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) 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 561st madex 🇩🇪 583 48 228ms 16 days ago 562nd not-a-pokemon 583 119 15ms 17 days ago 563rd albanian-laundromat 🇺🇸 583 150 28ms 21 days ago 564th CaedenHarper 🇨🇦 578 129 452ms 21 days ago 565th retrohun 568 62 5ms 5 days ago 566th madex 🇩🇪 568 182 7ms 14 days ago 567th madex 🇩🇪 558 121 366ms 14 days ago 568th JOrE20 550 159 69ms 14 Feb 2026 569th snoozingnewt 🇨🇦 540 116 113ms 8 days ago 570th snydej 534 99 45ms 22 Nov 2024 571st Alex-x90 🇺🇸 526 132 5ms a min ago 572nd emgordon154 524 150 15ms 9 May 2025 573rd madex 🇩🇪 504 112 1,333ms 14 days ago 574th jusaka 500 34 5ms 2 days ago 575th KrausRaus 🇺🇸 494 83 17ms 15 days ago 576th albanian-laundromat 🇺🇸 491 57 272ms 19 days ago 577th MeWhenI 🇻🇦 475 83 1,079ms 5 days ago 578th HumanoidCPU 474 59 255ms 13 days ago 579th dokutan 472 158 73ms 16 days ago 580th madex 🇩🇪 471 85 70ms 14 days ago 581st CaedenHarper 🇨🇦 450 89 101ms 20 days ago 582nd madex 🇩🇪 443 204 32ms 14 days ago 583rd kasarino 442 157 12ms 17 days ago 584th RYSF13 🇨🇳 413 168 13ms 25 Jun 2025 585th emplv 🇱🇻 405 216 65ms 6 days ago 586th HumanoidCPU 372 200 421ms 16 days ago 587th Msleizak 🇫🇷 318 88 412ms 12 days ago 588th JOrE20 196 381 2,566ms 29 Dec 2025 589th CaedenHarper 🇨🇦 61 853 550ms 20 days ago 590th namelessiw 0 5 160ms 13 Oct 2025 590th Shanethegamer 🇺🇸 0 5 193ms 20 Oct 2025 590th GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 593rd GolfingSuccess 🇬🇷 0 6 266ms 14 May 2025 593rd kg583 🇺🇸 0 6 262ms 14 May 2025 593rd JOrE20 0 6 275ms 27 Feb 2026 596th Natanaelel 🇸🇪 0 7 59ms 2 May 2025 596th 2bular 0 7 55ms 2 May 2025 596th Shanethegamer 🇺🇸 0 7 57ms 30 May 2025 596th darrenks 🇺🇸 0 7 58ms 18 days ago 596th plcc0 0 7 58ms 17 days ago 601st ovs-code 🇩🇪 0 8 55ms 12 Oct 2025 602nd themoonisacheese 0 10 1,011ms 12 days ago 603rd GolfingSuccess 🇬🇷 0 13 158ms 8 May 2025 603rd Shanethegamer 🇺🇸 0 13 148ms 30 May 2025 605th Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 606th KatieLG 🇬🇧 0 31 17ms 15 days ago 607th GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 608th ovs-code 🇩🇪 0 42 78ms 30 May 2025 609th GolfingSuccess 🇬🇷 0 45 78ms 14 May 2025 610th Shanethegamer 🇺🇸 0 56 66ms 30 Apr 2025 610th GolfingSuccess 🇬🇷 0 56 70ms 8 May 2025 610th sean-niemann 🇺🇸 0 56 67ms 8 May 2025 613th Matter1024 🇮🇳 0 57 68ms 13 Feb 2026 614th GolfingSuccess 🇬🇷 0 59 72ms 8 May 2025 615th madex 🇩🇪 0 62 1,125ms 16 days ago 616th dokutan 0 64 81ms 8 Feb 2026 617th GolfingSuccess 🇬🇷 0 67 12ms 8 May 2025 618th GolfingSuccess 🇬🇷 0 73 7ms 17 days ago 619th fuzzylojik-golf 🇺🇸 0 76 7ms 13 days ago 620th GolfingSuccess 🇬🇷 0 82 17ms 16 days ago 621st edsrzf 🇳🇿 0 93 187ms 17 May 2025 622nd GolfingSuccess 🇬🇷 0 96 182ms 7 May 2025 623rd Matter1024 🇮🇳 0 99 11ms 4 hours ago 624th GolfingSuccess 🇬🇷 0 117 8ms 25 Dec 2025 625th GolfingSuccess 🇬🇷 0 138 271ms 8 May 2025 First Prev 561–625 of 625
