Gray Code Encoder in all languages in bytes. 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 Bytes Time Submitted 561st dokutan 740 100 19ms 21 days ago 562nd KatieLG 🇬🇧 739 62 419ms 22 days ago 562nd madex 🇩🇪 739 62 448ms 19 days ago 562nd flekAI 739 62 393ms 3 days ago 565th retrohun 733 55 375ms 9 days ago 566th DialFrost 🇸🇬 730 61 755ms 2 days ago 567th madex 🇩🇪 729 54 11ms 19 days ago 568th DialFrost 🇸🇬 722 88 101ms 17 days ago 569th madex 🇩🇪 721 106 334ms 18 days ago 570th DialFrost 🇸🇬 720 56 2,639ms 16 Dec 2025 571st denkyuu1 715 55 9ms 29 hours ago 572nd ovs-code 🇩🇪 715 237 107ms 20 days ago 573rd flekAI 711 101 170ms 2 days ago 574th JOrE20 708 24 91ms 13 Feb 2026 575th Shanethegamer 🇺🇸 708 84 416ms 26 Nov 2024 575th dokutan 708 84 382ms 19 days ago 577th dokutan 705 99 12ms 19 days ago 578th HumanoidCPU 699 85 427ms 20 days ago 579th madex 🇩🇪 698 130 350ms 18 days ago 580th Shanethegamer 🇺🇸 696 51 4ms 30 Apr 2025 580th albanian-laundromat 🇺🇸 696 51 5ms 21 days ago 582nd GolfingSuccess 🇬🇷 695 58 4,193ms 8 May 2025 583rd jusaka 694 215 1,713ms 77 mins ago 584th Jonson26 689 112 395ms 5 days ago 585th GolfingSuccess 🇬🇷 688 73 16ms 8 May 2025 586th madex 🇩🇪 678 104 210ms 19 days ago 587th HumanoidCPU 677 101 361ms 20 days ago 588th HumanoidCPU 676 97 7ms 19 days ago 589th janAkali 🇷🇺 670 102 399ms 14 days ago 590th Shanethegamer 🇺🇸 669 98 7ms 6 May 2025 591st Natanaelel 🇸🇪 669 130 360ms 2 May 2025 592nd jusaka 668 43 122ms 4 mins ago 593rd flekAI 668 136 295ms 2 days ago 594th flekAI 667 59 7ms 3 days ago 595th plcc0 654 26 6ms 20 days ago 596th dokutan 649 140 316ms 18 days ago 597th HumanoidCPU 647 108 13ms 19 days ago 598th GolfingSuccess 🇬🇷 643 111 109ms 20 days ago 599th BREMAUCY 🇫🇷 640 40 4ms 13 days ago 600th Shanethegamer 🇺🇸 639 136 315ms 26 Nov 2024 601st jusaka 638 121 399ms 5 hours ago 602nd Natanaelel 🇸🇪 630 27 6ms 8 May 2025 603rd madex 🇩🇪 627 118 17ms 18 days ago 604th flekAI 625 46 113ms 3 days ago 605th flekAI 625 59 1,297ms 2 days ago 606th emgordon154 617 71 32ms 17 days ago 607th Alex-x90 🇺🇸 613 114 4ms 3 days ago 608th Shanethegamer 🇺🇸 610 46 279ms 26 Nov 2024 609th flekAI 610 51 44ms 2 days ago 610th HumanoidCPU 602 59 278ms 15 days ago 611th flekAI 601 74 869ms 2 days ago 612th jusaka 599 89 2,375ms 3 hours ago 613th prestosilver 🇺🇸 594 115 411ms 22 days ago 614th madex 🇩🇪 593 130 345ms 19 days ago 615th albanian-laundromat 🇺🇸 591 150 28ms 24 days ago 616th snydej 590 99 45ms 22 Nov 2024 617th not-a-pokemon 587 119 15ms 21 days ago 618th madex 🇩🇪 585 48 228ms 19 days ago 619th CaedenHarper 🇨🇦 582 129 452ms 25 days ago 620th flekAI 576 115 705ms 2 days ago 621st retrohun 573 62 5ms 9 days ago 622nd flekAI 573 123 223ms 2 days ago 623rd madex 🇩🇪 565 121 366ms 18 days ago 624th jusaka 562 136 410ms 3 hours ago 625th JOrE20 557 159 69ms 14 Feb 2026 626th flekAI 550 109 117ms 2 days ago 627th madex 🇩🇪 550 182 7ms 18 days ago 628th snoozingnewt 🇨🇦 548 116 113ms 12 days ago 629th flekAI 547 141 350ms 2 days ago 630th flekAI 539 142 345ms 2 days ago 631st flekAI 531 89 182ms 2 days ago 632nd caleblin125 531 110 22ms 26 hours ago 633rd jusaka 526 126 110ms 3 hours ago 634th ComradeSquirrel 525 133 15ms 2 days ago 635th jusaka 519 175 307ms 3 hours ago 636th jusaka 514 121 17ms 6 mins ago 637th emgordon154 512 150 15ms 9 May 2025 638th madex 🇩🇪 509 112 1,473ms 18 days ago 639th jusaka 505 73 1,350ms 2 hours ago 640th jusaka 500 148 20ms 2 hours ago First Prev 561–640 of 736 Next Last