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 flekAI 663 59 7ms 22 hours ago 562nd plcc0 654 26 6ms 18 days ago 563rd HumanoidCPU 645 108 13ms 17 days ago 564th dokutan 645 140 316ms 16 days ago 565th albanian-laundromat 🇺🇸 643 99 343ms 22 days ago 566th GolfingSuccess 🇬🇷 643 111 109ms 18 days ago 567th BREMAUCY 🇫🇷 639 40 4ms 11 days ago 568th Shanethegamer 🇺🇸 635 136 315ms 26 Nov 2024 569th Natanaelel 🇸🇪 630 27 6ms 8 May 2025 570th FlorianCassayre 🇫🇷 629 84 19ms 32 hours ago 571st madex 🇩🇪 624 118 17ms 15 days ago 572nd flekAI 623 59 1,297ms 18 hours ago 573rd HumanoidCPU 618 103 329ms 18 days ago 574th emgordon154 617 71 32ms 15 days ago 575th Alex-x90 🇺🇸 611 114 4ms 30 hours ago 576th Shanethegamer 🇺🇸 610 46 279ms 26 Nov 2024 577th flekAI 610 51 44ms 16 hours ago 578th flekAI 605 46 113ms 22 hours ago 579th HumanoidCPU 602 59 278ms 13 days ago 580th madex 🇩🇪 601 106 334ms 15 days ago 581st flekAI 597 74 869ms 18 hours ago 582nd madex 🇩🇪 593 130 345ms 17 days ago 583rd prestosilver 🇺🇸 592 115 411ms 20 days ago 584th albanian-laundromat 🇺🇸 587 150 28ms 22 days ago 585th scpchicken 🇵🇼 586 29 7ms 8 days ago 586th not-a-pokemon 586 119 15ms 19 days ago 587th madex 🇩🇪 585 48 228ms 17 days ago 588th CaedenHarper 🇨🇦 580 129 452ms 22 days ago 589th retrohun 573 62 5ms 6 days ago 590th madex 🇩🇪 573 182 7ms 15 days ago 591st flekAI 572 115 705ms 18 hours ago 592nd flekAI 569 123 223ms 18 hours ago 593rd madex 🇩🇪 563 121 366ms 15 days ago 594th JOrE20 554 159 69ms 14 Feb 2026 595th flekAI 546 109 117ms 18 hours ago 596th flekAI 546 141 350ms 18 hours ago 597th snoozingnewt 🇨🇦 544 116 113ms 10 days ago 598th snydej 534 99 45ms 22 Nov 2024 599th emgordon154 529 150 15ms 9 May 2025 600th ComradeSquirrel 524 133 15ms 16 hours ago 601st madex 🇩🇪 507 112 1,333ms 15 days ago 602nd flekAI 502 89 182ms 16 hours ago 603rd KrausRaus 🇺🇸 495 83 17ms 17 days ago 604th albanian-laundromat 🇺🇸 492 57 272ms 21 days ago 605th HumanoidCPU 476 59 255ms 14 days ago 606th MeWhenI 🇻🇦 475 83 1,079ms 7 days ago 607th madex 🇩🇪 473 85 70ms 15 days ago 608th dokutan 473 158 73ms 17 days ago 609th CaedenHarper 🇨🇦 452 89 101ms 21 days ago 610th flekAI 448 142 345ms 18 hours ago 611th kasarino 444 157 12ms 18 days ago 612th madex 🇩🇪 443 204 32ms 15 days ago 613th RYSF13 🇨🇳 415 168 13ms 25 Jun 2025 614th flekAI 414 178 18ms 15 hours ago 615th emplv 🇱🇻 408 216 65ms 7 days ago 616th flekAI 406 146 473ms 18 hours ago 617th flekAI 403 141 1,463ms 18 hours ago 618th HumanoidCPU 374 200 421ms 17 days ago 619th flekAI 339 308 7ms 15 hours ago 620th flekAI 329 207 45ms 16 hours ago 621st Msleizak 🇫🇷 319 88 412ms 14 days ago 622nd flekAI 315 216 380ms 18 hours ago 623rd flekAI 312 282 31ms 15 hours ago 624th kasarino 307 175 56ms 27 hours ago 625th flekAI 289 97 446ms 18 hours ago 626th flekAI 288 227 7ms 16 hours ago 627th flekAI 270 234 116ms 16 hours ago 628th flekAI 259 155 83ms 18 hours ago 629th flekAI 252 315 17ms 18 hours ago 630th flekAI 250 279 4ms 18 hours ago 631st flekAI 229 327 453ms 18 hours ago 632nd flekAI 221 161 5ms 16 hours ago 633rd flekAI 213 338 54ms 16 hours ago 634th JOrE20 196 381 2,566ms 29 Dec 2025 635th flekAI 176 287 198ms 15 hours ago 636th CaedenHarper 🇨🇦 61 853 550ms 21 days ago 637th namelessiw 0 5 160ms 13 Oct 2025 637th Shanethegamer 🇺🇸 0 5 193ms 20 Oct 2025 637th GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 640th GolfingSuccess 🇬🇷 0 6 266ms 14 May 2025 First Prev 561–640 of 672 Next Last