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 CaedenHarper 🇨🇦 751 93 12ms 26 days ago 562nd HumanoidCPU 749 96 163ms 22 days ago 563rd HumanoidCPU 743 103 329ms 21 days ago 564th GolfingSuccess 🇬🇷 742 48 5ms 20 days ago 565th KatieLG 🇬🇧 740 62 419ms 23 days ago 565th madex 🇩🇪 740 62 448ms 20 days ago 565th flekAI 740 62 393ms 4 days ago 565th jusaka 740 62 405ms 12 hours ago 569th dokutan 740 100 19ms 22 days ago 570th retrohun 733 55 375ms 10 days ago 571st DialFrost 🇸🇬 730 61 755ms 3 days ago 572nd madex 🇩🇪 729 54 10ms 20 days ago 573rd jusaka 723 215 1,713ms 25 hours ago 574th DialFrost 🇸🇬 722 88 101ms 18 days ago 575th madex 🇩🇪 721 106 334ms 19 days ago 576th DialFrost 🇸🇬 720 56 2,639ms 16 Dec 2025 577th denkyuu1 715 55 9ms 2 days ago 578th ovs-code 🇩🇪 715 237 107ms 21 days ago 579th flekAI 711 101 170ms 3 days ago 580th JOrE20 708 24 91ms 13 Feb 2026 581st Shanethegamer 🇺🇸 708 84 474ms 26 Nov 2024 581st dokutan 708 84 420ms 20 days ago 583rd dokutan 705 99 12ms 20 days ago 584th HumanoidCPU 699 85 451ms 21 days ago 585th Shanethegamer 🇺🇸 698 51 4ms 30 Apr 2025 585th albanian-laundromat 🇺🇸 698 51 5ms 22 days ago 587th madex 🇩🇪 698 130 350ms 19 days ago 588th GolfingSuccess 🇬🇷 697 73 16ms 8 May 2025 589th GolfingSuccess 🇬🇷 695 58 4,193ms 8 May 2025 590th Jonson26 689 112 395ms 6 days ago 591st HumanoidCPU 679 97 7ms 20 days ago 592nd madex 🇩🇪 678 104 210ms 20 days ago 593rd HumanoidCPU 677 101 361ms 21 days ago 594th Shanethegamer 🇺🇸 672 98 7ms 6 May 2025 595th Natanaelel 🇸🇪 672 130 360ms 2 May 2025 596th janAkali 🇷🇺 670 102 399ms 15 days ago 597th jusaka 668 43 122ms 23 hours ago 598th flekAI 668 136 295ms 3 days ago 599th flekAI 667 59 6ms 4 days ago 600th plcc0 654 26 6ms 21 days ago 601st GolfingSuccess 🇬🇷 650 111 109ms 21 days ago 602nd dokutan 649 140 316ms 19 days ago 603rd HumanoidCPU 647 108 13ms 20 days ago 604th Shanethegamer 🇺🇸 643 136 315ms 26 Nov 2024 605th BREMAUCY 🇫🇷 640 40 4ms 14 days ago 606th jusaka 638 121 399ms 29 hours ago 607th Natanaelel 🇸🇪 630 27 6ms 8 May 2025 608th jusaka 630 86 46ms 21 hours ago 609th madex 🇩🇪 627 118 17ms 19 days ago 610th flekAI 625 46 113ms 4 days ago 611th flekAI 625 59 1,297ms 3 days ago 612th emgordon154 623 71 32ms 18 days ago 613th Alex-x90 🇺🇸 613 114 4ms 4 days ago 614th Shanethegamer 🇺🇸 611 46 259ms 26 Nov 2024 615th flekAI 610 51 39ms 3 days ago 616th HumanoidCPU 603 59 278ms 16 days ago 617th flekAI 601 74 869ms 3 days ago 618th jusaka 599 89 2,375ms 27 hours ago 619th prestosilver 🇺🇸 594 115 411ms 23 days ago 620th madex 🇩🇪 593 130 345ms 20 days ago 621st albanian-laundromat 🇺🇸 591 150 28ms 25 days ago 622nd snydej 590 99 45ms 22 Nov 2024 623rd not-a-pokemon 587 119 15ms 22 days ago 624th madex 🇩🇪 586 48 310ms 20 days ago 625th CaedenHarper 🇨🇦 582 129 452ms 26 days ago 626th dokutan 577 114 7ms a min ago 627th flekAI 576 115 705ms 3 days ago 628th retrohun 574 62 5ms 9 days ago 629th flekAI 573 123 223ms 3 days ago 630th madex 🇩🇪 565 121 366ms 19 days ago 631st jusaka 562 136 355ms 26 hours ago 632nd JOrE20 557 159 69ms 14 Feb 2026 633rd flekAI 550 109 117ms 3 days ago 634th madex 🇩🇪 550 182 7ms 19 days ago 635th snoozingnewt 🇨🇦 548 116 113ms 13 days ago 636th flekAI 547 141 350ms 3 days ago 637th flekAI 539 142 345ms 3 days ago 638th flekAI 531 89 182ms 3 days ago 639th caleblin125 531 110 22ms 2 days ago 640th jusaka 526 126 110ms 27 hours ago First Prev 561–640 of 775 Next Last