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 HumanoidCPU 743 103 329ms 21 days ago 562nd GolfingSuccess 🇬🇷 742 48 5ms 20 days ago 563rd KatieLG 🇬🇧 740 62 419ms 23 days ago 563rd madex 🇩🇪 740 62 448ms 20 days ago 563rd flekAI 740 62 393ms 4 days ago 563rd jusaka 740 62 405ms 9 hours ago 567th dokutan 740 100 19ms 22 days ago 568th retrohun 733 55 375ms 9 days ago 569th DialFrost 🇸🇬 730 61 755ms 3 days ago 570th madex 🇩🇪 729 54 10ms 20 days ago 571st DialFrost 🇸🇬 722 88 101ms 18 days ago 572nd madex 🇩🇪 721 106 334ms 18 days ago 573rd DialFrost 🇸🇬 720 56 2,639ms 16 Dec 2025 574th denkyuu1 715 55 9ms 2 days ago 575th ovs-code 🇩🇪 715 237 107ms 21 days ago 576th flekAI 711 101 170ms 3 days ago 577th JOrE20 708 24 91ms 13 Feb 2026 578th Shanethegamer 🇺🇸 708 84 474ms 26 Nov 2024 578th dokutan 708 84 420ms 20 days ago 580th jusaka 706 215 1,713ms 21 hours ago 581st dokutan 705 99 12ms 20 days ago 582nd HumanoidCPU 699 85 451ms 21 days ago 583rd Shanethegamer 🇺🇸 698 51 4ms 30 Apr 2025 583rd albanian-laundromat 🇺🇸 698 51 5ms 22 days ago 585th madex 🇩🇪 698 130 350ms 19 days ago 586th GolfingSuccess 🇬🇷 697 73 16ms 8 May 2025 587th GolfingSuccess 🇬🇷 695 58 4,193ms 8 May 2025 588th Jonson26 689 112 395ms 6 days ago 589th madex 🇩🇪 678 104 210ms 20 days ago 590th HumanoidCPU 677 101 361ms 21 days ago 591st HumanoidCPU 676 97 7ms 20 days ago 592nd Natanaelel 🇸🇪 672 130 360ms 2 May 2025 593rd janAkali 🇷🇺 670 102 399ms 15 days ago 594th Shanethegamer 🇺🇸 669 98 7ms 6 May 2025 595th jusaka 668 43 122ms 20 hours ago 596th flekAI 668 136 295ms 3 days ago 597th flekAI 667 59 6ms 3 days ago 598th plcc0 654 26 6ms 21 days ago 599th GolfingSuccess 🇬🇷 650 111 109ms 21 days ago 600th dokutan 649 140 316ms 19 days ago 601st HumanoidCPU 647 108 13ms 20 days ago 602nd Shanethegamer 🇺🇸 643 136 315ms 26 Nov 2024 603rd BREMAUCY 🇫🇷 640 40 4ms 14 days ago 604th jusaka 638 121 399ms 26 hours ago 605th Natanaelel 🇸🇪 630 27 6ms 8 May 2025 606th jusaka 630 86 46ms 18 hours ago 607th madex 🇩🇪 627 118 17ms 18 days ago 608th flekAI 625 46 113ms 4 days ago 609th flekAI 625 59 1,297ms 3 days ago 610th emgordon154 623 71 32ms 18 days ago 611th Alex-x90 🇺🇸 613 114 4ms 4 days ago 612th Shanethegamer 🇺🇸 611 46 259ms 26 Nov 2024 613th flekAI 610 51 39ms 3 days ago 614th HumanoidCPU 603 59 278ms 16 days ago 615th flekAI 601 74 869ms 3 days ago 616th jusaka 599 89 2,375ms 24 hours ago 617th prestosilver 🇺🇸 594 115 411ms 23 days ago 618th madex 🇩🇪 593 130 345ms 20 days ago 619th albanian-laundromat 🇺🇸 591 150 28ms 25 days ago 620th snydej 590 99 45ms 22 Nov 2024 621st not-a-pokemon 587 119 15ms 22 days ago 622nd madex 🇩🇪 586 48 310ms 20 days ago 623rd CaedenHarper 🇨🇦 582 129 452ms 25 days ago 624th flekAI 576 115 705ms 3 days ago 625th retrohun 574 62 5ms 9 days ago 626th flekAI 573 123 223ms 3 days ago 627th madex 🇩🇪 565 121 366ms 18 days ago 628th jusaka 562 136 355ms 23 hours ago 629th JOrE20 557 159 69ms 14 Feb 2026 630th flekAI 550 109 117ms 3 days ago 631st madex 🇩🇪 550 182 7ms 18 days ago 632nd snoozingnewt 🇨🇦 548 116 113ms 13 days ago 633rd flekAI 547 141 350ms 3 days ago 634th flekAI 539 142 345ms 3 days ago 635th flekAI 531 89 182ms 3 days ago 636th caleblin125 531 110 22ms 46 hours ago 637th jusaka 526 126 110ms 23 hours ago 638th ComradeSquirrel 525 133 15ms 3 days ago 639th jusaka 519 175 307ms 24 hours ago 640th emgordon154 516 150 15ms 9 May 2025 First Prev 561–640 of 772 Next Last