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 Shanethegamer 🇺🇸 635 136 315ms 26 Nov 2024 562nd Natanaelel 🇸🇪 630 27 6ms 8 May 2025 563rd FlorianCassayre 🇫🇷 629 84 19ms 20 hours ago 564th madex 🇩🇪 624 118 17ms 15 days ago 565th flekAI 623 59 1,297ms 6 hours ago 566th HumanoidCPU 618 103 329ms 18 days ago 567th emgordon154 617 71 32ms 14 days ago 568th Alex-x90 🇺🇸 611 114 4ms 19 hours ago 569th Shanethegamer 🇺🇸 609 46 279ms 26 Nov 2024 570th flekAI 609 51 44ms 5 hours ago 571st flekAI 605 46 113ms 10 hours ago 572nd HumanoidCPU 602 59 278ms 12 days ago 573rd madex 🇩🇪 601 106 334ms 15 days ago 574th flekAI 597 74 869ms 6 hours ago 575th madex 🇩🇪 593 130 345ms 16 days ago 576th prestosilver 🇺🇸 590 115 411ms 19 days ago 577th albanian-laundromat 🇺🇸 587 150 28ms 22 days ago 578th scpchicken 🇵🇼 586 29 7ms 8 days ago 579th not-a-pokemon 586 119 15ms 18 days ago 580th madex 🇩🇪 584 48 228ms 16 days ago 581st CaedenHarper 🇨🇦 580 129 452ms 22 days ago 582nd retrohun 573 62 5ms 6 days ago 583rd madex 🇩🇪 573 182 7ms 15 days ago 584th flekAI 572 115 705ms 6 hours ago 585th flekAI 569 123 223ms 6 hours ago 586th madex 🇩🇪 561 121 366ms 15 days ago 587th JOrE20 554 159 69ms 14 Feb 2026 588th flekAI 546 109 117ms 6 hours ago 589th flekAI 546 141 350ms 6 hours ago 590th snoozingnewt 🇨🇦 544 116 113ms 9 days ago 591st snydej 534 99 45ms 22 Nov 2024 592nd emgordon154 529 150 15ms 9 May 2025 593rd ComradeSquirrel 524 133 15ms 5 hours ago 594th madex 🇩🇪 507 112 1,333ms 15 days ago 595th flekAI 502 89 182ms 5 hours ago 596th KrausRaus 🇺🇸 495 83 17ms 16 days ago 597th albanian-laundromat 🇺🇸 492 57 272ms 20 days ago 598th HumanoidCPU 475 59 255ms 13 days ago 599th MeWhenI 🇻🇦 475 83 1,079ms 6 days ago 600th madex 🇩🇪 473 85 70ms 15 days ago 601st dokutan 473 158 73ms 16 days ago 602nd CaedenHarper 🇨🇦 452 89 101ms 21 days ago 603rd flekAI 448 142 345ms 6 hours ago 604th kasarino 444 157 12ms 18 days ago 605th madex 🇩🇪 443 204 32ms 15 days ago 606th RYSF13 🇨🇳 415 168 13ms 25 Jun 2025 607th flekAI 414 178 18ms 3 hours ago 608th emplv 🇱🇻 408 216 65ms 7 days ago 609th flekAI 406 146 473ms 6 hours ago 610th flekAI 403 141 1,463ms 6 hours ago 611th HumanoidCPU 374 200 421ms 17 days ago 612th flekAI 339 308 7ms 3 hours ago 613th flekAI 329 207 45ms 5 hours ago 614th Msleizak 🇫🇷 319 88 412ms 13 days ago 615th flekAI 314 216 380ms 6 hours ago 616th flekAI 312 282 31ms 3 hours ago 617th kasarino 307 175 56ms 15 hours ago 618th flekAI 289 97 446ms 6 hours ago 619th flekAI 288 227 7ms 5 hours ago 620th flekAI 270 234 116ms 5 hours ago 621st flekAI 259 155 83ms 6 hours ago 622nd flekAI 252 315 17ms 6 hours ago 623rd flekAI 250 279 4ms 6 hours ago 624th flekAI 229 327 453ms 6 hours ago 625th flekAI 221 161 5ms 5 hours ago 626th flekAI 213 338 54ms 5 hours ago 627th JOrE20 196 381 2,566ms 29 Dec 2025 628th flekAI 176 287 198ms 3 hours ago 629th CaedenHarper 🇨🇦 61 853 550ms 21 days ago 630th namelessiw 0 5 160ms 13 Oct 2025 630th Shanethegamer 🇺🇸 0 5 193ms 20 Oct 2025 630th GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 633rd GolfingSuccess 🇬🇷 0 6 266ms 14 May 2025 633rd kg583 🇺🇸 0 6 262ms 14 May 2025 633rd JOrE20 0 6 275ms 27 Feb 2026 636th Natanaelel 🇸🇪 0 7 59ms 2 May 2025 636th 2bular 0 7 55ms 2 May 2025 636th Shanethegamer 🇺🇸 0 7 57ms 30 May 2025 636th darrenks 🇺🇸 0 7 58ms 19 days ago 636th plcc0 0 7 58ms 17 days ago First Prev 561–640 of 665 Next Last